Knick Stratos Multi E401X User Manual

Industrial transmitter
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Stratos Multi E401X
Industrial Transmitter
I
II
7.00
pH
25.3
°C
Menu
µS
0.154
cm
25.3
°C
Favorites Menu
www.knick-international.com

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  • Page 1 Stratos Multi E401X User Manual Industrial Transmitter µS 7.00 0.154 25.3 25.3 °C °C Favorites Menu Menu Read before installation. www.knick-international.com Keep for future use.
  • Page 2: Supplemental Directives

    Stratos Multi E401X Supplemental Directives READ AND SAVE THIS DOCUMENT FOR FUTURE REFERENCE. BEFORE ATTEMPTING TO ASSEMBLE, INSTALL, OPERATE OR MAINTAIN THE PRODUCT, PLEASE ENSURE A COMPLETE UNDERSTANDING OF THE INSTRUC- TIONS AND RISKS DESCRIBED HEREIN. ALWAYS OBSERVE ALL SAFETY INFORMATION. FAILURE TO COMPLY WITH INSTRUCTIONS IN THIS DOCUMENT COULD RESULT IN SERIOUS INJURY AND/OR PROPERTY DAMAGE.
  • Page 3: Table Of Contents

    Stratos Multi E401X Table of Contents 1 Safety............................. 1.1 Intended Use ................................. 1.2 Personnel Requirements ........................... 1.3 Safety Training ..............................1.4 Residual Risks ................................ 10 1.5 Installation and Commissioning........................10 1.6 Operation................................11 1.6.1 Operation in Hazardous Locations....................11 1.7 Accessories ................................12 2 Product ............................
  • Page 4 Stratos Multi E401X 5 Operation and Use........................38 5.1 Changing the User Interface Language....................... 38 5.2 Display and Keypad............................. 38 5.3 Menu Structure Overview..........................41 5.4 Access Control............................... 41 5.5 Operating States..............................41 5.6 Measurement Display............................42 6 Parameter Setting ........................43 6.1 Operating Levels ..............................
  • Page 5 Stratos Multi E401X 6.10 Conductivity (Contacting) Process Variable ....................81 6.10.1 Input Filter..............................82 6.10.2 Sensor Data .............................. 84 6.10.3 Calibration Presettings ......................... 86 6.10.4 Temperature Compensation of Process Medium ............... 86 6.10.5 Concentration (TAN Option FW-E009).................... 87 6.10.6 TDS Function............................87 6.10.7 USP Function............................
  • Page 6 Stratos Multi E401X 7.4.5 Calibration Mode: Manual........................120 7.4.6 Calibration Mode: Product........................121 7.4.7 Calibration Mode: Data Entry......................123 7.4.8 Calibration Mode: Temperature ......................123 7.5 Conductivity (Inductive) Process Variable Calibration/Adjustment ..........124 7.5.1 Explanations Regarding Calibration/Adjustment with Toroidal Sensors......124 7.5.2 Temperature Compensation during Calibration.................
  • Page 7 Stratos Multi E401X 9.3 Manual Function Test ............................150 9.3.1 Current Source............................150 9.3.2 Relay Test ..............................150 9.3.3 Controller Test ............................150 10 Maintenance ..........................151 11 Troubleshooting ...........................152 11.1 Failure Conditions ..............................152 11.2 Messages................................. 153 11.3 Sensocheck and Sensoface ..........................176 12 Decommissioning.........................179...
  • Page 8 Stratos Multi E401X 15.8 Measurement Functions............................ 208 15.8.1 pH................................. 208 15.8.2 Conductivity (Contacting)........................210 15.8.3 Conductivity (Inductive) ........................211 15.8.4 Conductivity (Dual)..........................212 15.8.5 Temperature Compensation (Conductivity)................. 212 15.8.6 Concentration Determination, Conductivity (TAN Option FW-E009) ......... 212 15.8.7 Oxygen............................... 213 15.9 Diagnostics and Statistics ..........................
  • Page 9: Safety

    1.1 Intended Use Stratos Multi E401X (hereinafter called “device” or “product”) is an industrial transmitter in 4-wire tech- nology for installation in hazardous locations up to Zone 2. Up to two separately certified Ex sensors can be connected and operated in Zone 0 at the same time.
  • Page 10: Residual Risks

    Stratos Multi E401X 1.4 Residual Risks The product has been developed and manufactured in accordance with generally accepted safety rules and regulations. The following residual risks remain: • Ambient conditions with chemically corrosive substances may prevent the system from working properly.
  • Page 11: Operation

    When switched on, the device must not be opened during operation in Zone 2 hazardous locations. Configuration Replacing components may affect intrinsic safety. Stratos Multi E401X may only be equipped with type MK‑***X modules and a type ZU1080‑S‑X*** memory card.
  • Page 12: Accessories

    Stratos Multi E401X 1.7 Accessories Ex Memory Card The ZU1080-S-X-*** memory card is an accessory for use in Ex Zone 2. Before inserting or removing the ZU1080-S-X-*** memory card, make sure that the device has been disconnected from the power.
  • Page 13: Product

    Stratos Multi E401X 2 Product 2.1 Package Contents and Product Identification • Stratos Multi basic unit (front unit and rear unit) • Bag containing small accessory parts (2x plastic sealing plugs, 1x hinge pin, 1x plate for conduits, 2x insertable jumpers, 1x reduction sealing insert, 1x multiple sealing insert, 2x blanking plugs, 5x cable glands, and M20x1.5 hexagon nuts)
  • Page 14: Nameplate

    Stratos Multi E401X 2.1.1 Nameplate 1 Manufacturer 8 Ex approval for China 2 Product name 9 Class II 3 ATEX and IECEx marking, lists hazardous 10 Power supply rating data location and Control Drawing number 4 FM approval for USA and Canada 11 Warning for the hazardous location indicating that the device may only be opened in the deactivated state.
  • Page 15: Design And Function

    Stratos Multi E401X 2.3 Design and Function Basic Variant 1 measuring channel for a Memosens sensor or digital, optical oxygen sensor 2 current outputs Door contact 3 freely assignable relay contacts for NAMUR messages (Failure, Maintenance Required, Out of Specification, Function Check), set-point alarm relay,...
  • Page 16: Product Line

    Stratos Multi E401X 2.4 Product Line Device (Digital Basic Unit) Control Drawing Order No. Stratos E401X 212.502-100 E401X Measuring Modules, Ex pH value, ORP measurement 212.002-110 MK-PH015X Oxygen measurement 212.002-120 MK-OXY045X Contacting conductivity measurement 212.002-130 MK-COND025X Inductive conductivity measurement 212.002-140...
  • Page 17: System Overview

    Stratos Multi E401X 2.5 System Overview 1 Input for Memosens sensor 6 Current outputs 2/3/4: Active (current outputs 3 and 4: TAN option FW‑E052) 2 Port for an analog MK module or Memosens via 7 Relay contact K1: Messages, limits, rinse contact, ...
  • Page 18: Typical Applications

    Stratos Multi E401X 2.5.1 Typical Applications Memosens pH Measurement and PID Control MS pH Analog pH Alarm Acid Brine PID control Alarm 24 V  AC/DC Acid Brine...
  • Page 19 Stratos Multi E401X Memosens Oxygen Measurement and Pressure Correction with External Pressure Transmitter (with TAN Option FW-E051 “Current Input”) e.g., +24 V Pressure Transmitter...
  • Page 20: Installation

    Stratos Multi E401X 3 Installation 3.1 Enclosure Mounting Options Knockouts in the rear unit enable different mounting options: • Wall mounting Dimension Drawings, p. 22 ➜ • Pipe mounting Pipe-Mount Kit ZU0274, p. 24 ➜ • Panel mounting Panel-Mount Kit ZU0738, p. 26 ➜...
  • Page 21 Stratos Multi E401X Install the cable glands from the bag containing small accessory parts in the rear unit. Package Contents and Product Identification, p. 13 ➜ Blanking Plugs, Reduction Sealing Inserts, Multiple Sealing Inserts, p. 27 ➜ Guide the required cables through.
  • Page 22: Dimension Drawings

    Stratos Multi E401X 3.3 Dimension Drawings 3.3.1 Wall Mounting Note: All dimensions are listed in millimeters [inches]. 80 [3.15] 148 [5.83] 34 [1.34] 29 [1.14] 90 [3.54] 121,4 [4.78] 8,5 [0.33] 131 [5.16] 115,5 [4.55] 39,5 [1.56] 42 [1.65] 42 [1.65]...
  • Page 23: Mounting Clearance

    Stratos Multi E401X Mounting Clearance [4.33] [4.33] There is a 100 mm hinge pin in the bag containing small accessory parts included in the package con- tents Package Contents and Product Identification, p. 13. The hinge pin connects the front and rear ➜...
  • Page 24: Pipe-Mount Kit Zu0274

    Stratos Multi E401X 3.3.2 Pipe-Mount Kit ZU0274 Note: All dimensions are listed in millimeters [inches]. Pipe dimensions: Diameter 40 … 60 mm [1.57 … 2.36″] or edge length 30 … 45 mm [1.18 … 1.77″] 40 [1.57] ... 60 [2.36]   1 For either vertical or horizontal posts or pipes 3 Hose clamp with worm gear drive according to DIN 3017, 2x...
  • Page 25: Protective Hood For Wall And Pipe Mounting Zu0737/Zu1176

    Stratos Multi E401X 3.3.3 Protective Hood for Wall and Pipe Mounting ZU0737/ZU1176 ZU0737: Stainless steel A2 ZU1176: Stainless steel 1.4401 Note: Use only for wall or pipe mounting Note: All dimensions are listed in millimeters [inches]. Wall Mounting 147 [5.78]...
  • Page 26: Panel-Mount Kit Zu0738

    Stratos Multi E401X 3.3.4 Panel-Mount Kit ZU0738 Note: All dimensions are listed in millimeters [inches]. Cutout 138 mm x 138 mm (DIN 61554) < 30 [1.181] 76 [2.992] 1 [0.039] ... 22 [0.866] 41 [1.614] 1 Control panel 4 Locking bar, 4x 2 Circumferential seal, 1x 5 Threaded sleeve, 4x 3 Screw 60.0 x 4.0 mm, 4x...
  • Page 27: Blanking Plugs, Reduction Sealing Inserts, Multiple Sealing Inserts

    Stratos Multi E401X 3.4 Blanking Plugs, Reduction Sealing Inserts, Multiple Sealing Inserts Only use suitable and certified cable glands with suitable approvals in a hazardous location, e.g., WISKA Type ESKE/1 M20. As delivered, each cable gland includes a standard sealing insert. Reduction sealing inserts and multi- ple sealing inserts are available for the tight insertion of one or two thinner cables.
  • Page 28: Connections

