Knick Stratos Evo A402 User Manual
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Knick Stratos Evo A402 User Manual

Conductivity measurement
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User Manual
Betriebsanleitung
Stratos®Pro
Aktuelle Produktinformation: www.knick.de
Latest Product Information: www.knick.de
Stratos Evo A402
Stratos Pro A2... pH
Conductivity Measurement
English
deutsch
Betriebsanleitung
Aktuelle Produktinformation:
www.knick.de
The Art of Measuring.
A2... PH
II 1G Ex ia IIC T3/T4/T6
14163 Berlin
14163 Berlin
SE 706X/1-NMSN
SE 706X/2-NMS
14163 Berlin
BVS 10 ATEX E0
BVS 10 ATEX E089 X
II 1G Ex ia IIC T
SE 706X/1-NM
II 1G Ex ia IIC T3/T4/T6
BVS 10 ATEX E
14163 Berlin
II 1G Ex ia IIC
SE 706X/2-NMSN
14163 Berlin
SE 706X/2-NM
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
BVS 10 ATEX E
II 1G Ex ia IIC

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  • Page 1 II 1G Ex ia IIC Stratos Evo A402 User Manual Betriebsanleitung Stratos Pro A2... pH Stratos®Pro Conductivity Measurement English deutsch A2... PH Betriebsanleitung x ia IIC T3/T4/T6 ATEX E 089 X Aktuelle Produktinformation: Aktuelle Produktinformation: www.knick.de Latest Product Information: www.knick.de www.knick.de...

  • Page 3: Table Of Contents

    Table of Contents Basics ..........................5 Documents Supplied ....................6 Introduction ..................7 Overview of the Stratos Evo ............12 Modular Concept..................... 16 Terminal Plate and Rating Plates ............ 17 Installation ..................18 Power Supply, Signal Assignments ..............19 Digital Sensors: Memosens .............. 20 Changing the Measuring Function ..........
  • Page 4 Table of Contents Configuring a CondI Sensor ............. 71 Device Type: Cond-Cond ..............80 Entries for Calculating the Consumption of the Ion Exchanger ..... 84 Configuration: Overview Tables ............86 Configuring the Current Output ................ 92 Temperature Compensation ................102 Configuring the CONTROL Input ..............104 Configuring the Alarm ..................108 Configuring the Relay Contacts ...............112 Protective Wiring of Relay Contacts..............118...

  • Page 5: Basics

    Basics Subject to change without notice Return of Products Under Warranty Please contact our Service Team before returning a defective device. Ship the cleaned device to the address you have been given. If the device has been in contact with process fluids, it must be decontaminated/ disinfected before shipment.

  • Page 6: Documents Supplied

    Installation and first steps: • Operation • Menu structure • Calibration • Error messages and recommended actions Specific Test Report Electronic Documentation Manuals + Software Ex Devices: Control Drawings EU Declarations of Conformity Up-to date documentation available on our website: www.knick.de...

  • Page 7: Introduction

    Introduction Stratos Evo is a 4-wire analyzer for process analysis applications. The analyzer comes as basic device for measurement with digital sensors (Memosens, optical oxygen measurement, inductive conductivity measurement). All measuring functions are stored in an internal memory. You select a measuring function to configure the analyzer for a specific measuring task.
  • Page 8 The device provides two parameter sets which can be switched manually or via a control input for different process adaptations or different process conditions. For an overview of parameter sets (original for copy), refer to the CD or www.knick.de. Password protection Password protection (passcode) for granting access rights during operation can be...
  • Page 9 Introduction Control inputs I input Current The analog (0) 4 ... 20 mA current input can be used for external pressure or temperature compensation. (TAN required.) input HOLD HOLD (floating digital control input) The HOLD input can be used for external activation of input the HOLD mode.
  • Page 10 Introduction Signal outputs The analyzer provides two 0 (4) ..20 mA current outputs for transmission of measured value and temperature, for example. Relay contacts Four floating relay contacts are available. Current outputs Output 1 The floating current outputs (0) 4 ... 20 mA are used for transmitting measured values.
  • Page 11 Stratos Evo: Typical Application...

  • Page 12: Overview Of The Stratos Evo

    Overview of the Stratos Evo Package Contents Check the shipment for transport damage and completeness. The package should contain: Front unit, rear unit, bag containing small parts Specific test report Documentation Fig.: Assembling the enclosure 1) Jumper (3 x) 6) Sealing insert (1 x) 2) Washer (1 x), for conduit mounting: 7) Rubber reducer (1 x) Place washer between enclosure and...
  • Page 13 Overview of the Stratos Evo Mounting Plan, Dimensions 1) Cable gland (3 x) 2) Knockouts for cable gland or ½“ conduit, dia. 21.5 mm (2 knockouts). Conduit couplings not included! 3) Knockout for pipe mounting (4 x) 4) Knockout for wall mounting (2 x) All dimensions in mm Mounting Accessories...
  • Page 14 Overview of the Stratos Evo Pipe Mounting, Protective Hood 1) Hose clamp with worm gear drive to DIN 3017 (2 x) 2) Pipe-mount plate (1 x) 3) For vertical or horizontal posts or pipes 4) Self-tapping screw (4 x) Fig.: Pipe-mount kit, accessory ZU 0274 Fig.: Protective hood for wall and pipe mounting, accessory ZU 0737...
  • Page 15 Overview of the Stratos Evo Panel Mounting 1) Circumferential sealing (1 x) 2) Screws (4 x) 3) Position of control panel 4) Span piece (4 x) 5) Threaded sleeve (4 x) Cutout 138 x 138 mm (DIN 43700) Fig.: Panel-mount kit, accessory ZU 0738 All dimensions in mm...

  • Page 16: Modular Concept

    Modular Concept For connection of Slot for Output 1 analog sensors: measuring Insert interchangeable module module (measuring module) Output 2 Alarm Memosens Wash RS-485 Power output 3.1/12/15/24 V 1 W Current input HOLD input Power Control input...

  • Page 17: Terminal Plate And Rating Plates

    Terminal Plate and Rating Plates Terminal Assignments The terminals are suitable for single or stranded wires up to 2.5 mm (AWG 14). A402N Rating Plate...

  • Page 18: Installation

    Installation Installation Instructions • Installation of the device must be carried out by trained experts in accordance with this user manual and as per applicable local and national codes. • Be sure to observe the technical specifications and input ratings during installation! •...

  • Page 19: Power Supply, Signal Assignments

    Power Supply, Signal Assignments Power Supply Connect the power supply for Stratos Evo to terminals 21 and 22 (24 ... 230 V AC, 45 ... 65 Hz / 24 ... 80 V DC) Terminal assignments Memosens connection Brown Green Yellow White / Shield Areas for placing the...

  • Page 20: Digital Sensors: Memosens

    Documenting and archiving meet the demands of FDA CFR 21 Part 11. Detailed reports can be output as csv export for Excel. MemoSuite is available as accessory and comes in the versions “Basic” and “Advanced”: www.knick.de. Settings and Connected sensor: sensor type, manufacturer,...
  • Page 21 Connecting a Memosens Sensor Standard connection (sensor A) Brown Green Yellow White/Transp. For dual devices Connection of sensor B Areas for placing the Brown screwdriver to pull out the terminals Green Yellow White Transp. Memosens Cable Brown Green Yellow White Transparent...
  • Page 22 Memosens Cable CA/MS-... Connecting cable for non-contact inductive digital transmission of measured signals (Memosens). By providing perfect galvanic isolation between sensor and analyzer/transmitter, the Memosens cable prevents measurement interferences. Any effects of humidity and corrosion are prevented. Specifications Material Cable diameter 6.3 mm Length up to 100 m...