    Stratos Multi E401X 3.5 Connections Rear of front unit 1 Terminals for inputs, outputs, relay contacts, power 5 Terminal plate supply 2 Slot for memory card (ZU1080‑S‑X‑*) 6 Module plate sticker, example for pH module 3 RS-485 interface: Connection for Memosens...
  • Page 29: Terminal Assignment

    Stratos Multi E401X 3.6 Terminal Assignment The terminals are suitable for single wires or stranded wires up to 2.5 mm Terminal Connection Sensor (Memosens or 3 V other digital sensor) RS485 A RS485 B Shield N.C. No connection Card Memory card Current inputs + I-Input 0/4 mA … 20 mA...
  • Page 30: Electrical Installation

    Stratos Multi E401X 3.7 Electrical Installation WARNING! The device does not have a power switch. An appropriately arranged and accessible disconnecting device for the transmitter must be present in the system installation. The disconnecting device must disconnect all non-grounded, current-carrying wires and be labeled such that the associ- ated transmitter can be identified.
  • Page 31: Current Outputs

    Stratos Multi E401X 3.7.1 Current Outputs The current outputs directly supply current (0/4 ... 20 mA) to a load according to the selected process variable. Note: Observe the specifications and connected loads. Specifications, p. 204 ➜ Terminal Assignment Diagram Active current outputs 3.7.2 Relay Contacts: Protective Wiring...
  • Page 32 Stratos Multi E401X Typical AC Application with Inductive Load 1 Load 3 Contact 2 Typical RC combination, e.g., capacitor 0.1 μF, resis- tance 100 Ω/1 W Typical DC Application with Inductive Load 1 Inductive load 3 Contact 2 Free-wheeling diode, e.g.,1N4007 (note polarity)
  • Page 33: Sensor Connection

    Stratos Multi E401X 3.8 Sensor Connection 3.8.1 Connecting the Memosens Sensor Top view of terminals for Memosens sensor. The figure shows the opened device, rear side of the front unit. 1 RS-485 interface: Standard sensor connection for digital sensor (Memosens sensor)
  • Page 34: Connecting An Analog Sensor/Second Memosens Channel

    Stratos Multi E401X 3.8.2 Connecting an Analog Sensor/Second Memosens Channel CAUTION! Electrostatic discharge (ESD). The modules’ signal inputs are sensitive to electrostatic discharge. Take measures to protect against ESD before inserting the module and connecting the inputs. Measuring Modules for Connecting Analog Sensors: pH, ORP, Oxygen, Conductivity Switch off the power supply of the device.
  • Page 35: Terminal Assignments Of Measuring Modules

    Stratos Multi E401X Measuring Module for Connecting a Second Memosens Sensor If you want to measure two process variables using Memosens sensors, you must insert an MK‑MS095X Memosens module for the second channel. Insert a Memosens module into the module slot and connect it (see above).
  • Page 36 Stratos Multi E401X Module for Contacting Conductivity Measurement Order code MK-COND025X Module for Inductive Conductivity Measurement Order code MK-CONDI035X Memosens Module Order code MK-MS095X...
  • Page 37: Commissioning

    Stratos Multi E401X 4 Commissioning Note: Upon request, Knick will provide safety briefings and product training during initial commis- sioning of the product. More information is available from the relevant local contacts. Install the enclosure. Installation, p. 20 ➜ Wire the connections.
  • Page 38: Operation And Use

    Stratos Multi E401X 5 Operation and Use 5.1 Changing the User Interface Language Requirements • Stratos Multi is connected to the power supply. • Measuring mode is shown on the display. Steps Left softkey: Menu. The Menu Selection opens. Press right softkey: Lingua. Press the right arrow key and set the language of the user interface.
  • Page 39 Stratos Multi E401X Sensor Monitoring Details (Administrator) Slope Zero Point ORP Offset Sensocheck Ref El Sensocheck Glass El Settling Time Back Back to Meas. 1 HOLD function check 7 Softkey function display 2 Headline of current menu 8 Softkey function display...
  • Page 40 Stratos Multi E401X Keypad 1 Left softkey: 4 Enter: Function in accordance with the left function display Open menu, confirm entries. 2 Left/right arrow keys: 5 Right softkey: Menu selection: previous/next menu, digit selection to Function in accordance with the right...
  • Page 41: Menu Structure Overview

    Stratos Multi E401X 5.3 Menu Structure Overview Menu Calibration Maintenance Parameter Setting Diagnostics Measure Passcode: 1147 2958 1246 Operator Level (factory 1989 Administrator Level setting) Submenus: Calibration mode, Maintenance of calibration points, sensors and buffer set current outputs System control (time, firmware update, options,...
  • Page 42: Measurement Display

    Stratos Multi E401X CAUTION! In function check mode (HOLD), the current outputs may be frozen at the last measured value or set to a fixed value. Measurement operations must not be carried out while the device is in function check mode (HOLD), as the system may behave unexpectedly and put users at risk.
  • Page 43: Parameter Setting

    Stratos Multi E401X 6 Parameter Setting CAUTION! Faulty parameter settings or adjustments can result in faulty outputs. A system spe- cialist must therefore commission Stratos Multi, set all its parameters, make all necessary adjustments, and protect it from unauthorized modifications.
  • Page 44: Administrator Level

    Stratos Multi E401X Administrator Level • Access to all settings, including passcode settings. Passcode Entry, p. 51 ➜ • Releasing or locking functions for access from the operator level. Functions that can be locked for the operator level are marked with the “lock” icon.
  • Page 45: Parameter Setting Menus

    Stratos Multi E401X 6.3 Parameter Setting Menus Menu Description System Control, p. 45 ➜ System Control Parameter Setting, General, p. 51 ➜ General Inputs/Outputs, p. 58 ➜ Inputs/Outputs Sensor Selection [I] [II], p. 67 ➜ Sensor Selection [I] [II] [I] [Sensor] Channel I parameter settings: Menu depends on sensor selection.
  • Page 46: Memory Card

    Stratos Multi E401X 6.4.1 Memory Card This menu is displayed when the ZU1080‑S‑*‑D Data Card is inserted. With activated TAN option FW‑E104 Logbook: Switch recording of logbook entries on the Data Card on/off. Logbook (FW-E104), p. 202 ➜ With activated TAN option FW‑E103 Measurement recorder: Enable/disable recording of measurement recorder on the Data Card.
  • Page 47: Parameter Sets

    Stratos Multi E401X 6.4.3 Parameter Sets Stratos Multi provides two complete selectable parameter sets (A/B) for different measurement tasks. The currently activated set can be signaled by a relay contact. Relay Contacts, p. 61 ➜ Parameter set “B“ only permits setting of process-related parameters.
  • Page 48: Function Control

    Stratos Multi E401X 6.4.4 Function Control The following functions can be activated by softkey or optocoupler input OK1: Input OK1: • Parameter set selection Parameter Sets, p. 47 ➜ • Flow Flow, p. 105 ➜ • Function check • Function check (channel) Right softkey: •...
  • Page 49: Calculation Blocks (Tan Option Fw-E020)

    Stratos Multi E401X Deleting a favorite: Open the menu and select the submenu set as a favorite. Diagnostics Message List Logbook Device Information HART Information Measurement Recorder Device Test Back Delete Favorite Right softkey: Delete Favorite ✓ The heart icon disappears from in front of the menu line. The softkey function changes to Set Favorite.
  • Page 50: Option Activation

    Stratos Multi E401X 6.4.9 Option Activation Add-on functions (TAN options) expand the functionality of the device system. TAN options are device-related. Therefore, you must specify the serial number of the device in addition to the relevant order no. for this function when ordering a TAN option. The manufacturer then supplies a TAN (trans- action number) for activating the add-on function.
  • Page 51: Concentration Table (Tan Option Fw-E009)

    Note: If you lose the passcode for the administrator level, system access is locked! The manufacturer can generate a rescue TAN. If you have any questions, please contact Knick Elektronische Messgeräte GmbH & Co. KG using the information provided on the last page of this document.
  • Page 52: Configuring The Measurement Display

    Stratos Multi E401X 6.5.1 Configuring the Measurement Display   Parameter Setting General Measurement Display Set the number of values to be displayed: 2 values (1 channel), 2 values (2 channels), 4 values (2 channels), 2 values, 4 values, 6 values, 8 values As required, assign channels and variables to be displayed.
  • Page 53 Stratos Multi E401X Selection Result Number 2 Values (1 Channel) Memosens pH/ORP Channel 1 Memosens pH/ORP Analog Cond 1st Measured Value 2nd Measured Value pH Voltage Assign a sensor to the channel. Confirm with enter. Number 2 Values (1 Channel)
  • Page 54 Stratos Multi E401X Measurement Display, Example with 2 Values (2 Channels) Selection Result Select two variables in two measuring channels: 2 Values (1 Channel) Number 2 Values 2 Values (2 Channels) Channel 1 pH Value 4 Values (2 Channels) 1st Measured Value...
  • Page 55 Stratos Multi E401X Measurement Display, Example with 4 (6, 8) Values Selection Result Select any four (six, eight) variables: Number 4 Values 4 Values (2 Channels) 1st Value pH Value 2 Values 4 Values 2nd Value Temperature 6 Values 3rd Value...
  • Page 56 Stratos Multi E401X Measurement Display, Example with 4 Values (2 Channels) Selection Result Select four variables in two measuring channels: Number 2 Values 2 Values (1 Channel) Channel 1 pH Value 2 Values (2 Channels) 4 Values (2 Channels) 1st Measured Value...
  • Page 57: Display

    Stratos Multi E401X Selection Result Channel 1 Memosens pH/ORP pH Value pH Value 1st Measured Value Conductivity pH Value Temperature pH Voltage 2nd Measured Value pH Voltage Salinity Channel 2 Analog Cond Resistivity Conductivity 1st Measured Value Conductivity Conductance 4.00 1.135 mS/cm...
  • Page 58: Inputs/Outputs

    Stratos Multi E401X 6.6 Inputs/Outputs The following inputs and outputs are available: • Four current outputs 0/4 ... 20 mA for transferring variables such as measured value or temperature (factory setting); two of these outputs can be enabled via TAN Current Outputs, p. 58 ➜...
  • Page 59 Stratos Multi E401X Setting the Measuring Span: Start (0/4 mA) and End (20 mA) Example measuring span pH 0    …  14 Example measuring span pH 5    …  7 Advantage: Higher resolution in range of interest [mA] [mA] 14 [pH] [pH] Characteristic Curves Linear Characteristic The process variable is represented by a linear output current curve.
  • Page 60: Output Filter

    Stratos Multi E401X Function/Logarithmic Characteristic Non-linear curve of the output current, enables measurement across multiple decades, e.g., the mea- surement of very small measured values with high resolution and measurement of large measured values (low resolution). Requires entry of value for 50% output current.
  • Page 61: Relay Contacts

    Stratos Multi E401X 6.6.2 Relay Contacts Parameters are adjustable for up to three free relay contacts K1 … K3. Contacts K2 and K3 are con- nected if the controller is used. PID Controller, p. 65 ➜ The contact parameters can be set as normally open or normally closed contact independently of each other.
  • Page 62 Stratos Multi E401X Usage: Maintenance Required  Inputs/Outputs Relay Contacts Select the desired contact with up/down arrow keys and enter. Specify : Maintenance Required Usage Set the contact parameters. Maintenance Required is active: • If messages that require maintenance appear This means that the equipment is still operating properly but should be serviced, or that process para- meters have reached a value requiring intervention.
  • Page 63 Stratos Multi E401X Usage: Limit Value  Inputs/Outputs Relay Contacts Select the desired contact with up/down arrow keys and enter. Specify : “Limit Value” Usage Set the contact parameters. Contact K1 (Admin.) Usage Limit Value Process Variable pH Value Limit Value pH 3.00...
  • Page 64 Stratos Multi E401X Configuring the Rinse Contact   Inputs/Outputs Relay Contacts Contact K… “Rinse Contact” Usage : “Rinse Contact (Channel)” is selected: Usage Select the channel. Select (e.g., “Normally Open N/O”). Contact Type Enter the Rinsing Interval Enter the...
  • Page 65: Pid Controller

    Stratos Multi E401X Usage: Sensoface Sensoface messages can be output via a relay contact. If using two sensors, the corresponding Sensoface messages can be assigned to different contacts:  Inputs/Outputs Relay Contacts Select the desired contact with up/down arrow keys and enter.
  • Page 66 Stratos Multi E401X Pulse Length Controller The pulse length controller is used to actuate a valve as an actuator. It switches the contact on for a length of time whose duration depends on the controlled variable (Y). The cycle duration remains constant.
  • Page 67: Control Inputs

    Stratos Multi E401X 6.6.4 Control Inputs Stratos Multi provides 2 digital optocoupler inputs (OK1, OK2). The following functions (depending on the parameter setting) can be started via the control signals: : off, parameter set selection, flow, function check total, or function check channel Input OK1 •...
  • Page 68: Ph Process Variable

    Stratos Multi E401X 6.8 pH Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Selecting a Memosens pH Sensor   Parameter Setting...
  • Page 69 Stratos Multi E401X Selecting a Digital ISM pH Sensor (TAN Option FW-E053)   Parameter Setting Sensor Selection [I] [II] Sensor Selection [II] Selection of an ISM Ex pH sensor connected to the MK-PH015X measuring module: Module: MK-PH Mode: Adjustable parameters for ISM pH sensors ...
  • Page 70 Stratos Multi E401X Submenu Description Temperature Compensation of Process Medium, p. 75 ➜ TC Process Medium With pH/ORP sensor: ORP / rH Value Selection of the reference electrode: Ag/AgCl, KCl 1 mol, Ag/AgCl, KCl 3 mol, Hg,Tl/TlCl, KCl 3.5 mol, Hg/Hg , K sat. Enable/disable ORP conversion to standard hydrogen electrode SHE.
  • Page 71: Sensor Data

    Stratos Multi E401X 6.8.1 Sensor Data Memosens Sensors Memosens sensors provide relevant sensor data automatically. Analog Sensors The sensor type must be selected if using analog sensors:   Parameter Setting [II] Analog … Sensor Data Sensor Data Sensor Type...
  • Page 72 Stratos Multi E401X Adjusting Sensor Monitoring  Sensor Data Sensor Monitoring Details Open a sensor parameter, e.g., Slope of the slope to automatic or individual. Monitoring If you select “Individual”: The nominal slope and the min./max. limit values can be entered.
  • Page 73 Stratos Multi E401X Setting CIP/SIP Counters  Sensor Monitoring Details CIP Counter SIP Counter : “Off” or “Individual” Monitoring If you select “Individual”: Enter the maximum number of CIP/SIP cycles. In the menu item, select whether and how off-limit values should be displayed: Message No message.
  • Page 74: Calibration Presettings

    Stratos Multi E401X 6.8.2 Calibration Presettings The calibration presettings can be defined in the parameter settings or adjusted directly in the Calibration menu prior to the calibration. : Presetting of calibration mode, e.g., Calimatic, Manual, Product Calibration, Data Calibration Mode Entry, Temperature If Calimatic automatic calibration is selected, the buffer set to be used must also be selected.
  • Page 75: Temperature Compensation Of Process Medium

    Stratos Multi E401X 6.8.3 Temperature Compensation of Process Medium Note: If temperature compensation of the process medium is enabled, “TC” is shown on the display in measuring mode. The following selection is available for temperature compensation: • Linear with input of a temperature coefficient TC •...
  • Page 76: Displaying Messages

    Stratos Multi E401X 6.8.5 Messages All values determined by the measuring module or sensor can generate messages. Messages can be configured for the following process variables: • pH Value • ORP (with pH/ORP sensor) • rH value (with pH/ORP sensor) •...
  • Page 77: Orp Process Variable

    Stratos Multi E401X 6.9 ORP Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Parameter setting for a Memosens pH/ORP sensor (combo sensor) pH Process Variable , p.
  • Page 78: Sensor Data

    Stratos Multi E401X Selecting an Analog ORP Sensor   Parameter Setting Sensor Selection [I] [II] Sensor Selection [II] Selection of an Ex ORP sensor connected to the MK-PH015X measuring module: Module: MK-PH Mode: Analog When using an analog ORP sensor, the menus are the same as for an analog pH sensor: ...
  • Page 79: Calibration Presettings

    Stratos Multi E401X With left softkey: Back, apply the sensor monitoring settings and set additional parameters. With the right softkey: Back to Meas., confirm the sensor monitoring settings and end the func- tion check (HOLD). 6.9.2 Calibration Presettings The calibration presettings can be defined in the parameter settings or adjusted directly in the Calibra- tion menu prior to the calibration.
  • Page 80: Messages

    Stratos Multi E401X 6.9.4 Messages All values determined by the measuring module or sensor can generate messages. Messages can be configured for the following process variables: • ORP voltage • Temperature Setting Parameters for Messages Individual process variable limits for the monitoring range can be selected in the...
  • Page 81: Conductivity (Contacting) Process Variable

    Stratos Multi E401X 6.10 Conductivity (Contacting) Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Selecting a Memosens Conductivity Sensor  ...
  • Page 82: Input Filter

    Stratos Multi E401X Selecting an Analog Conductivity Sensor   Parameter Setting Sensor Selection [I] [II] Sensor Selection [II] Selection of an Ex conductivity sensor connected to the MK-COND025X measuring module: Module: MK-COND Mode: Analog Adjustable parameters for analog conductivity sensors ...
  • Page 83 Stratos Multi E401X An additional time range must only be specified for the “Mean Value” and “Smart” selections: Input Filter (Admin.) Filter Noise Suppression Filter Time Mean Value Smart Back Input Filter (Admin.) Filter Smart Filter Time 30 s Back Back to Meas.
  • Page 84: Sensor Data

    Stratos Multi E401X 6.10.2 Sensor Data Memosens sensors provide relevant sensor data automatically. The sensor type must be selected if using analog sensors:   Parameter Setting [II] Analog … Sensor Data Sensor Data Sensor Type 2-El. Sensor Nom. Cell Constant 1.000 /cm...
  • Page 85 Stratos Multi E401X In the menu item, select whether and how off-limit values should be displayed: Message No message. Failure A failure message is shown for off-limit conditions; the corresponding NAMUR icon is displayed. If “Display Color NE107” is set, the measurement display is shown with red backlighting.
  • Page 86: Calibration Presettings

    Stratos Multi E401X 6.10.3 Calibration Presettings The calibration presettings can be defined in the parameter settings or adjusted directly in the Calibration menu prior to the calibration. Calibration Mode: Presetting of calibration mode, e.g., Automatic, Manual, Product Calibration, Data Entry, Temperature...
  • Page 87: Concentration (Tan Option Fw-E009)

    Stratos Multi E401X 6.10.5 Concentration (TAN Option FW-E009) With TAN option FW-E009, the substance concentration in percent by weight (wt%) can be determined for H , HNO , HCl, NaOH, NaCl, and Oleum from the measured conductivity and temperature values. A custom solution can also be specified.
  • Page 88: Messages

    Stratos Multi E401X 6.10.8 Messages All values determined by the measuring module or sensor can generate messages. Message parameters can be set for the following process variables: • Conductivity • Resistivity • Concentration (with TAN option FW-E009) • Temperature • Salinity...
  • Page 89: Conductivity (Inductive) Process Variable

    Stratos Multi E401X 6.11 Conductivity (Inductive) Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Selecting a Digital Toroidal Conductivity Sensor ...
  • Page 90 Stratos Multi E401X Adjustable Parameters for Digital or Memosens Sensors for Inductive Conductivity  Parameter Setting [I] [II] Digital/Memosens CondI Submenu Description Enable/disable suppression of interference pulses. Input Filter Enable/disable display of the Sensoface icon. Sensor Data If “Other Digital” is selected: Sensor Data, p.
  • Page 91: Sensor Data

    , select the used temperature probe and whether the temperature is to Temperature Detection be measured automatically or manually during measurement and/or calibration. Note: The sensor coding for unknown sensor types can be requested from Knick (see the back page of this document for contact details) Sensoface The Sensoface icons provide users with diagnostic information on the wear and required maintenance of the sensor.
  • Page 92 Stratos Multi E401X Enabling/Disabling Sensoface Sensoface is enabled and disabled in the submenu: Sensor Data   Parameter Setting [I] [II] [Sensor] Sensor Data Note: After a calibration, a smiley is always displayed for confirmation, even if Sensoface is disabled.
  • Page 93: Calibration Presettings

    Stratos Multi E401X Setting SIP Counters  Sensor Monitoring Details SIP Counter : Off or individual Monitoring If you select “Individual”: Enter the maximum number of SIP cycles. In the menu item, select whether and how off-limit values should be displayed: Message No message.
  • Page 94: Concentration (Tan Option Fw-E009)

    Stratos Multi E401X The settings are made in the submenu: TC Process Medium   Parameter Setting [I] [II] … Cond(I) TC Process Medium 6.11.4 Concentration (TAN Option FW-E009) With TAN option FW-E009, the substance concentration in percent by weight (wt%) can be deter-...
  • Page 95: Messages