  • Page 23: Changing The Measuring Function

    Inserting a Module Measuring modules for connection of analog conductivity sensors: Measuring modules for the connection of analog sensors are simply inserted into the module slot. Upon initial start-up, the analyzer automatically recognizes the module and adjusts the software correspondingly. When you replace the measur- ing module, you must select the corresponding measuring function in the “Service”...

  • Page 24: Cond Module

    Cond Module Module for contacting conductivity measurement (Cond) Cond input Order code MK-COND025... See the following pages for wiring examples. Terminal plate of module for Cond measurement The terminals are suitable for single or stranded wires up to 2.5 mm (AWG 14).

  • Page 25: Cond Wiring Examples

    Cond Wiring Examples Example 1: Measuring task: Conductivity, temperature Sensors (principle): 4 electrodes Place jumper across F and G when a 2-wire temperature probe is used!
  • Page 26 Cond Wiring Examples Example 2: Measuring task: Conductivity, temperature Sensors (principle): 2 electrodes, coaxial Jumper! Jumper! Place jumper across F and G when a 2-wire temperature probe is used!
  • Page 27 Cond Wiring Examples Example 3: Measuring task: Conductivity, temperature Sensors (example): SE 604, cable: ZU 0645 Connector of sensor head...
  • Page 28 Cond Wiring Examples Example 4: Measuring task: Conductivity, temperature Sensors (example): SE 610...
  • Page 29 Cond Wiring Examples Example 5: Measuring task: Conductivity, temperature Sensors (example): SE 620 VP cable e.g., CA/VP6ST-003A...
  • Page 30 Cond Wiring Examples Example 6: Measuring task: Conductivity, temperature Sensors (example): SE 630 Plug-in connection of sensor head...
  • Page 31 Cond Wiring Examples Example 7: Measuring task: Conductivity, temperature Sensors (example): SE 600 / SE 603 4-EL fringe-field sensor (Knick) * Do not connect...
  • Page 32 Cond Wiring Examples Example 8: Measuring task: Conductivity, temperature Sensor: Memosens Examples: SE 604(X)-MS SE 605H-... SE 615/1-MS SE 630(X)-MS Connect the Memosens sensor to the RS-485 interface of the device.

  • Page 33: Condi Module

    CondI Module Module for inductive conductivity measurement (CondI) CONDI input Order code MK-CONDI035... See the following pages for wiring examples. Terminal plate of CondI module The terminals are suitable for single or stranded wires up to 2.5 mm (AWG 14). The measuring module comes with a self-adhesive label.

  • Page 34: Cable Preparation Se 655 / Se 656

    Cable Preparation SE 655 / SE 656 Preparing the Shield Connection Pre-assembled special cable for SE 655 / SE 656 sensors • Insert the special cable through the cable entry into the terminal compartment. • Remove the already separated part of the cable insulation (1).

  • Page 35: Condi Wiring Examples

    CondI Wiring Examples Example 1: Measuring task: Noncontacting conductivity, temperature Sensors: SE 655 or SE 656...
  • Page 36 CondI Wiring Examples Example 2: Measuring task: Conductivity, temperature Sensor: SE 660...
  • Page 37 CondI Wiring Examples Example 3: Measuring task: Conductivity, temperature Sensor: Yokogawa ISC40 (Pt1000) Jumper! Configuration settings for this sensor: Sensor: Conductivity, temperature SENSOR OTHER RTD TYPE 1000Pt CELL FACTOR 1.88 TRANS RATIO...
  • Page 38 CondI Wiring Examples Example 4: Measuring task: Conductivity, temperature Sensor: Yokogawa IC40S (NTC 30k) Configuration settings for this sensor: Sensor: Conductivity, temperature SENSOR OTHER RTD TYPE 30 NTC CELL FACTOR approx. 1.7 TRANS RATIO...
  • Page 39 CondI Wiring Examples Example 5: Measuring task: Noncontacting conductivity, temperature Sensor: SE 670, SE 680 Cable: CA/M12-005NA Cable types: M12/ferrules CA/M12-005NA 10 m CA/M12-010NA 20 m CA/M12-020NA Connect the SE 670 / SE 680 sensor to the RS-485 interface of the device. When SE 670 / SE 680K is selected as sensor in the Configuration menu, the default values are taken as calibration data.

  • Page 40: Dual-Conductivity Module

    Dual-Conductivity Module Module for dual conductivity measurement input Order code MK-CC065... See the following pages for wiring examples. Terminal plate for dual conductivity measurement The terminals are suitable for single or stranded wires up to 2.5 mm (AWG 14). The measuring module comes with a self-adhesive label.

  • Page 41: Cond-Cond Wiring Examples

    Cond-Cond Wiring Examples Example 1: Measuring task: Dual conductivity, temperature Sensors (principle): 2 x 2-electrode sensor...
  • Page 42 Cond-Cond Wiring Examples Example 2: Measuring task: Dual conductivity, temperature Sensors: 2 x SE 604 Cable: 2 x ZU 0645...
  • Page 43 Cond-Cond Wiring Examples Example 3: Measuring task: Dual conductivity, temperature Sensors: 2 x SE 610...

  • Page 44: Operation

    Operation Measuring Mode Prerequisite: A Memosens sensor is connected or a measuring module is installed with a corresponding analog sensor connected. After the operating voltage has been connected, the analyzer automatically goes to “Measuring“ mode. To call the measuring mode from another operating mode (e.g., Diagnostics, Service): Hold meas key depressed (>...

  • Page 45: The Keys And Their Functions

    The Keys and Their Functions Up / Down Left / Right arrows arrows • Menu: • Menu: Increase/decrease a Previous/next numeral menu group • Menu: Selection • Number entry: Move between digits info meas • Retrieve • Return to last information menu level •...

  • Page 46: The Display

    The Display MEMO SENS 1 Temperature 13 Info available 2 Sensocheck 14 HOLD mode active 3 Interval/response time 15 Unit symbols 4 Sensor data 16 Primary process value 5 Sensocheck 17 Secondary display 6 Limit message: 18 Proceed using enter Limit 1 or Limit 2 19 Not used...

  • Page 47: Display In Measuring Mode

    Display in Measuring Mode The MAIN DISPLAY is the display which is shown in measuring mode. To call the mea- suring mode from any other mode, hold the meas key depressed for at least 2 sec. meas key enter key By pressing meas briefly you can step through further displays such as tag number (TAG) or flow (L/h).

  • Page 48: Color-Coded User Interface

    Color-Coded User Interface The color-coded user interface guarantees increased operating safety. Operating modes are clearly signaled. The normal measuring mode is white. Information text appears on a green screen and the diagnostic menu appears on turquoise. The orange HOLD mode (e.g., during calibration) is quickly visible as is the magenta screen which indicates asset manage- ment messages for predictive diagnostics –...