    Stratos Multi E401X 6.11.7 Messages All values determined by the measuring module or sensor can generate messages. Message parameters can be set for the following process variables: • Conductivity • Resistivity • Concentration (with TAN option FW-E009) • Temperature • Salinity...
  • Page 96: Dual Conductivity Measurement

    Stratos Multi E401X 6.12 Dual Conductivity Measurement A 2-channel conductivity measurement can be performed with two Memosens sensors or one Memosens and one analog sensor. In this case, a Memosens sensor is directly connected to the device, a second conductivity sensor via the MK-COND025X or MK-MS095X modules.
  • Page 97: Oxygen Process Variable

    Stratos Multi E401X 6.13 Oxygen Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Note: Oxygen measurements in low oxygen concentrations require TAN option FW-E015.
  • Page 98 Stratos Multi E401X Selecting a Digital ISM Oxygen Sensor (TAN Option FW-E053)   Parameter Setting Sensor Selection [I] [II] Sensor Selection [II] Selection of an ISM Ex oxygen sensor connected to the MK-OXY045X measuring module: Module: MK-OXY Mode: Adjustable parameters for ISM oxygen sensors ...
  • Page 99 Stratos Multi E401X Selecting an Analog Oxygen Sensor   Parameter Setting Sensor Selection [I] [II] Sensor Selection [II] Selection of an Ex oxygen sensor connected to the MK-OXY045X measuring module: Module: MK-OXY Mode: Analog Adjustable parameters for analog oxygen sensors ...
  • Page 100: Sensor Data

    Stratos Multi E401X 6.13.1 Sensor Data Display Example for Analog Oxygen Sensor Sensor Data (Admin.) Measurement in Liquids Liquids Gases Sensor Type Standard Temperature Probe NTC 22kΩ Sensor Polarization Auto Polariz. During Meas -675 mV Polariz. During Cal -675 mV Back Select whether to measure in liquids or gases.
  • Page 101 Stratos Multi E401X Adjusting Sensor Monitoring  Sensor Data Sensor Monitoring Details Open a sensor parameter, e.g., Slope of the slope to automatic or individual. Monitoring If you select “Individual”: The nominal slope and the min./max. limit values can be entered.
  • Page 102: Calibration Presettings

    Stratos Multi E401X Setting CIP/SIP Counters  Sensor Monitoring Details CIP Counter SIP Counter : “Off” or “Individual” Monitoring If you select “Individual”: Enter the maximum number of CIP/SIP cycles. In the menu item, select whether and how off-limit values should be displayed: Message No message.
  • Page 103: Pressure Correction

    Stratos Multi E401X Cal Presettings (Administrator) Calibration Mode Product Sat. %Air Saturation Product Calibration Conc. (Liquid) Calibration Timer Partial Pressure Back The settings are made in the submenu: Cal Presettings   Parameter Setting [I] [II] … Oxy Cal Presettings Note: If Sensoface is enabled, a neutral smiley is displayed once 80 % of the interval has expired.
  • Page 104: Messages

    Stratos Multi E401X 6.13.5 Messages All values determined by the measuring module or sensor can generate messages. Message parameters can be set for the following process variables: • Sat. %Air • Saturation %O • Concentration • Partial Pressure • Temperature •...
  • Page 105: Flow

    Stratos Multi E401X 6.14 Flow Stratos Multi can calculate flow for limit value messages or for monitoring an ion exchanger. A pulse generator is connected to control input OK1 for this purpose. Parameter Setting The “Flow” function must first be assigned to control input OK1.
  • Page 106: Calibration/Adjustment

    Stratos Multi E401X 7 Calibration/Adjustment Menu Selection Calibration Back Lingua/语言 During calibration, Stratos Multi remains in calibration mode until stopped by qualified personnel. When calibration mode is exited, a confirmation prompt is displayed to ensure that the system is ready for operation again.
  • Page 107: Calibration/Adjustment Memosens

    Stratos Multi E401X First Adjustment Note: Function active for ISM pH/ORP sensors and amperometric ISM oxygen sensors. When you open the Calibration menu, you can choose to save the current calibration as the first adjustment. The adjustment record values are then shown as a reference in the diagnostics menu.
  • Page 108: Calibration Procedure

    Stratos Multi E401X 7.2.2 Calibration Procedure One-point Calibration The sensor is calibrated with just one buffer solution. A one-point calibration is useful and permissible if the measured values are close to the sensor zero point, such that the change in sensor slope is of mi- nor significance.
  • Page 109: Temperature Compensation During Calibration

    Stratos Multi E401X Three-point Calibration The sensor is calibrated with three buffer solutions. The zero point and slope are calculated with a line of best fit in accordance with DIN 19268. The zero point and slope of the sensor are subsequently adjusted.
  • Page 110: Calibration Mode: Calimatic

    7.2.5 Calibration Mode: Calimatic Calibration with Automatic Buffer Recognition During automatic calibration with Knick, the sensor is immersed in one, two or three buffer solutions. Stratos Multi automatically detects the nominal buffer value on the basis of the sensor voltage and the measured temperature.
  • Page 111: Calibration Mode: Manual

    Stratos Multi E401X Calibration record Time of Calibration 20.02.20 15:51 Cal Mode Calimatic Zero Point pH 7.01 Slope 59.03 mV/pH Calibrate Adjust 7.2.6 Calibration Mode: Manual During calibration with manual entry of buffer values, the sensor is immersed in one, two, or three buffer solutions.
  • Page 112: Calibration Mode: Product

    Stratos Multi E401X Proceed as for one-point calibration. For three-point calibration, the process uses the third buffer accordingly. ✔ The calibration record is displayed. Confirm with right softkey: Adjust, the calibration values ob- tained during calibration for calculation of the process variables are applied to the device. When using a Memosens sensor, the calibration values are saved in the sensor.
  • Page 113: Calibration Mode: Data Entry

    Stratos Multi E401X Step 2: Lab value is present. Open the Product Calibration menu again. Calibration Calibration Mode Product (Step 2: Lab Value) Back Next Right softkey: Next Enter the lab value and confirm with enter. Confirm with right softkey: Next or repeat calibration with left softkey: Cancel.
  • Page 114: Calibration Mode: Isfet Zero Point

    Stratos Multi E401X 7.2.9 Calibration Mode: ISFET Zero Point Setting the ISFET Operating Point When Memosens ISFET sensors are used for pH measurement, the individual operating point of the sensor first needs to be determined. This should be in the pH 6.5  …  pH 7.5 range. The sensor is im- mersed in a buffer solution with a pH value of 7.00 for this purpose.
  • Page 115: Orp Process Variable Calibration/Adjustment

    Stratos Multi E401X 7.3 ORP Process Variable Calibration/Adjustment • Calibration: Detect deviations without readjustment of calibration data • Adjustment: Detect deviations with readjustment of calibration data NOTICE! When using analog sensors, adjustment is required following sensor replacement. 7.3.1 Calibration/Adjustment Options •...
  • Page 116: Calibration Mode: Orp Check

    Stratos Multi E401X The time for the measuring voltage to stabilize can be shortened with the left softkey: Exit (without drift check: reduced accuracy of calibration values). The settling time indicates how long the sensor needs until the measuring voltage is stable. If the sensor voltage or the measured temperature fluctu- ate considerably, the calibration procedure is aborted after around 2 minutes.
  • Page 117: Calibration Mode: Temperature

    Stratos Multi E401X 7.3.5 Calibration Mode: Temperature Adjusting the Temperature Detector This function is used to adjust the individual tolerance of the temperature detector or cable lengths to increase temperature measurement accuracy. The adjustment requires an accurate measurement of the process temperature with a calibrated refer- ence thermometer.
  • Page 118: Conductivity (Contacting) Process Variable Calibration/Adjustment

    Stratos Multi E401X 7.4 Conductivity (Contacting) Process Variable Calibration/Adjustment • Calibration: Detect deviations without readjustment of calibration data • Adjustment: Detect deviations with readjustment of calibration data NOTICE! When using analog sensors, adjustment is required following sensor replacement. 7.4.1 Explanations Regarding Calibration/Adjustment with 2-/4-Electrode Sensors Each conductivity sensor has an individual cell constant.
  • Page 119: Calibration/Adjustment Options

    Stratos Multi E401X 7.4.3 Calibration/Adjustment Options • Automatic calibration: Automatic with standard calibration solution • Manual: Manual entry of a calibration solution • Product: Product calibration (calibration with sampling) • Data entry: Data entry of premeasured sensors • Temperature: Temperature detector adjustment 7.4.4 Calibration Mode: Automatic...
  • Page 120: Calibration Mode: Manual

    Stratos Multi E401X 7.4.5 Calibration Mode: Manual Manual Calibration Specifying a Calibration Solution During calibration with manual entry of the conductivity value of the calibration solution, the sensor is immersed in a calibration solution. Stratos Multi calculates a conductivity/calibration temperature pair value.
  • Page 121: Calibration Mode: Product

    Stratos Multi E401X 7.4.6 Calibration Mode: Product Calibration by Sampling If the sensor cannot be removed – e.g., for sterility reasons – its cell constant can be determined by “sampling”. The currently measured value (conductivity or concentration ) of the process is stored by Stratos Multi for this purpose.
  • Page 122 Stratos Multi E401X If required, exit calibration with the left softkey: Back. Note: The icon indicates that product calibration has not yet been completed. Step 2: Lab value is present. Open the Product Calibration menu again. Calibration Calibration Mode Product...
  • Page 123: Calibration Mode: Data Entry

    Stratos Multi E401X 7.4.7 Calibration Mode: Data Entry Enter the values for the cell constant of a sensor, related to 25 °C (77 °F) Calibration Procedure  Calibration [I] [II] ... Cond When you access calibration, the calibration values selected in the calibration presettings are used.
  • Page 124: Conductivity (Inductive) Process Variable Calibration/Adjustment

    Stratos Multi E401X 7.5 Conductivity (Inductive) Process Variable Calibration/Adjustment • Calibration: Detect deviations without readjustment of calibration data • Adjustment: Detect deviations with readjustment of calibration data NOTICE! When using analog sensors, adjustment is required following sensor replacement. 7.5.1 Explanations Regarding Calibration/Adjustment with Toroidal Sensors Each toroidal conductivity sensor has an individual cell factor.
  • Page 125: Calibration/Adjustment Options

    Stratos Multi E401X 7.5.3 Calibration/Adjustment Options • Automatic: Automatic with standard calibration solution • Manual: Manual entry of a calibration solution • Product: Product calibration (calibration with sampling) • Zero point: Zero Point Correction • Installation factor: Entry of an installation factor (with Memosens sensors) •...
  • Page 126: Calibration Mode: Manual

    Stratos Multi E401X 7.5.5 Calibration Mode: Manual Manual Calibration Specifying a Calibration Solution During calibration with manual entry of the conductivity value of the calibration solution, the sensor is immersed in a calibration solution. Stratos Multi calculates a conductivity/calibration temperature pair value.
  • Page 127: Calibration Mode: Product

    Stratos Multi E401X 7.5.6 Calibration Mode: Product Calibration by Sampling If the sensor cannot be removed – e.g., for sterility reasons – its cell factor can be determined by “sampling”. The currently measured value (conductivity or concentration ) of the process is stored by Stratos Multi for this purpose.
  • Page 128 Stratos Multi E401X If required, exit calibration with the left softkey: Back. Note: The icon indicates that product calibration has not yet been completed. Step 2: Lab value is present. Open the Product Calibration menu again. Calibration Calibration Mode Product...
  • Page 129: Calibration Mode: Zero Point

    Stratos Multi E401X 7.5.7 Calibration Mode: Zero Point Calibration Procedure  Calibration [I] [II] … CondI When you access calibration, the calibration values selected in the calibration presettings are used. These settings can still be changed in the Calibration menu. If you do not want to perform calibration, use the left softkey to go back one level and abort the calibration.
  • Page 130: Calibration Mode: Data Entry

    Stratos Multi E401X 7.5.9 Calibration Mode: Data Entry Enter values for the cell factor and zero point of a sensor, with reference to 25 °C (77 °F) If concentration measurement is activated (TAN option FW‑E009), the concentration is also shown in this menu and directly adjusted with the cell factor. This makes direct calibration to the concentration value possible.
  • Page 131: Calibration/Adjustment Oxygen Process Variable

    Stratos Multi E401X 7.6 Calibration/Adjustment Oxygen Process Variable • Calibration: Detect deviations without readjustment of calibration data • Adjustment: Detect deviations with readjustment of calibration data NOTICE! When using analog sensors, adjustment is required following sensor replacement. 7.6.1 Explanations Regarding Oxygen Calibration/Adjustment Every oxygen sensor has an individual slope and an individual zero point.
  • Page 132: Calibration Mode: In Air

    Stratos Multi E401X 7.6.3 Calibration Mode: In Air Automatic calibration in air The slope is corrected with the saturation value (100% Air), similar to the air saturation of water with air. Since this analogy only applies to water-vapor saturated air (100% relative humidity) but calibra- tion air is often less humid, the relative humidity of the calibration air must also be specified.
  • Page 133: Calibration Mode: Data Entry

    Stratos Multi E401X Select “In Water” and confirm with enter. Calibration Mode Take the sensor out of the medium and clean it. Carefully dab the membrane dry with a paper tissue. Expose the sensor to the calibration solution (air-saturated water), ensure sufficient incident flow, and confirm with enter.
  • Page 134: Calibration Mode: Product

    Stratos Multi E401X 7.6.6 Calibration Mode: Product Calibration by Sampling If the sensor cannot be removed – e.g., for sterility reasons – its slope can be determined by “sam- pling”. The current “Saturation” measured value is saved in the device for this purpose. A sample is taken directly afterward at the measuring point.
  • Page 135 Stratos Multi E401X Step 2: Lab value is present. Open the Product Calibration menu again. Calibration Calibration Mode Product (Step 2: Lab Value) Back Next Right softkey: Next Enter the lab value and confirm with enter. Confirm with right softkey: Next or repeat calibration with left softkey: Cancel.
  • Page 136: Calibration Mode: Zero Point

    Stratos Multi E401X 7.6.7 Calibration Mode: Zero Point Zero Point Correction For trace measurements below 500 ppb, we recommend calibrating the zero point. (TAN option FW‑E015, “Oxygen Measurement in Low Oxygen Concentrations”) If a zero point correction is performed, the sensor should remain in the calibration solution for 10 ...
  • Page 137: Calibration/Adjustment Oxygen Process Variable

    Stratos Multi E401X 7.7 Calibration/Adjustment Oxygen Process Variable • Calibration: Detect deviations without readjustment of calibration data • Adjustment: Detect deviations with readjustment of calibration data NOTICE! When using analog sensors, adjustment is required following sensor replacement. 7.7.1 Explanations Regarding Oxygen Calibration/Adjustment Every oxygen sensor has an individual slope and an individual zero point.
  • Page 138: Calibration Mode: In Air

    Stratos Multi E401X 7.7.3 Calibration Mode: In Air Automatic calibration in air The slope is corrected with the saturation value (100% Air), similar to the air saturation of water with air. Since this analogy only applies to water-vapor saturated air (100% relative humidity) but calibra- tion air is often less humid, the relative humidity of the calibration air must also be specified.
  • Page 139: Calibration Mode: Data Entry

    Stratos Multi E401X Select “In Water” and confirm with enter. Calibration Mode Take the sensor out of the medium and clean it. Carefully dab the membrane dry with a paper tissue. Expose the sensor to the calibration solution (air-saturated water), ensure sufficient incident flow, and confirm with enter.
  • Page 140: Calibration Mode: Product

    Stratos Multi E401X 7.7.6 Calibration Mode: Product Calibration by Sampling If the sensor cannot be removed – e.g., for sterility reasons – its slope can be determined by “sam- pling”. The current “Saturation” measured value is saved in the device for this purpose. A sample is taken directly afterward at the measuring point.
  • Page 141 Stratos Multi E401X Step 2: Lab value is present. Open the Product Calibration menu again. Calibration Calibration Mode Product (Step 2: Lab Value) Back Next Right softkey: Next Enter the lab value and confirm with enter. Confirm with right softkey: Next or repeat calibration with left softkey: Cancel.
  • Page 142: Calibration Mode: Zero Point

    Stratos Multi E401X 7.7.7 Calibration Mode: Zero Point Zero Point Correction For trace measurements below 500 ppb, we recommend calibrating the zero point. (TAN option FW‑E015, “Oxygen Measurement in Low Oxygen Concentrations”) If a zero point correction is performed, the sensor should remain in the calibration solution for 10 ...
  • Page 143: Diagnostics

    Stratos Multi E401X 8 Diagnostics Menu Selection Diagnostics Back Lingua/语言 Diagnostic functions can be directly opened from the measuring mode with the right softkey. To do this, the function must be assigned to the Softkey (1): Favorites menu Function Control, p. 48 ...
  • Page 144: Logbook

    Stratos Multi E401X You can scroll forwards and backwards with the up/down arrow keys. You will find an overview of message texts with notes on troubleshooting in the “Troubleshooting” chapter. Messages, p. 153 ➜ The error message disappears from the display around 2 s after troubleshooting.
  • Page 145: Device Information

    Stratos Multi E401X 8.1.4 Device Information Device Information Device Type Stratos Multi E401X Serial Number 8655400 Firmware 01.00.00 Build 8623 Hardware Back The following device information is displayed for the basic unit and any connected module: • Device type • Serial number •...
  • Page 146: Channel I/Ii Diagnostic Functions

    Stratos Multi E401X 8.1.7 Channel I/II Diagnostic Functions The submenus vary depending on the sensor type. Key functions are set out below. Sensor Information The Sensor Information submenu shows data from the currently connected digital sensor, e.g., manufacturer, order no., serial no., firmware and hardware version, last calibration, operating time: ...
  • Page 147 Stratos Multi E401X Sensor Wear Monitor The sensor wear monitor shows the sensor operating time and maximum temperature during the operating time, as well as wear and the estimated remaining time. For oxygen sensors, the number of membrane replacements and calibrations is also displayed: ...
  • Page 148: Maintenance Functions

    Stratos Multi E401X 9 Maintenance Functions Menu Selection Maintenance Back Lingua/语言 9.1 Overview of Maintenance Functions Maintenance Memosens Oxy Analog Cond-Cond Cond, Cond Calculation Current Source Relay Test Controller Test Back Back to Meas. The maintenance menu provides different functions for checking the device function:...
  • Page 149: Channel I/Ii Maintenance Functions

    Stratos Multi E401X 9.2 Channel I/II Maintenance Functions Memosens/Analog Memosens ISM Oxy ISM pH pH/Cond/CondI Sensor Monitor Autoclaving Counter Membrane Body Replacement Interior Body Replacement 9.2.1 Sensor Monitor   Maintenance [I] [II] [Sensor] Sensor Monitor Display of ongoing measured values (sensor monitor) when function check (HOLD state) is active at...
  • Page 150: Manual Function Test

    Stratos Multi E401X 9.3 Manual Function Test 9.3.1 Current Source The output current can be manually specified for the function test (range 0    …  22 mA):  Maintenance Current Source Select the current output. Use the arrow keys to enter a valid current value for the corresponding output.
  • Page 151: Maintenance

    (HOLD) must be activated in the device’s Maintenance menu. This can also be done in the Parameter Settings menu (Operator or Administrator level). Repair Users cannot repair Stratos Multi and the modules. Please direct your repair requests to Knick Elektronische Messgeräte GmbH & Co. KG at www.knick-international.com.
  • Page 152: Troubleshooting

    Stratos Multi E401X 11 Troubleshooting 11.1 Failure Conditions Messages and errors are displayed with the corresponding NAMUR icon and the measured value display of the corresponding channel changes color. The message is recorded in the logbook with the date and time.
  • Page 153: Messages