  • Page 49: Selecting The Mode / Entering Values

    Selecting the Mode / Entering Values To select the operating mode: 1) Hold meas key depressed (> 2 s) (measuring mode) 2) Press menu key: the selection menu appears 3) Select operating mode using left / right arrow key 4) Press enter to confirm the selected mode Selection menu Selected mode (blinks)

  • Page 50: Operating Modes

    Operating Modes Diagnostics Display of calibration data, display of sensor data, sensor monitor, performing a device self-test, viewing the logbook entries, display of hardware/software versions of the individual components. The logbook can store 100 events (00...99). They can be displayed directly on the device. The logbook can be extended to 200 entries using a TAN (Option).
  • Page 51 HOLD Mode The HOLD mode is a safety state during configuration and calibration. Output current is frozen (LAST) or set to a fixed value (FIX). Alarm and limit contacts are disabled. The display backlighting turns orange, display icon: Output signal response •...
  • Page 52 When preset to flow measurement an alarm can be generated when the measured flow exceeds a specified range: (specify value, default: 5 liters/h) (specify value, default: 25 liters/h) CONTROL Power supply (PWR out) 12...24 V AC/DC input Stratos Evo A402...
  • Page 53 Operating Modes / Functions Controller Measuring TAG display CLK display parameter display mode (main display (if configured) after 60 s after 60 s selectable) Pressing the menu key (down arrow) opens the selection menu. Select the menu group using the left/right arrow keys. Pressing enter opens a menu item.

  • Page 54: Overview Of Configuration

    Overview of Configuration The configuration steps are assigned to different menu groups. Using the left/right arrow keys, you can jump between the individual menu groups. Each menu group contains menu items for setting the parameters. Pressing enter opens a menu item. Use the arrow keys to edit a value.

  • Page 55: Switching Parameter Sets A/B

    Switching Parameter Sets A/B Note: With Cond-Cond, the two parameter sets are replaced by the two sensors A and B. Parameter Set A/B: Configurable Menu Groups The device provides 2 parameter sets “A“ and “B“. By switching between the parameter sets you can adapt the device to different measurement situations, for example.

  • Page 56: Signaling Parameter Set

    Signaling Parameter Set Parameter Set A/B: Manual Switchover Display Action Remark To switch between Manual selection of parameter sets must have been preset in parameter sets: CONFIG mode. Default setting is Press meas a fixed parameter set A. Wrong settings change the measurement properties! PARSET blinks in the lower line.

  • Page 57: Connecting A Memosens Sensor

    Connecting a Memosens Sensor Step Action/Display Remark First select “Sensor type Memosens” or “SE680-M” in the Configuration. Note: Connect sensor When no Memosens sensor is connected, the error message “NO SENSOR” is displayed. Wait until the sensor data The hourglass in the display blinks.
  • Page 58 Replacing a Memosens Sensor Step Action/Display Remark Press menu key to call the Select HOLD mode Now the device is in HOLD mode. The HOLD mode can also A sensor should only be selection menu, be activated externally via the replaced during HOLD select HOLD using the HOLD input.

  • Page 59: Configuring A Cond Sensor

    Configuring a Cond Sensor Overview of Cond Sensor Configuration Cond sensor Choices Default 2-ELECTRODE 2-ELECTRODE SNS: 4-ELECTRODE MEMOSENS 2-EL / 4-EL CELLFACTOR 00.0000 - 01.0000 c 19.9999 c MEAS MODE Cond Cond Conc % Sal ‰ USP μS/cm Cond MEAS RANGE x.xxx μS/cm xxx.x mS/cm xx.xx μS/cm...
  • Page 60 Cond Configuration Device Type: Cond Connected modules are automatically recognized. When no module is installed, but a Memosens sensor is connected at initial start-up, it is recognized and the corresponding process variable is automatically selected. In the SERVICE menu you can change the device type.
  • Page 61 Cond Configuration Menu item Action Choices 2-ELECTRODE Select sensor type Select sensor type using  keys. 4-ELECTRODE MEMOSENS Press enter to confirm. Enter cell constant 00.0050 ... 19.9999 c Modify digit using  keys, select next digit using  (01.0000 c) keys.

  • Page 62: Usp Function

    USP Function According to the “USP” directive (U.S.Pharmacopeia), Section 645 “Water Conductiv- ity” the conductivity of pharmaceutical waters can be monitored online. To do so, the conductivity is measured without temperature compensation and is compared with limit values (see table on next page). The water is usable when the conductivity is below the USP limit.
  • Page 63 USP Function Temperature/conductivity table as per USP Temp (°C) Cond (μS/cm) Temp (°C) Cond (μS/cm) Limit values for USP function Limit contact response REL1 and REL2 Cond. within limits of USP function Cond > USP (table) REL1 active REL2 active TDS factor Err 01 10 %...
  • Page 64 Cond Configuration Sensor, Temperature Unit, Temp Detection, Temperature Probe Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select SENSOR menu using  keys, press enter. All items of this menu group are indicated by the “SNS:” code.
  • Page 65 Cond Configuration Menu item Action Select °C / °F Temperature unit Select °C or °F using  keys. Press enter to confirm. AUTO Temp detection Select mode using  keys: AUTO: Measured by sensor MAN: Direct input of tempera- ture, no measurement (see next step) EXT: Temperature specified via current input (only if enabled...
  • Page 66 Cond Configuration Sensor, Cleaning Cycles, Sterilization Cycles Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select SENSOR menu using  keys, press enter. All items of this menu group are indicated by the “SNS:” code.
  • Page 67 Cond Configuration Menu item Action Choices CIP / SIP Cleaning cycles on/off Select ON or OFF using  keys. Activates/deactivates logging in extended logbook Press enter to confirm. Sterilization cycles on/off Select ON or OFF using  keys. Activates/deactivates logging in extended logbook Press enter to confirm.
  • Page 68 Cond Configuration Sensor, Sensor Verification (TAG, GROUP) Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select SENSOR menu using  keys, press enter. All items of this menu group are indicated by the “SNS:” code.
  • Page 69 Cond Configuration Menu item Action Choices Select ON or OFF using  keys. Press enter to confirm. When switched on, the entry for “TAG” in the Memosens sensor is compared to the entry in the analyzer. If the entries differ, a message will be generated.

  • Page 71: Configuring A Condi Sensor

    Configuring a CondI Sensor Overview of CondI Sensor Configuration CondI Sensor Choices Default SNS: SE 655 SE 655 SE 656 SE 660 SE 670 SE 680-K, SE 680-M, MEMOSENS, OTHER OTHER RTD TYPE 100PT / 1000PT / 1000PT 30 NTC CELL FACTOR XX.XXx 01.980...
  • Page 72 CondI Configuration Device Type: CondI Connected modules are automatically recognized. In the SERVICE menu you can change the device type. Afterwards, you must select the corresponding calibration mode in the CONF menu. Press menu key. Select CONF using , press enter. Select parameter set using ...
  • Page 73 CondI Configuration Menu item Action Choices SE 655 Sensor type Select sensor type using  keys. SE 656 SE 660 SE 670 Press enter to confirm. SE680-K SE 680-M MEMOSENS OTHER 1000PT Temperature probe Only with OTHER: Select type of temperature 100PT probe using ...
  • Page 74 CondI Configuration Sensor, Concentration Determination, Temperature Unit Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select SENSOR menu using  keys, press enter. All items of this menu group are indicated by the “SNS:” code.
  • Page 75 CondI Configuration Menu item Action Choices Concentration For conc measurement only -01- (NaCl) -02- (HCl) determination Select desired concentration -03- (NaOH) solution using  keys (see -04- (H appendix for ranges). -05- (HNO -06- (H Press enter to confirm. -07- (HCl) -08- (HNO -09- (H -10- (NaOH)
  • Page 76 CondI Configuration Sensor, Cleaning Cycles, Sterilization Cycles Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select SENSOR menu using  keys, press enter. All items of this menu group are indicated by the “SNS:” code.
  • Page 77 CondI Configuration Menu item Action Select CIP / SIP Cleaning cycles on/off ON/OFF Select ON or OFF using  keys. Activates/deactivates logging in extended logbook Press enter to confirm. Sterilization cycles on/off ON/OFF Select ON or OFF using  keys. Activates/deactivates logging in extended logbook Press enter to confirm.
  • Page 78 CondI Configuration Sensor, Sensor Verification (TAG, GROUP) Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select SENSOR menu using  keys, press enter. All items of this menu group are indicated by the “SNS:” code.
  • Page 79 CondI Configuration Menu item Action Choices Select ON or OFF using  keys. Press enter to confirm. When switched on, the entry for “TAG” in the Memosens sensor is compared to the entry in the analyzer. If the entries differ, a message will be generated.

  • Page 80: Device Type: Cond-Cond

    Device Type: Cond-Cond Sensors A and B – Arrangement Device type Cond-Cond Inlet: Connection length COND A sensor max. 3 m with fitting Outlet: Cation exchanger COND B sensor with fitting Channel selection and display assignment Display DISPLAY: OUT 1 Display OUT 2 C9 Alcalising...
  • Page 81 Device Type: Cond-Cond Calculations (CALC) Calculation Formula Difference Ratio Passage Rejection Deviation pH value Additional specifications possible for acc. to VBG S-006 calculating the consumption of the ion exchanger (size, capacity, efficiency) Alkalizing agent NaOH Alkalizing agent Alkalizing agent LiOH ON / OFF Displaying the remaining capacity: Diagnostics / Monitor menu...
  • Page 82 Device Type: Cond-Cond PARAMETER W, A, B specifiable Concentration of the alcalizing agent selecting NaOH, NH3, LiOH Concentration calculation Concentration calculation Concentration calculation *) Input of user-specific parameters possible **) With C6 and C9, the concentration of the alkalizing agent can be shown in the measurement display and in the sensor monitor and be switched to the current outputs.
  • Page 83 Device Type: Cond-Cond Calculating the pH Value by Means of Dual Conductivity Measurement When monitoring boiler feedwater in power plants, dual conductivity measurement can be used to calculate the pH value. For that purpose, the boiler feedwater con- ductance is measured before and after the cation exchanger. This commonly used method of indirect pH value measurement does not require much maintenance and has the following advantage: Normal pH measurement in ultrapure water is very critical.

  • Page 84: Entries For Calculating The Consumption Of The Ion Exchanger

    Cond-Cond Configuration Configuration Select Default (this setting applies to both channels, A and B) (Selected in text line) -C6- Alkalizing agent Entries for Calculating the Consumption of the Ion Exchanger EXCHER CAP ON / OFF EXCHER SIZE 00.50 … 5.00 LTR 00.50 LTR CAPACITY 1.000 …...
  • Page 85 Cond-Cond Configuration Configuration Select Default COEFFICIENT 00.00 ... 99.99 FACTOR 1 FACTOR 2 FACTOR 3 0.001 ... 9.999 1.000 -C9- ALCALISING NaOH, NH3, LiOH NaOH 1) The cell constant can be modified by an entry in the configuration menu or by calibration (one storage position).

  • Page 86: Configuration: Overview Tables

    Configuration: Overview Tables Device Type: Cond Cond sensor Choices Default -11- H •SO (oleum) TEMPERATURE AUTO (EXT. only with I-input enabled via TAN) EXT (only if enabled via TAN)
  • Page 87 Configuration: Overview Tables Device Type: CondI CondI Sensor Choices Default 1) With Memosens, the cell constant is automatically loaded from the sensor. When switching from Memosens to 2-/4-electrode sensor, the cell constant is set to the default value 01.0000 c and then must be entered manually. 2) The range selection allows selecting the maximum resolution.
  • Page 88 Configuration: Overview Tables Configuration (default in bold print) Current output 1 Cond 4 ... 20 mA OT1: RANGE 0 ... 20 mA COND, CONC, SAL, USP CHANNEL OUTPUT LIN / BILIN / LOG (LOG for S/cm and S/m only) (Current output curve) Floating-point input, 000.0 mS/c BEGIN 0/4 mA Floating-point input, 100.0 mS/c...
  • Page 89 Configuration: Overview Tables Configuration (default in bold print) Current output 2 Default setting CHANNEL: TMP (other settings like OT1) Correction Cond Compensation for ultrapure water: NaCl, HCL, NH3, NaOH * not for toroidal conductivity sensors...
  • Page 90 Configuration: Overview Tables Configuration (default in bold print) CNTR_IN input 0 ... 20000 pulses/liter (12000 pulses/liter) Alarm Relay contacts REL1, REL2 The following submenu depends on the selected setting. 0 ... 50 % full scale See RL1 for configuration; default setting: CHANNEL = TMP USP function Monitoring the sensor lines for breakage The sensor lines are monitored for breakage when the temperature is used for calculating the conduc-...
  • Page 91 Configuration: Overview Tables Configuration (default in bold print) PID controller Cond within measuring range 0 ... 50 % full scale Rinse contact WASH Rinse contact / Signaling the active parameter set Selecting the parameter set PARSET (no switchover, parameter set A) (manual selection in the “Configuration”...

  • Page 92: Configuring The Current Output

    Configuring the Current Output Output Current, Range, Current Start, Current End Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select OUT1 menu using  keys, press enter. All items of this menu group are indicated by the “OT1:“ code.
  • Page 93 Configuring the Current Output Menu item Action Select 4-20 mA / 0-20 mA Current range Select 4-20 mA or 0-20 mA range using  keys. Press enter to confirm. Cond/TMP Process variable Select using  keys. Cond: Conductivity TMP: Temperature Press enter to confirm. Then select characteristic (LIN/biLIN/LOG).
  • Page 94 Configuring the Current Output Output Current, Characteristic Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select OUT1 menu using  keys, press enter. All items of this menu group are indicated by the “OT1:“ code.
  • Page 95 Configuring the Current Output Menu item Action Select Output current Select using  keys, confirm by pressing enter Linear characteristic curve biLIN Bilinear curve Logarithmic curve Current start Entered value applies to Enter value using   selected process variable/range. keys.
  • Page 96 Configuring the Current Output Output Current, Logarithmic Curve Nonlinear output current characteristic: allows measurements over several decades, e.g., measuring very low values with a high resolution and high values with a low resolution. Parameters required: Start and end value Possible start and end values The start value must be at least one decade lower than the end value.
  • Page 97 Configuring the Current Output Menu item Action Select Logarithmic curve Select using  keys, confirm by pressing enter Logarithmic curve Output current Bilinear curve Linear characteristic Start value Start value of logarithmic out- Enter value using   put curve keys.
  • Page 98 Configuring the Current Output Output Current, Time Averaging Filter Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select OUT1 menu using  keys, press enter. All items of this menu group are indicated by the “OT1:“ code.
  • Page 99 Configuring the Current Output Menu item Action Select Time averaging filter Enter value using   keys. Press enter to confirm. Time averaging filter To smoothen the current output, a low-pass filter with adjustable filter time constant can be switched on. When there is a jump at the input (100 %), the output level is at 63 % after the time interval has been reached.
  • Page 100 Configuring the Current Output Output Current, Error and HOLD Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select OUT1 menu using  keys, press enter. All items of this menu group are indicated by the “OT1:“ code.
  • Page 101 Configuring the Current Output Menu item Action Choices Output current during The output current can be set to 22 mA in the case of error error message messages. Select ON or OFF using . Press enter to confirm. Output current during The output current can be set to 22 mA in the case of Sensoface Sensoface messages...