    Stratos Multi E401X 11.2 Messages Message Type Display Color in Accordance with NE107 Failure Maintenance Required Blue Out of Specification Yellow Function check Orange Info Info text, appears directly in the relevant menu. Message type is adjustable: Failure or Maintenance Required The colored display backlighting can be switched off: ...
  • Page 154 Stratos Multi E401X System Control/General Type Message Text Possible Cause Remedy F008 Error in the adjustment data Disable device (approx. 10 s). Adjustment Data If the message persists, send in the device. F009 Error in the firmware Disable device (approx. 10 s).
  • Page 155 Stratos Multi E401X Type Message Text Possible Cause Remedy F202 Internal system error Disable device (approx. 10 s). System Failure If the message persists, send in the device. F203 The parameter settings of the Check and correct the parameter settings. Inconsistent...
  • Page 156 Stratos Multi E401X Current Output/Relay Contacts Type Message Text Possible Cause Remedy B001 Data error in the parameter Completely reconfigure the device. Configuration Data settings Loss B070 Current output 1: The selected   Current I1 Span Parameter Setting Inputs/Outputs Current Outputs span is too small/too big.
  • Page 157 Stratos Multi E401X Type Message Text Possible Cause Remedy B084 Faulty parameter setting for Current output 3: Check parameter settings Current I3 Parameter current output I3 B085 Current output 4: The selected   Current I4 Span Parameter Setting Inputs/Outputs Current Outputs span is too small/too big.
  • Page 158 Stratos Multi E401X pH, ORP Type Message Text Possible Cause Remedy P001 Data error in the parameter Completely reconfigure the device. Configuration Data settings Loss P008 Error in the adjustment data Disable device (approx. 10 s). Adjustment Data If the message persists, send in the device.
  • Page 159 Stratos Multi E401X Type Message Text Possible Cause Remedy P020 Value above/below measuring Check measuring range, adjust if required. ORP Range range. No ORP sensor connected, sensor Check sensor connection. Connect ORP incorrectly connected. sensor if required. Sensor or sensor cable defective.
  • Page 160 Stratos Multi E401X Type Message Text Possible Cause Remedy P062 par Reference impedance outside Sad Sensoface: limits Ref Imp. Sensor or sensor cable defective. Check sensor and cables, replace if required. With MK‑PH015 module without Insert jumper between terminals B and C.
  • Page 161 Stratos Multi E401X Type Message Text Possible Cause Remedy P121 Digital sensor delivers an error. Replace sensor. Sensor Error Sensor no longer functions prop- (Factory Settings) erly. P122 Digital sensor delivers an error. Calibrate/adjust sensor. Sensor Memory The calibration data are faulty.
  • Page 162 Stratos Multi E401X Calculation Block pH/pH Type Message Text Possible Cause Remedy A001 Data error in the parameter settings Completely reconfigure the device. Configuration Data Loss A010 pH value difference: Value above/ Check both pH values. pH Diff Range below device limits.
  • Page 163 Stratos Multi E401X Type Message Text Possible Cause Remedy A200 Faulty configuration of calculation Check parameter settings: Param. Calculation Block blocks.  Parameter Setting System Control  Calculation Blocks Conductivity (Contacting) Type Message Text Possible Cause Remedy C001 Data error in the parameter Completely reconfigure the device.
  • Page 164 Stratos Multi E401X Type Message Text Possible Cause Remedy C020 Value above/below measuring Check measuring range, adjust if required. Resistivity Range range. Sensor connected incorrectly or Check sensor connection. Connect sensor if not at all. required. Sensor cable connected Check sensor cable, replace if required.
  • Page 165 Stratos Multi E401X Type Message Text Possible Cause Remedy C045 Value above measuring range. Check measuring range, adjust if required. Conductance Range Sensor connected incorrectly or Check sensor connection. Connect sensor if not at all. required. Wrong sensor for the measuring Connect the right sensor.
  • Page 166 Stratos Multi E401X Type Message Text Possible Cause Remedy C204 Info Drift criterion not adhered to Calibration: Sensor during calibration. Unstable Faulty calibration. Repeat calibration/adjustment. Sensor cable/connection faulty. Check sensor cable/connection, replace if required. Sensor worn. Replace sensor. Calculation Block Cond/Cond...
  • Page 167 Stratos Multi E401X Type Message Text Possible Cause Remedy E032 Value below configured monitoring RATIO LO limit. E033 Value above configured monitoring RATIO HI limit. E034 Value above configured monitoring RATIO HI_HI limit. E035 Passage: Value above/below device Check both conductivity values.
  • Page 168 Stratos Multi E401X Type Message Text Possible Cause Remedy E060 Check both conductivity values. For selection  pH Range Parameter Setting [CI/II] Calculation Cond/Cond  : “Usage”: “pH-VGB- pH Value S-006“:pH measuring range outside permissible range of VGB technical guideline. Alkalizing agent used does not Check the choice of alkalizing match parameter setting.
  • Page 169 Stratos Multi E401X Type Message Text Possible Cause Remedy T015 Value above/below measuring Check measuring range, adjust if required. Temperature Range range. Sensor connected incorrectly or Check sensor connection. Connect sensor if not at all. required. Sensor, sensor cable or tempera- Check sensor, cable, and temperature ture detector defective.
  • Page 170 Stratos Multi E401X Type Message Text Possible Cause Remedy T040 Value above/below measuring Check measuring range, adjust if required. Salinity Range range. Sensor connected incorrectly or Check sensor connection. Connect sensor if not at all. required. Sensor cable connected Check sensor cable, replace if required.
  • Page 171 Stratos Multi E401X Type Message Text Possible Cause Remedy T090 par Configured USP limit value USP Limit exceeded. T091 par The configured reduced USP limit Reduced USP Limit value was exceeded. T111 par Configured number of SIP cycles Calibrate/adjust sensor or replace sensor if SIP Counter exceeded.
  • Page 172 Stratos Multi E401X Type Message Text Possible Cause Remedy D015 Value above/below measuring Check measuring range, adjust if required. Temperature Range range. Sensor connected incorrectly or Check sensor connection. Connect sensor if not at all. required. Sensor, sensor cable or tempera- Check sensor, cable, and temperature detec- ture detector defective.
  • Page 173 Stratos Multi E401X Type Message Text Possible Cause Remedy D041 Value below configured Process Pressure monitoring limit. LO_LO D042 Value below configured Process Pressure LO monitoring limit. D043 Value above configured Process Pressure HI monitoring limit. D044 Value above configured Process Pressure monitoring limit.
  • Page 174 Stratos Multi E401X Type Message Text Possible Cause Remedy D113 par Sensor operating time exceeded. Replace sensor. Sensor Operating Time D114 par Configured number of membrane Replace membrane body. Confirm replace- Membrane Body body replacements exceeded. ment in Maintenance menu.
  • Page 175 Stratos Multi E401X Type Message Text Possible Cause Remedy H016 Value below configured monitoring Temperature Diff LO_LO limit. H017 Value below configured monitoring Temperature Diff LO limit. H018 Value above configured monitoring Temperature Diff HI limit. H019 Value above configured monitoring Temperature Diff HI_HI limit.
  • Page 176: Sensocheck And Sensoface

    Stratos Multi E401X 11.3 Sensocheck and Sensoface µS 07:00 0154 µS 07:00 25.3 25.3 °C °C 25.3 13.5 °C °C Menu Favorites Menu Menu Favorites Menu Happy Sensoface Neutral Sensoface Sad Sensoface The Sensoface icons provide users with diagnostic information on the wear and required maintenance of the sensor.
  • Page 177 Stratos Multi E401X Sensoface Criteria Sensoface Slope Zero Point Happy 53.3 … 61 mV/pH pH 6 … 8 < 53.3 mV/pH or < pH 6 or > 61 mV/pH > pH 8 Conductivity (Contacting) Sensoface Cell Constant Analog Sensors Memosens Happy 0.005 cm  0.5x nom. cell constant    …  2x nom. cell constant  … 19.9999 cm  < 0.005 cm  < 0.5x nom. cell constant or > 19.9999 cm ...
  • Page 178 Stratos Multi E401X Sensocheck Process Variable Sensocheck Function Automated monitoring of glass and reference electrodes Oxygen: Monitoring of membrane/electrolyte Conductivity: Notes on sensor state Enable/Disable Sensocheck Sensocheck is enabled and disabled in the submenu: Sensor Data With Memosens:  ...
  • Page 179: Decommissioning

    For details on how to return and dispose of electrical and electronic devices in an environmentally friendly manner, please refer to the manufacturer's declaration on our website. If you have any queries, suggestions, or questions about how Knick recycles electrical and electronic waste devices, please send us an email: support@knick.de...
  • Page 180: Accessories

    Stratos Multi E401X 13 Accessories Mounting Accessories Dimension Drawings, p. 22 ➜ Accessories Order No. Pipe-mount kit ZU0274 Panel-mount kit ZU0738 Protective hood ZU0737 M12 socket for sensor connection ZU0860 with Memosens cable/M12 connector Memory Cards, Ex Order No. Data Card...
  • Page 181 Stratos Multi E401X Deactivating the Data Card Note: When using a Data Card: Before disconnecting the supply voltage and before removing, the memory card must be deactivated to prevent data being exposed to potential loss. Open the menu. Maintenance Open/Close Memory Card With right softkey: Close, exit access to the memory card.
  • Page 182: Memory Card Types

    Stratos Multi E401X Memory Card Types Symbol Card Type (original accessory) Purpose Data Card Data recording (e.g., configuration, parameter sets, logbook, mea- ZU1080-S-X-D surement recorder data). When data is being transmitted, the icon flashes. The Data Card can be used in conjunction with the follow-...
  • Page 183: Tan Options

    Stratos Multi E401X 14 TAN Options The functions described in the following are available after the corresponding TAN option is activated. Option Activation, p. 50 ➜ Add-on Functions (TAN Options) Order No. pH Buffer Table: Entry of individual buffer set FW-E002 pH Buffer Table: Entry of Individual Buffer Set (FW-E002), p.
  • Page 184: Ph Buffer Table: Entry Of Individual Buffer Set (Fw-E002)

    Stratos Multi E401X 14.1 pH Buffer Table: Entry of Individual Buffer Set (FW-E002) For the buffer table that can be entered, the FW-E002 add-on function must be activated in the device with a TAN. Option Activation, p. 50 ➜ An individual buffer set with 3 buffer solutions can be entered. To do so, the nominal, temperature- corrected buffer values for the temperature range 0 … 95 °C (32 … 203 °F) are entered in increments of...
  • Page 185: Current Characteristic (Fw-E006)

    Stratos Multi E401X 14.2 Current Characteristic (FW-E006) For the current characteristic that can be entered, the FW-E006 add-on function must be activated in the device via TAN. Option Activation, p. 50 ➜ Assignment of output current to the process variable in increments of 1 mA.
  • Page 186 Stratos Multi E401X Specifying a Special Concentration Solution for Conductivity Measurement For a customer-specific solution, 5 concentration values A-E can be entered in a matrix with 5 default temperature values 1-5. First enter the 5 temperature values, and then the associated conductivity values for each of the concentrations A-E.
  • Page 187: Concentration Curves

    Stratos Multi E401X 14.3.1 Concentration Curves Conductivity [mS/cm] versus substance concentration [wt%] and media temperature [°C] Sodium Chloride Solution NaCl c [wt%] 1 Range within which concentration determination is not possible. Hydrochloric Acid HCl c [wt%] 1 Range within which concentration determination is not possible.
  • Page 188 Stratos Multi E401X Caustic Soda Solution NaOH c [wt%] 1 Range within which concentration determination is not possible. Sulfuric Acid H c [wt%] 1 Range within which concentration determination is not possible.
  • Page 189 Stratos Multi E401X Nitric Acid HNO c [wt%] 1 Range within which concentration determination is not possible. Oleum H •SO 120 °C 100 °C 85 °C 70 °C 55 °C 40 °C 25 °C 10 °C c [wt%] 1 Range within which concentration determination is not possible.
  • Page 190: Pfaudler Sensors (Fw-E017)