  • Page 102: Temperature Compensation

    Temperature Compensation Temperature Compensation Selecting the compensation method Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select CORRECTION menu using  keys, press enter. All items of this menu group are indicated by the “COR:“ code.
  • Page 103 Temperature Compensation Menu item Action Choices Temperature Select desired compensation using  keys: compensation OFF: Temperature compensation switched off LIN: Linear temperature com- pensation with entry of tempera- ture coefficient and reference temperature nLF: Temperature compensation for natural waters to EN 27888 NaCl, HCL, NH3, NaOH: Ultrapure water with traces of impurity...

  • Page 104: Configuring The Control Input

    Configuring the CONTROL Input Parameter Set Selection (External Signal) Press menu key. Select CONF using , press enter. Select parameter set A using  keys, press enter. Select CNTR_IN menu using  keys, press enter. All items of this menu group are indicated by the “IN:” code.
  • Page 105 Configuring the CONTROL Input Menu item Action Select PARSET FIX A / Select function of Select using  keys, confirm by pressing enter CONTROL input MANUAL / CNTR INPUT (selecting parameter set A/B via signal at CONTROL input) External switchover of parameter sets The parameter set A/B can be activated from outside by sending a signal to the CONTROL input (e.g., from the process control system).
  • Page 106 Configuring the CONTROL Input Flow Measurement Press menu key. Select CONF using , press enter. Select parameter set A using  keys, press enter. Select CNTR_IN menu using  keys, press enter. All items of this menu group are indicated by the “IN:” code.
  • Page 107 Configuring the CONTROL Input Menu item Action Select Select function of Select using keys, confirm by pressing enter (selecting parameter set A/B via CONTROL input signal at CONTROL input) (for connecting a pulse-output flow meter) 12000 pulses/liter Adjust to flow meter: With “Flow”...

  • Page 108: Configuring The Alarm

    Configuring the Alarm Alarm, Alarm Delay, Sensocheck, Tempcheck Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select ALARM menu using  keys, press enter. All items of this menu group are indicated by the “ALA:” code.
  • Page 109 Configuring the Alarm Menu item Action Choices Alarm delay Enter alarm delay using   keys. Press enter to confirm. Sensocheck Select Sensocheck (continuous monitoring of lines). Select ON or OFF using keys. Press enter to confirm. (At the same time, Sensoface is activated.
  • Page 110 Configuring the Alarm Alarm, CONTROL Input (FLOW MIN, FLOW MAX) Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select ALARM menu using  keys, press enter. All items of this menu group are indicated by the “ALA:” code.
  • Page 111 Configuring the Alarm Menu item Action Select CONTROL input The CONTROL input can gener- ate an alarm when assigned to “FLOW” (flow monitoring) in the CONF menu: FLOW CNTR Flow measurement: allows monitoring the minimum and maximum flow (pulse counter) Alarm Default: 05.00 liters/h Specify value...

  • Page 112: Configuring The Relay Contacts

    Configuring the Relay Contacts Limit Function, Relay 1 Press menu key. Select CONF using , press enter. Select parameter set using , press enter. Select REL1/REL2 menu using  keys, press enter. All items of this menu group are indicated by the “RL1:“ code.
  • Page 113 Configuring the Relay Contacts Menu item Action Select Use of relays Select in the text line using  keys: (not with MΩ as process / USP FUNCT • Limit function (LIMITS) variable!) (only • Controller (CONTROLLER) with USP selected!). • USP function (USP) Note: Selecting CONTROLLER leads to Controller menu group Press enter to confirm.
  • Page 114 Configuring the Relay Contacts Limit Function, Relay 1 Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select REL1/REL2 menu using  keys, press enter. All items of this menu group are indicated by the “RL1:“ code.
  • Page 115 Configuring the Relay Contacts Menu item Action Select Limit 1 hysteresis Depending on module or Select hysteresis using  Memosens sensor  keys. Press enter to confirm. Limit 1 delay The contact is activated with delay (deactivated without delay) Adjust delay using   keys.
  • Page 116 Configuring the Relay Contacts Limit Function, Relay 2 Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select REL1/REL2 menu using  keys, press enter. All items of this menu group are indicated by the “RL2:“ code.
  • Page 117 Configuring the Relay Contacts Menu item Action Select Select process variable Select desired process variable Depending on module or using  keys. Memosens sensor (CHANNEL) Press enter to confirm. Limit 2 function Select desired function using arrow keys. Limit 2 icon: (FUNCTION) Press enter to confirm.

  • Page 118: Protective Wiring Of Relay Contacts

    Protective Wiring of Relay Contacts Protective Wiring of Relay Contacts Relay contacts are subject to electrical erosion. Especially with inductive and capac- itive loads, the service life of the contacts will be reduced. For suppression of sparks and arcing, components such as RC combinations, nonlinear resistors, series resistors and diodes should be used.
  • Page 119 Protective Wiring of Relay Contacts Typical Protective Wiring Measures DC application with inductive load AC/DC applications with capacitive load Connection of incandescent lamps Inductive load Free-wheeling diode, e.g.,1N4007 (Observe polarity) Contact Capacitive load Resistor, e.g., 8 Ω / 1 W at 24 V / 0.3 A Contact Incandescent lamp, max 60 W / 230 V, 30 W / 115 V Contact...

  • Page 121: Pid Controller (Not With Cond-Cond)

    PID Controller (not with Cond-Cond) Typical Applications P controller Application for integrating control systems (e.g., closed tank, batch processes). PI controller Application for non-integrating control systems (e.g., drains). PID controller The additional derivative action compensates for measurement peaks. Controller Characteristic +100 % Controller output Yp Relay 1...
  • Page 122 PID Controller Controller Equations dY P Controller output Y = Y P dt P action I action D action with: Proportional action Reset time [s] Proportional action Y P Rate time [s] Controller gain [%] Setpoint - Meas. value Y P = Measuring range Neutral Zone (Y=0) Tolerated deviation from setpoint.
  • Page 123 PID Controller Pulse Length / Pulse Frequency Controller Pulse Length Controller (PLC) The pulse length controller is used to operate a valve as an actuator. It switches the contact on for a time that depends on the controller output. The period is constant. A minimum ON time of 0.5 sec is maintained even if the controller output takes corresponding values.
  • Page 124 PID Controller Controller, Process Variable, Controller Type, Setpoint Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select REL1/REL2 menu using  keys, press enter. All items of this menu group are indicated by the “CTR:” code.
  • Page 125 PID Controller Menu item Action Select Use of relays Select in the text line using  keys: Selecting CONTROLLER leads to • Controller (CONTROLLER) Controller menu group CTR. Press enter to confirm. Select process variable Select desired process variable Depending on module or using ...
  • Page 126 PID Controller Controller, Neutral Zone, P, I, D Action Components, Behavior during HOLD Press menu key. Select CONF using , press enter. Select parameter set using  keys, press enter. Select REL1/REL2 menu using  keys, press enter. All items of this menu group are indicated by the “CTR:” code.
  • Page 127 PID Controller Menu item Action Select Neutral zone Depending on module or Adjust neutral zone using  Memosens sensor  keys. Press enter to confirm. Controller: P action Adjust P action using   keys. Press enter to confirm. Controller: I action Adjust I action using ...

  • Page 128: Configuring The Wash Contact

    Configuring the WASH Contact WASH Contact, Controlling a Rinsing Probe or Signaling the Parameter Set Press menu key. Select CONF using , press enter. Select parameter set A using  keys, press enter. Select WASH menu using  keys, press enter. All items of this menu group are indicated by the “WSH:”...
  • Page 129 Configuring the WASH Contact Menu item Action Choices Function Select WASH contact function using  keys. WASH: Controlling a rinsing probe With PARSET A/B selected, the contact signals: “Parameter set A“ (open contact) “Parameter set B“ (closed contact) Press enter to confirm. Cleaning interval Only with WASH: Adjust value using ...

  • Page 130: Configuring The Time/Date

    Configuring the Time/Date Time and Date, Measuring Point Press menu key. Select CONF using , press enter. Select parameter set A using  keys, press enter. Select CLOCK or TAG using  keys, press enter. All items of this menu group are indicated by the “CLK:” or “TAG”...
  • Page 131 Sensor Verification (Memosens) Time and Date Control of the calibration and cleaning cycles is based on the time and date of the integrated real-time clock. In measuring mode the time is shown in the lower display. When using digital sensors, the calibration data is written in the sensor head.
  • Page 133 Calibration Note: • All calibration procedures must be performed by trained personnel. Incorrectly set parameters may go unnoticed, but change the measuring properties. Calibration can be performed by: • determining the cell constant (cell factor for toroidal sensors) with a known calibration solution •...

  • Page 134: Calibration With Calibration Solution

    Calibration with Calibration Solution Input of temperature-corrected value of calibration solution with simultaneous display of cell constant (cell factor for toroidal sensors). Display Action Remark Select Calibration. Press enter to proceed. Select CAL_SOL calibration method. Press enter to proceed. Ready for calibration. Display (3 sec) Hourglass blinks.
  • Page 135 Calibration with Calibration Solution Display Action Remark Display of selected process variable (here: mS/cm). Now the device is in HOLD mode: Reinstall the sensor and check whether the measure- ment is OK. MEAS exits calibration, REPEAT permits repetition. With MEAS selected: Display of conductivity Press enter to exit and temperature, Senso-...

  • Page 136: Product Calibration

    Product Calibration Calibration by sampling – for product calibration, the uncompensated conductivity (μS/cm, mS/cm, S/m) is used. During product calibration the sensor remains in the process. The measurement process is only interrupted briefly. Procedure: 1) The sample is measured in the lab or directly on the site using a portable meter. To ensure an exact calibration, the sample temperature must correspond to the measured process temperature.
  • Page 137 Product Calibration Display Action Remark The device returns to mea- From the blinking CAL suring mode. mode indicator, you see that product calibration has not been terminated. Product calibration step 2: Display (3 sec) When the sample value has Now the device is in been determined, open the HOLD mode.
  • Page 138 Temp Probe Adjustment Display Action Remark Select Calibration. Wrong settings change Press enter to proceed. the measurement Select CAL_RTD properties! calibration method. Press enter to proceed. Measure the temperature of Display (3 sec) the process medium using Now the device is in an external thermometer.

  • Page 139: Calibrating Toroidal Sensors

    Calibrating Toroidal Sensors Please note: When the sensor is installed in a pipe/tank at a distance less than 30 mm from the wall, you should perform the calibration either by means of sampling (product cali- bration) with the sensor installed or in a suitable calibration beaker with dimensions and material corre- sponding to the process conditions.

  • Page 140: Calibration By Input Of Cell Factor

    Calibration by Input of Cell Factor Calibration by input of cell factor (toroidal sensors) You can directly enter the value for the cell factor of a sensor. The value must be known, eg, determined beforehand in the laboratory. The selected process variable and the temperature are displayed.

  • Page 141: Zero Calibration

    Zero Calibration Zero calibration in air / with calibration solution (toroidal sensors) Display Action Remark Select Calibration. Press enter to proceed. Select CAL_ZERO calibration method. Press enter to proceed. Ready for calibration. Display (3 sec) Hourglass blinks. Now the device is in HOLD mode.

  • Page 143: Measurement

    Measurement Display Remark From the configuration or calibration menus, you can switch the device to measuring mode by pressing the meas key. In the measuring mode the upper display line shows the configured process variable (Cond or tempera- or AM/PM and °F: ture), the lower display line shows the time and the second configured process variable (Cond or tempera- ture).
  • Page 144 Display in Measuring Mode The MAIN DISPLAY is the display which is shown in measuring mode. To call the mea- suring mode from any other mode, hold the meas key depressed for at least 2 sec. meas key enter key By pressing meas briefly you can step through further displays such as tag number (TAG) or flow (L/h).
  • Page 145 Color-Coded User Interface The color-coded user interface guarantees increased operating safety. Operating modes are clearly signaled. The normal measuring mode is white. Information text appears on a green screen and the diagnostic menu appears on turquoise. The orange HOLD mode (e.g., during calibration) is quickly visible as is the magenta screen which indicates asset manage- ment messages for predictive diagnostics –...
  • Page 146 Measurement Display Remark With activated controller you can also step through the following displays by pressing the meas key. When no key has been pressed for 60 sec, the device returns to the standard display. Upper display: Controller output Y The controller output can be modified using .

  • Page 147: Diagnostics

    Diagnostics In the Diagnostics mode you can access the following menus without interrupting the measurement: CALDATA Viewing the calibration data SENSOR Viewing the sensor data SELFTEST Starting a device self-test LOGBOOK Viewing the logbook entries MONITOR Displaying currently measured values, Remaining capacity of the ion exchanger VERSION Displaying device type, software version, serial number...
  • Page 148 Diagnostics Display Menu item Display of calibration data Select CALDATA using, confirm by pressing enter. Use the keys to select the desired parameter from the bottom line of the display: The selected parameter is shown in the upper display line. Press meas to return to measurement.
  • Page 149 Diagnostics Display Menu item Device self-test (To abort, you can press meas.) MEMO SENS 1) Display test: Display of all segments with changing background colors (white/green/red). Proceed by pressing enter 2) RAM test: Hourglass blinks, then display of --PASS-- or --FAIL-- Proceed by pressing enter 3) EEPROM test: Hourglass blinks, then display of --PASS-- or --FAIL--...
  • Page 150 Diagnostics Display Menu item Displaying the logbook entries Select LOGBOOK using, press enter to confirm. With the  keys, you can scroll backwards and forwards through the logbook (entries -00-...-99-), -00- being the last entry. If the display is set to date/time, you can search for a particular date using the ...
  • Page 151 Diagnostics Display Menu item Displaying the currently measured values (sensor monitor) Select MONITOR using, press enter to confirm. Use thekeys to select the desired parameter from the bottom line of the display (R_COND G_COND RTD TEMP I-INPUT (Option)). Display example: The selected parameter is shown in the upper display line.