    Stratos Multi E401X 14.4 Pfaudler Sensors (FW-E017) This option enables simultaneous pH value and temperature measurement with Pfaudler pH sensors or pH sensors with a zero point and/or a slope deviating from pH 7, e.g., pH sensors with a zero point at pH 4.6.
  • Page 191 Stratos Multi E401X Isothermal Intersection Point The isothermal intersection point is the intersection of two calibration lines plotted for two different temperatures. The coordinates of this intersection are labeled V and pH . The isothermal intersection point remains constant for each sensor.
  • Page 192: Calculation Blocks (Fw-E020)

    Stratos Multi E401X 14.5 Calculation Blocks (FW-E020) After activating TAN option FW-E020, two calculation blocks are available to calculated the existing process variables to new variables. Option Activation, p. 50 ➜ The general device stat (NAMUR signals) is also taken into account.
  • Page 193: Calculation Formulas

    Stratos Multi E401X Cond, Cond Calculation (Admin.) Temperature Diff. Diff. = (B-A) Diff. = (B-A) Cond Diff. Diff. = (A-B) Resistivity Diff. Diff. = (B-A) Ratio Diff. = abs(A-B) Passage Rejection Back Process Variable Combinations in the Calculation Block Process Variable...
  • Page 194: Typical Application

    Stratos Multi E401X In the Cond/Cond calculation, it is possible to determine a pH value from the measured conductivity values. The settings are made in the submenu: pH Value Parameters that can be set for pH value calculation  ...
  • Page 195 Stratos Multi E401X Recommended pH ranges: 10 ± 0.2 for < 136 bar operating overpressure or 9.5 ± 0.2 for > 136 bar operating overpressure µS/cm µS/cm Conductivity measured downstream of the cation exchanger (Cond2) Conditioning the boiler water in natural circulation boilers with sodium hydroxide. Relationship between the pH value and the conductivity measured upstream or downstream of the cation exchanger.
  • Page 196: Hart (Fw-E050)

    Stratos Multi E401X 14.6 HART (FW-E050) Stratos Multi with TAN option FW-E050 is registered by the HART Communication Foundation. The device meets the requirements of the HCF Specification, Revision 7. The HART interface of the device is activated as follows: Activate the HART interface on the device via TAN option number.
  • Page 197: Digital Ism-Sensors (Fw-E053)

    Stratos Multi E401X 14.7 Digital ISM-Sensors (FW-E053) This option enables digital ISM sensors to be used for measuring pH, ORP and oxygen (amperometric). The FW-E053 add-on function must be activated in the device via TAN for this purpose. Option Activation, p. 50 ➜...
  • Page 198: Parameter Sets 1-5 (Fw-E102)

    Stratos Multi E401X 14.8 Parameter Sets 1-5 (FW-E102) To use parameter sets 1-5, add-on function FW‑E102 must be activated in the device via TAN. Option Activation, p. 50 ➜ Saving a Parameter Set on the Data Card Two parameter sets (A, B) are present in the device. Parameter set A can be saved on a Data Card.
  • Page 199 Stratos Multi E401X Loading a Parameter Set from the Data Card A parameter set saved on the Data Card (1, 2, 3, 4 or 5) can be loaded to the device-internal parameter set A.   Parameter Setting System Control Parameter Sets Select the number of parameter sets.
  • Page 200: Measurement Recorder (Fw-E103)

    Stratos Multi E401X 14.9 Measurement Recorder (FW-E103) To use the measurement recorder, add-on function FW-E103 must be activated in the device via TAN. Option Activation, p. 50 ➜ The measurement recorder logs measured values and additional values depending on its parameter setting.
  • Page 201 Stratos Multi E401X Deleting Measurement Recorder Data   Parameter Setting System Control Measurement Recorder Clear measurement recorder: Select “Yes”. Confirm with right softkey: OK. Saving on the Data Card Note: The device-internal memory has a limited memory capacity and continuously overwrites the oldest data sets after reaching maximum memory capacity.
  • Page 202: Logbook (Fw-E104)

    Stratos Multi E401X 14.10 Logbook (FW-E104) To record the logbook entries in a file, the FW‑E104 add-on function must be activated in the device via TAN. Option Activation, p. 50 ➜ See also Logbook, p. 50 ➜ Saving on the Data Card Using the Data Card Memory Card, p.
  • Page 203: Firmware Update (Fw-E106)

    Stratos Multi E401X 14.11 Firmware Update (FW-E106) Note: First check whether a firmware update is relevant for your device. For the firmware update, the FW-E106 add-on function must be activated in the device via TAN. Option Activation, p. 50 ➜...
  • Page 204: Specifications

    Stratos Multi E401X 15 Specifications 15.1 Power Supply (Power) Power supply, terminals 80 V (- 15%) … 230 (+ 10%) V AC; approx. 15 VA; 45 … 65 Hz 17, 18 24 V (- 15%) … 60 (+ 10%) V DC; 10 W Overvoltage category II, class II, pollution degree 2 Test voltage Type test 3 kV AC 1 min after moisture pre-treatment Routine test 1.4 kV for 2 s...
  • Page 205: Outputs (Selv, Pelv)

    Stratos Multi E401X 15.3.2 Outputs (SELV, PELV) Output 1, 2 Out 1, Out 2 Output current 0/4 … 20 mA, floating, max. load resistance to 500 Ω, Output 2 with galvanic connection to Outputs 3 and 4 Function Output 1: HART communication at 4 … 20 mA Failure message 3.6 mA (at 4 … 20 mA) or 22 mA, adjustable Active Max.
  • Page 206: Device

    Stratos Multi E401X Min./max. limit values Contact type Min./max. contacts, floating, connected to each other Contact behavior N/C or N/O Start-up delay 0000 … 9999 s Setpoints Inside selected measuring range Hysteresis Adjustable PID process controller Output Via limit contacts Setpoint specification Inside selected measuring range...
  • Page 207: Ambient Conditions

    Stratos Multi E401X Mounting Wall, pipe, panel mounting Color Gray RAL 7001 Dimensions H 148 mm, W 148 mm, D 117 mm Panel cutout 138 mm x 138 mm in acc. with DIN 43 700 Cable glands 5 knockouts for cable glands M20 x 1.5 2 of 5 knockouts for NPT ½″ or rigid metallic conduit...
  • Page 208: Measurement Functions

    Stratos Multi E401X 15.8 Measurement Functions 15.8.1 pH Memosens Connection Terminals 1 … 5 or via module MK‑MS095X Display ranges Temperature: -20.0 … 200.0 °C / -4 … 392 °F pH value: -2.00 … 16.00 Redox potential: -1999 … 1999 mV rH value (with pH/ORP sensor): 0 … 42.5 Measurement uncertainty Dependent on sensor Analog or ISM...
  • Page 209 Stratos Multi E401X pH calibration and adjustment Calibration procedure Calibration with Calimatic automatic buffer recognition Manual calibration with entry of individual buffer values Product calibration Data entry of pre-measured sensors ISFET zero point (for ISFET sensor) Temperature probe adjustment Determination of nominal zero point Max.
  • Page 210: Conductivity (Contacting)

    Stratos Multi E401X 15.8.2 Conductivity (Contacting) Memosens Connection Terminals 1 … 5 or via module MK‑MS095X Measurement uncertainty Dependent on sensor Analog 2-electrode/4-electrode sensors Connection Via module MK‑COND025X Measuring ranges 2-electrode sensors: 0.2 µS × c … 200 mS × c (Conductance limited to 3500 mS) 4-electrode sensors: 0.2 µS × c … 1000 mS × c Measurement uncertainty  ...
  • Page 211: Conductivity (Inductive)

    Stratos Multi E401X 15.8.3 Conductivity (Inductive) Memosens or SE680X‑*K Connection Terminals 1 … 5 or via module MK‑MS095X Measurement uncertainty Dependent on sensor Analog toroidal conductivity sensors SE655/656/660 Input for SE655X/SE656X toroidal conductivity sensors with MK‑CONDI035X module Measurement uncertainty   < 1% of measured value + 0.005 mS/cm...
  • Page 212: Conductivity (Dual)

    Stratos Multi E401X 15.8.4 Conductivity (Dual) Digital input 2× Memosens Connection Terminals 1 … 5 and module MK‑MS095X Measurement uncertainty Dependent on sensor Measurement uncertainty Depending on sensor Display ranges Conductivity 0.000 ... 9.999 µS/cm 00.00 ... 99.99 µS/cm 000.0 ... 999.9 µS/cm 0000 ... 9999 µS/cm Resistivity 00.00 …...
  • Page 213: Oxygen

    Stratos Multi E401X 15.8.7 Oxygen Digital input, Memosens Standard measurement/with TAN Input for amperometric Memosens sensors: option FW-E016: Trace measure- Terminals 1 … 5 or module MS095X ment Display range Temperature: -20.0 … 150.0 °C (-4 … 302 °F) Measurement uncertainty Dependent on sensor Input module, analog or ISM ...
  • Page 214 Stratos Multi E401X Trace sensor “001” (analog) Saturation 0.000 … 150.0% Concentration 000.0 … 9999 µg/l / 10.00 … 20.00 mg/l (dissolved oxygen) 000.0 … 9999 ppb / 10.00 … 20.00 ppm Volume concentration in gas 000.0 … 9999 ppm / 1.000 … 50.00 Vol% Input correction Pressure correction 0000 … 9999 mbar / 999.9 kPa / 145.0 psi (adjustable) Manual or external (via current input 0(4) … 20 mA) Salinity correction 0.0 … 45.0 g/kg...
  • Page 215: Diagnostics And Statistics

    Stratos Multi E401X 15.9 Diagnostics and Statistics Diagnostic functions Calibration data Calibration record Device self-test Automatic memory test (RAM, FLASH, EEPROM) Display test Display of all colors Keypad test Key function check Sensocheck Delay time Approx. 30 s Automated monitoring of glass and reference electrodes (can be switched off )
  • Page 216: Appendix