  • Page 152: Service

    Service In the Service mode you can access the following menus: MONITOR Displaying currently measured values NEW EXCHANGER Resetting the consumption calculation after replacement of ion exchanger POWER OUT Power output (adjustable: 3.1/12/15/24 V) OUT1 Testing current output 1 OUT2 Testing current output 2 RELAIS Testing the function of the 4 relays CONTROL...
  • Page 153 Service Menu item Remark Displaying currently measured values (sensor monitor) with HOLD mode activated: Select MONITOR using, press enter to confirm. Select variable in the bottom text line using. The selected parameter is shown in the upper dis- play line. As the device is in HOLD mode, you can perform validations using simulators without influencing the signal outputs.
  • Page 154 Service Menu item Remark Specifying the current for outputs 1 and 2: Select OUT1 or OUT2 using thekeys, press enter to confirm. Enter a valid current value for the respective output using  keys. Confirm by pressing enter. For checking purposes, the actual output current is shown in the bottom right corner of the display.
  • Page 155 Service Menu item Remark Assigning passcodes: In the “SERVICE - CODES“ menu you can assign pass- codes to DIAG, HOLD, CAL, CONF and SERVICE modes (Service preset to 5555). When you have lost the Service passcode, you have to request an “Ambulance TAN“ from the man- ufacturer specifying the serial number and hardware version of your device.

  • Page 156: Operating Error

    Operating Error! Power Disruption while Loading the Process Variable In very rare cases it seems that the analyzer cannot be operated because it remains in “Firmware Update” mode – indicated by the --FIRMW UPDATE-- message. This occurs when the power is disrupted while the pro- cess variable is loaded.
  • Page 157 Operating Error! Action Key/Display Remark Searching for Then the analyzer searches for a mea- the process suring module or Memosens sensor. variable Loading the When a module or a sensor has been process variable, found, the loading progress is shown automatic in percentages.

  • Page 158: Error Messages

    Error Messages Info text Problem Error (is displayed in case of fault when the Possible causes Info key is pressed) ERR 01 NO SENSOR Sensor error Device type not assigned Defective sensor Sensor not connected Break in sensor cable ERR 02 WRONG SENSOR Wrong sensor ERR 04 SENSOR FAILURE Failure in sensor...
  • Page 159 Error Messages Info text Problem Error (is displayed in case of fault when the Possible causes Info key is pressed) ERR 59 INVALID CALCULATION Invalid calculations ERR 60 OUTPUT LOAD Load error ERR 61 OUTPUT 1 TOO LOW Output current 1 <...
  • Page 160 Error Messages Info text Problem Error (is displayed in case of fault when Possible causes the Info key is pressed) ERR 95 SYSTEM ERROR System error Restart required. If error still persists, send in the device for repair. ERR 96 WRONG MODULE Module does not correspond to measuring function Correct the setting in the...
  • Page 161 Error Messages Info text Problem Error (is displayed in case of fault when Possible causes the Info key is pressed) ERR 104 INVALID PARAMETER Configuration error CONTROLLER Controller ERR 105 INVALID SPAN I-INPUT Configuration error Current input ERR 106 INVALID CHANNEL SELECTION Cond-Cond: Out1/Out2 channel OUT1/2 not assigned (disabled) ERR 107 INVALID CHANNEL SELECTION...

  • Page 162: Sensocheck And Sensoface

    Sensocheck and Sensoface Sensocheck, Sensoface Sensor Monitoring Sensocheck continuously monitors the sensor and its wiring. The three Sensoface indicators provide information on required maintenance of the sensor. Additional icons refer to the error cause. Pressing the info key shows an information text. Note: The worsening of a Sensoface criterion leads to the devaluation of the Sensoface indicator (Smiley gets “sad”).

  • Page 163: Operating States

    Operating States Operating status Measure DIAG 60 s HOLD CONF SERVICE SERVICE OUT 1 SERVICE OUT 2 SERVICE RELAIS SERVICE (CODES, DEVICE TYPE; OPTION) Cleaning function Explanation: as configured (Last/Fix or Last/Off ) active manual...

  • Page 164: Product Range

    Product Range Devices (basic digital devices) Order No. Stratos Evo A402N A402N Stratos Evo A402B (operation in hazardous locations, Zone 2) A402B Interchangeable modules for measurement with analog sensors or 2nd Memosens channel MK-PH015N MK-OXY045N Cond MK-COND025N CondI MK-CONDI035N Cond-Cond MK-CC065N 2nd Memosens channel MK-MS095N...
  • Page 165 Order No. Pipe-mount kit ZU 0274 Panel-mount kit ZU 0738 Protective hood ZU 0737 M12 socket for sensor connection ZU 0860 with Memosens cable / M12 connector Up-to-date information: www.knick.de Phone: +49 30 80191-0 Fax: +49 30 80191-200 Email: info@knick.de...

  • Page 166: Specifications

    Specifications Cond “Device Type” Cond Sensor input, Memosens conductivity sensors digital 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 0.000 ... 9.999 mS/cm 00.00 ... 99.99 mS/cm 000.0 ... 999.9 mS/cm 0.000 ...
  • Page 167 Specifications Cond Sensocheck Polarization detection Delay Approx. 30 s Sensoface Provides information on the sensor condition Sensor monitor Direct display of measured values from sensor for validation (resistance/temperature) * User-defined...
  • Page 168 Specifications “Device Type” CondI Sensor input, Digital toroidal conductivity sensors (SE 670 / SE680-K/SE680-M/Memosens) digital Measuring range Conductivity 0.000 ... 1999 mS/cm Concentration 0.00 ... 100.0 wt% Salinity 0.0 ... 45.0 ‰ (0 ... 35 °C / +32 ... +86 °F) Measuring ranges Conductivity 000.0 ...
  • Page 169 Specifications Sensor – Input of cell factor with simultaneous display of conductivity/temperature standardization – Input of conductivity of calibration solution with simultaneous display of cell factor and temperature – Product calibration – Zero adjustment – Installation factor – Temp probe adjustment (10 K) Permissible cell factor 00.100 ...
  • Page 170 Specifications Cond Cond COND inputs A/B Two inputs for two 2-electrode sensors Measuring range 0 … 30,000 µS • c Display ranges Conductivity 0.000 ... 9.999 mS/cm 00.00 ... 99.99 mS/cm 000.0 ... 999.9 mS/cm 0000 ... 9999 µS/cm 00.00 … 99.99 MΩ cm Response time (T90) Approx.
  • Page 171 Specifications I input 4 ... 20 mA / 50 Ω (SW-A005) Function Input of pressure or temperature values from external sensors Resolution Approx. 0.05 mA Characteristic Linear, bilinear, logarithmic Measurement error < 1% current value + 0.1 mA Door contact outputs a signal when the door is open Entry to extended logbook (FDA) HOLD input...
  • Page 172 Specifications Power Out Power output, e.g., for supplying additional transmitters or relay contacts (signal evaluation via I input) Power supply Selectable between 3.1 V / 12 V / 15 V / 24 V, short-circuit-proof Power max. 1 W Alarm contact Relay contact, floating Contact ratings AC <...
  • Page 173 Specifications Real-time clock Different time and date formats selectable Power reserve > 5 days Display LC display, 7-segment with icons, colored backlighting Primary display Character height approx. 22 mm Unit symbols approx. 14 mm Secondary display Character height approx. 10 mm Text line 14 characters, 14 segments Sensoface...
  • Page 174 Parameters, calibration data, logbook > 10 years (EEPROM) Electrical safety Protection against electric shock by protective separation of all extra-low-voltage circuits against mains according to EN 61010-1 Explosion protection See Control Drawing or www.knick.de A402B EN 61326 Emitted interference Class B (residential environment)
  • Page 175 Specifications...

  • Page 176: Calibration Solutions

    Calibration Solutions Potassium Chloride Solutions (Conductivity in mS/cm) Temperature Concentration [˚C] 0.01 mol/l 0.1 mol/l 1 mol/l Data source: K. H. Hellwege (Editor), H. Landolt, R. Börnstein: Zahlenwerte und Funktionen ..., volume 2, part. volume 6...
  • Page 177 Calibration Solutions Sodium Chloride Solutions (Conductivity in mS/cm) Temperature Concentration [˚C] 0.01 mol/l 0.1 mol/l Saturated Data source: Test solutions calculated according to DIN IEC 746-3 Data source: K. H. Hellwege (Editor), H. Landolt, R. Börnstein: Zahlenwerte und Funktionen ..., volume 2, part.

  • Page 178: Concentration Measurement

    Concentration Measurement Measuring Ranges (01 ... 11) Substance Concentration ranges NaCl 0-26 wt% (0 °C / +32 °F) 0-26 wt% (+100 °C / +212 °F) Configuration -01- 0-18 wt% (–20 °C / –4 °F) 22-39 wt% (–20 °C / –4 °F) 0-18 wt% (+50 °C / +122 °F) 22-39 wt% (+50 °C / +122 °F) -02-...

  • Page 179: Concentration Curves

    Concentration Curves -01- Sodium chloride solution NaCl -01- c [% by wt] Concentration measurement not possible in this range. Conductivity versus substance concentration and process temperature for sodium chloride solution (NaCl)
  • Page 180 Concentration Curves -02- Hydrochloric acid HCl -07- -02- -07- c [% by wt] Concentration measurement not possible in this range. Conductivity versus substance concentration and process temperature for hydro- chloric acid (HCl) Source: Haase/Sauermann/Dücker; Z. phys. Chem. New Edition, Vol. 47 (1965)
  • Page 181 Concentration Curves -03- Sodium hydroxide solution NaOH -10- -03- -10- c [% by wt] Concentration measurement not possible in this range. Conductivity versus substance concentration and process temperature for sodium hydroxide solution (NaOH)
  • Page 182 Concentration Curves -04- Sulfuric acid H -06- -09- -04- -06- -09- c [% by wt] Concentration measurement not possible in this range. Conductivity versus substance concentration and process temperature for sulfuric acid (H Source: Darling; Journal of Chemical and Engineering Data; Vol.9 No.3, July 1964...
  • Page 183 Concentration Curves -05- Nitric acid HNO -08- -08- -05- c [% by wt] Concentration measurement not possible in this range. Conductivity versus substance concentration and process temperature for nitric acid (HN0 Source: Haase/Sauermann/Dücker; Z. phys. Chem. New Edition, Vol. 47 (1965)
  • Page 184 Concentration Curves • SO -11- Oleum H Conductivity [mS/cm] 120 °C 100 °C 85 °C 70 °C 55 °C 40 °C 25 °C 10 °C c [% by wt]...

  • Page 185: Index

    Index Accessories 165 Activate Sensocheck 109 AIR-SET calibration 141 Alarm, contact characteristics 109 Alarm, CONTROL input 110 Alarm, delay 108 Alarm, description 52 Alarm, flow monitoring 110 Alarm, Sensocheck 109 Ambulance TAN if passcode is lost 155 Application example 11 Application in hazardous locations 18 Assembly 12 Assigning measured values, current start/end 93...
  • Page 186 Index Concentration measurement, ranges 178 Concentration solution, configuration (Cond) 60 Concentration solution, configuration (CondI) 74 Cond, calibration 134 Cond-Cond, calculating the pH value 83 Cond-Cond configuration 84 Cond-Cond Wiring Examples 41 Cond, configuration 60 CondI, calibration 140 CondI, configuration 72 CondI wiring examples 35 Cond, logarithmic curve of output current 94 Cond wiring examples 25...
  • Page 187 Index Control inputs 9 Controller characteristic 121 Controller equations 122 Controller output/setpoint, display 146 Current output, configuration 92 Current start/end, assigning measured values 93 Data logger, description 8 Data logger, viewing entries 150 Date and time, usage 131 Date, display 143 Date, setting 130 Device self-test 149 Device start blocked 156...
  • Page 188 Index EEPROM test, device self-test 149 Enclosure components 12 ERR 158 Error and HOLD, output current 100 Error messages 158 Error messages, configure output current 101 EU Declarations of Conformity 6 Extended logbook (via TAN) 150 Factory setting, reset 155 FIRMW UPDATE 156 FLASH test 149 FLOW 107...
  • Page 189 Index Keypad 45 Limit value 1, relay 112 Limit value 2, relay 116 Logarithmic curve of output current 96 Logbook 150 MAIN DISPLAY 47 Measured values, display 151 Measuring function (device type) 155 Measuring mode 143 Measuring mode, general 44 Measuring module, conductivity (Cond) 24 Measuring module, conductivity (CondI) 33 Measuring module, dual conductivity 40...
  • Page 190 Index Module test 149 Monitoring function for device type CC 162 Monitoring the sensor lines 90 Monitoring the temperature probe 109 Mounting accessories 13 Mounting accessories, product range 165 Mounting plan 13 Neutral zone, controller 121 Operating error FIRMW UPDATE 156 Operating mode, selection 49 Operating modes, overview 53 Operating modes, short description 50...
  • Page 191 Index Passcodes, assigning and editing 155 PFC, pulse frequency controller 123 pH value calculation 83 PID controller and behavior during HOLD 123 PID controller, configuration 124 PID controller, description 121 Pipe mounting 14 Pipe-mount kit 14 PLC, pulse length controller 123 Potassium chloride solutions, table 176 POWER OUT, adjusting the output voltage 153 Power supply, connection 19...
  • Page 192 Index Safety instructions 6 Sensocheck, configuration 108 Sensocheck, description 162 Sensoface, configure output current 101 Sensoface, description 162 Sensoface messages, overview 161 Sensor connection, analog sensors 23 Sensor connection, Memosens 19 Sensor data, display 147 Sensor lines, monitoring 90 Sensor monitor, Service mode 153 Sensor replacement 58 Sensor verification (TAG, GROUP) 68, 78 Serial number, display 151...
  • Page 193 Index TAG, display 143 TAG of measuring point 131 TAG, sensor verification 69, 79 TAN options, activation 155 TAN options, overview 164 Tempcheck 108 Temperature compensation 102 Temperature measurement (Cond) 65 Temperature probe adjustment 138 Temperature probe, monitoring 109 Temperature probe selection (Cond) 65 Temperature unit 74 Terminal assignments 19 Terminal plate of conductivity module (Cond) 24...
  • Page 194 Notes...
  • Page 195 Notes...
  • Page 196 Knick Elektronische Messgeräte GmbH & Co. KG Beuckestraße 22 14163 Berlin Germany Phone: +49 30 80191-0 Fax: +49 30 80191-200 Web: www.knick.de Email: info@knick.de Stratos Evo A402: Conductivity Measurement 090881 TA-212.101-cd-KNE02 20170831 Software version: 1.x...

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