    Stratos Multi E401X 16 Appendix 16.1 Channel II Wiring Examples 16.1.1 pH Analog Wiring Examples Example 1, pH Analog Measurement task: pH, temperature, glass impedance Sensors (example): SE 555X/1-NS8N Cable (example): ZU 0318 1 Core 4 pH measuring module 2 Shield...
  • Page 217 Stratos Multi E401X Example 2, pH Analog Measurement task: pH/ORP, temp., glass impedance, reference impedance Sensors (example): SE555X/1-NS8N, equipotential bonding: ZU0073 Temperature: e.g., Pt1000 Cable (example): 2x ZU0318 1 Core 4 Cable 2 Shield 5 Sensors 3 pH measuring module...
  • Page 218 Stratos Multi E401X Example 3, pH Analog Measurement task: pH, temp, glass impedance Sensor: pH sensor e.g., SE 554X/1-NVPN, cable CA/VP6ST-003A Temperature detector: Integrated 1 Core, clear 6 Shield, yellow/green 2 Shield, red 7 pH measuring module 3 Jumper! 8 VP cable...
  • Page 219 Stratos Multi E401X Example 4, pH Analog Measurement task: pH/ORP, temp., glass impedance, reference impedance Sensors (example): pH sensor, e.g., SE 555X/1-NVPN, cable CA/VP6ST-003A Temperature detector: Integrated 1 Equipotential bonding electrode ZU0073 6 White 2 Core, clear 7 Shield, yellow/green...
  • Page 220 Stratos Multi E401X Example 5, pH Analog Measurement task: pH/ORP, temp., glass impedance, reference impedance Sensors (example): PL PETR-120VP (pH/ORP combo sensor, SI Analytics) Cable (example): CA/VP6ST-003A 1 Core, transparent 6 Shield, yellow/green 2 Shield, red 7 pH measuring module...
  • Page 221 Stratos Multi E401X Example 6, Pfaudler Sensor Channel II, requires TAN option FW-E017 “Pfaudler sensors” 1 Pfaudler probe 3 Cable 2 pH measuring module Module pH Reiner with EP Differential, models Models 03/04 with EP Models 03/04 without EP VP connector...
  • Page 222: Orp Analog Wiring Example

    Stratos Multi E401X 16.1.2 ORP Analog Wiring Example Note: Disable Sensocheck. Measurement task: ORP, temp., glass impedance, reference impedance Sensors (example): ORP: SE564X/1-NS8N Cable (example): ZU0318 1 Jumper 4 pH measuring module 2 Shield 5 Cable 3 Core 6 Sensors...
  • Page 223: Ism Ph Wiring Example

    Stratos Multi E401X 16.1.3 ISM pH Wiring Example Channel II, requires TAN option FW-E053 “Digital ISM sensors” Measurement task: pH/ORP, temp., glass impedance, reference impedance Sensors (example): InPro 4260i (Mettler-Toledo) Cable (example): AK9 (Mettler-Toledo) 1 Shield 4 Cable 2 Core...
  • Page 224: Contacting Conductivity Wiring Examples

    Stratos Multi E401X 16.1.4 Contacting Conductivity Wiring Examples Example 1, Cond Measurement task: Conductivity, temperature Sensors (principle): 4 electrodes 1 Set jumper between F and G if a 2-wire 4 Cable temperature detector is used! 2 Shield 5 Sensors 3 COND measuring module...
  • Page 225 Stratos Multi E401X Example 2, Cond Measurement task: Conductivity, temperature Sensors (principle): 2 electrodes, coaxial 1 Jumper! 4 COND measuring module 2 Set jumper between F and G if only a 2-wire 5 Cable temperature detector is used! 3 Shield...
  • Page 226: Inductive Conductivity Wiring Examples

    Stratos Multi E401X 16.1.5 Inductive Conductivity Wiring Examples Example 1, Condl Measuring task: Inductive conductivity/temperature Sensors: SE655X or SE656X 1 Core 7 Green 2 Shield 8 White 3 Coax red 9 Yellow 4 Shield 10 Shield green/yellow 5 Core 11 CondI module...
  • Page 227: Oxygen Wiring Examples

    Stratos Multi E401X 16.1.6 Oxygen Wiring Examples Standard Oxygen Wiring Example Measuring task: Oxygen (standard, amperometric) Sensors (example): e.g., SE706X Cable (example): CA/VP6ST-003A (ZU0313) 1 Core 5 Gray 2 Blue 6 Green 3 Jumper! 7 White 4 Shield 8 Outer shield...
  • Page 228 Stratos Multi E401X Trace Oxygen Measurement Wiring Example Measuring task: Trace oxygen measurement, TAN option FW‑E015 Sensors (example): Model “01” (e.g., SE707X) Cable (example): CA/VP6ST-003A (ZU0313) 1 Core 5 Gray 2 Blue 6 Green 3 Jumper! 7 White 4 Shield...
  • Page 229 Stratos Multi E401X ISM Oxygen Wiring Example Channel II, requires TAN option FW-E053 “Digital ISM sensors” Measurement task: Oxygen (standard, amperometric) Sensors (example): InPro 6850i (Mettler-Toledo) Cable (example): AK9 (Mettler-Toledo) 1 Shield 4 Cable 2 Core 5 Sensor 3 Oxygen measuring module...
  • Page 230: Buffer Tables

    Stratos Multi E401X 16.2 Buffer Tables Buffer Table, Knick CaliMat Nominal values highlighted. °C 2.01 4.05 7.09 9.24 12.58 2.01 4.04 7.07 9.16 12.39 2.01 4.02 7.04 9.11 12.26 2.00 4.01 7.02 9.05 12.13 2.00 4.00 7.00 9.00 12.00 2.00 4.01...
  • Page 231 Stratos Multi E401X Buffer Table, Merck/Riedel Nominal values highlighted. °C 2.01 4.05 7.13 9.24 12.58 2.01 4.04 7.07 9.16 12.41 2.01 4.02 7.05 9.11 12.26 2.00 4.01 7.02 9.05 12.10 2.00 4.00 7.00 9.00 12.00 2.00 4.01 6.98 8.95 11.88 2.00...
  • Page 232 Stratos Multi E401X Buffer Table, NIST Standard (DIN 19266: 2015-05) Nominal values highlighted. °C 1.666 4.000 6.984 9.464 1.668 3.998 6.951 9.395 13.207 1.670 3.997 6.923 9.332 13.003 1.672 3.998 6.900 9.276 12.810 1.675 4.000 6.881 9.225 12.627 1.679 4.005 6.865...
  • Page 233 Stratos Multi E401X Buffer Table Technical Buffer in Accordance with NIST Nominal values highlighted. °C 1.67 4.00 7.115 10.32 13.42 1.67 4.00 7.085 10.25 13.21 1.67 4.00 7.06 10.18 13.01 1.67 4.00 7.04 10.12 12.80 1.675 4.00 7.015 10.06 12.64 1.68...
  • Page 234 Stratos Multi E401X Buffer Table, Kraft Nominal values highlighted. °C 2.01 4.05 7.13 9.24 11.47 2.01 4.04 7.07 9.16 11.47 2.01 4.02 7.05 9.11 11.31 2.00 4.01 7.02 9.05 11.15 2.00 4.00 7.00 9.00 11.00 2.00 4.01 6.98 8.95 10.85 2.00...
  • Page 235 Stratos Multi E401X Buffer Table, Hamilton B Nominal values highlighted. °C 1.99 4.01 6.03 9.31 11.42 1.99 4.01 6.02 9.24 11.33 2.00 4.00 6.01 9.17 11.25 2.00 4.00 6.00 9.11 11.16 2.00 4.00 6.00 9.05 11.07 2.00 4.01 6.00 9.00 11.00...
  • Page 236 Stratos Multi E401X Buffer Table, Ciba (94) Nominal values: 2.06 4.00 7.00 10.00 °C 2.04 4.00 7.10 10.30 2.09 4.02 7.08 10.21 2.07 4.00 7.05 10.14 2.08 4.00 7.02 10.06 2.09 4.01 6.98 9.99 2.08 4.02 6.98 9.95 2.06 4.00 6.96...
  • Page 237 Stratos Multi E401X Buffer Table, Reagecon Nominal values highlighted. °C 2.01 4.01 7.07 9.18 12.54 2.01 4.01 7.07 9.18 12.54 2.01 4.00 7.07 9.18 12.54 2.01 4.00 7.04 9.12 12.36 2.01 4.00 7.02 9.06 12.17 2.00 4.00 7.00 9.00 12.00 1.99...
  • Page 238: Calibration Solutions

    Stratos Multi E401X 16.3 Calibration Solutions Potassium Chloride Solutions (Conductivity in mS/cm) Temperature Concentration [˚C] 0.01 mol/l 0.1 mol/l 1 mol/l 0.776 7.15 65.41 0.896 8.22 74.14 1.020 9.33 83.19 1.147 10.48 92.52 1.173 10.72 94.41 1.199 10.95 96.31 1.225 11.19...
  • Page 239 Stratos Multi E401X Sodium Chloride Solutions (Conductivity in mS/cm) Temperature Concentration [˚C] 0.01 mol/l 0.1 mol/l 1 mol/l 0.631 5.786 134.5 0.651 5.965 138.6 0.671 6.145 142.7 0.692 6.327 146.9 0.712 6.510 151.2 0.733 6.695 155.5 0.754 6.881 159.9 0.775 7.068...
  • Page 240: Symbols And Markings On The Display

    Stratos Multi E401X 16.4 Symbols and Markings on the Display Function check in accordance with NAMUR NE 107 Wrench icon on orange background The ”HOLD” NAMUR contact is active. Current outputs as configured: Currently measured value: The currently measured value appears at the current output.
  • Page 241 Stratos Multi E401X Designates the measuring channel for clear assignment of measured-value/parameter displays in the case of identical process variables. Channel I: Memosens sensor Channel II: Measuring module for analog sensor or second Memosens sensor Channel CI: Calculation block 1 Channel CII: Calculation block 2 To the left of a menu line that contains a further menu level.
  • Page 242: General Information

    Stratos Multi E401X 17 General Information 17.1 Basics of PID Control Control is only possible in a closed control loop. The control loop is made up of individual compo- nents, which must be permanently ready for operation. The variable to be controlled (controlled vari- able) is continuously measured and compared with the specified setpoint.
  • Page 243: Typical Applications

    Stratos Multi E401X PID Controller This controller contains the P, I, and D basic action of linear controllers. In the PID control system, the controlled variable corresponds to an addition of the output variables of a P, I, and D control system.
  • Page 244: Abbreviations

    Stratos Multi E401X 18 Abbreviations Width across flats ATEX Atmosphères Explosibles (explosive atmospheres) Cleaning in place Deutsches Institut für Normung (German Institute for Standardization) EEPROM Electrically Erasable Programmable Read-only Memory Electromagnetic compatibility European standard Electrostatic discharge Explosion protected Factory mutual...
  • Page 245 Stratos Multi E401X Notes...
  • Page 246 Knick Elektronische Messgeräte GmbH & Co. KG Beuckestraße 22 14163 Berlin Germany Phone: +49 30 80191-0 Fax: +49 30 80191-200 info@knick.de www.knick-international.com Translation of the original instructions Copyright 2024 • Subject to change Version 3 • This document was published on December 13, 2024.

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