Knick Stratos Pro A2 CC Series User Manual
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Knick Stratos Pro A2 CC Series User Manual

Dual conductivity measurement
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Betriebsanleitung
Stratos®Pro
Aktuelle Produktinformation: www.knick.de
Latest Product Information: www.knick.de
Stratos Pro A2.. CC
Dual Conductivity
Stratos Pro A2... pH
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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Summary of Contents for Knick Stratos Pro A2 CC Series

  • Page 1 II 1G Ex ia IIC Stratos Pro A2.. CC Dual Conductivity User Manual Betriebsanleitung Stratos Pro A2... pH Stratos®Pro 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 2 Return of Products, Disposal Return of products 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 3: 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 4: Table Of Contents

    Contents Documents Supplied ..............3 Introduction ..................7 Intended Use ..................7 Safety Information ................. 8 Overview of Stratos Pro A2... CC ..........9 Assembly ..................10 Package Contents ................10 Mounting Plan, Dimensions ............11 Pipe Mounting, Protective Hood ..........12 Panel Mounting ..................13 Installation ..................14 Installation Instructions ..............14 Rating Plates / Terminal Assignments ........15...
  • Page 5 Contents Configuration (Template for Copy) ...........40 Configuring Sensors A, B ..............42 Current Output 1 ................46 Current Output 2 ................54 CONTROL input ..................56 Alarm Settings ..................58 Time and Date ..................60 Measuring Points (TAG, GROUP) ..........60 Sensor Verification (TAG, GROUP) ..........61 Calibration ..................62 Calibration by Input of Cell Factor ..........63 Measurement ................64 Diagnostics ..................65...
  • Page 6 Contents...

  • Page 7: Introduction

    Introduction Intended Use Stratos Pro A2... CC is a 2-wire device for two-channel measurement of electrical conductivity and temperature in liquids. The device has been designed for measurements before and after cation exchangers using commercial 2- and 4-electrode sensors. Different parameters can be calculated from the two conductivity values, e.g.

  • Page 8: Safety Information

    Safety Information Safety information – Be sure to read and observe the following instructions! The device has been manufactured using state of the art technology and it complies with applicable safety regulations. When operating the device, certain conditions may nevertheless lead to danger for the operator or damage to the device.

  • Page 9: Overview Of Stratos Pro A2

    Overview Overview of Stratos Pro A2... CC Output 1 input Output 2 RS 485 Current input HOLD input CONTROL input...

  • Page 10: Assembly

    Assembly 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 (see page 3) Fig.: Assembling the enclosure 1) Jumper (3 x) 6) Sealing insert (1 x) 2) Washer (1 x), for conduit 7) Rubber reducer (1 x)

  • Page 11: Mounting Plan, Dimensions

    Assembly Mounting Plan, Dimensions 1) Cable gland (3 x) 2) Knockouts for cable gland or ½” conduit, 21.5 mm dia. (2 knockouts) Conduit couplings not included! 3) Knockout for pipe mounting (4 x) 4) Knockout for wall mounting (2 x) Fig.: Mounting plan (All dimensions in mm!)

  • Page 12: Pipe Mounting, Protective Hood

    Assembly Pipe Mounting, Protective Hood ø40...ø60 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.: ZU 0274 pipe-mount kit (All dimensions in mm!) Fig.: ZU 0737 protective hood for wall and pipe mounting (All dimensions in mm!)

  • Page 13: Panel Mounting

    Assembly Panel Mounting <30 1) Circumferential sealing (1 x) 2) Screw (4 x) 3) Position of control panel 4) Span piece (4 x) 5) Threaded sleeve (4 x) Cutout 138 x 138 mm (DIN 43700) 1...22 Fig.: ZU 0738 panel-mount kit (All dimensions in mm!)

  • Page 14: Installation

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

  • Page 15: Rating Plates / Terminal Assignments

    Installation Rating Plates / Terminal Assignments Fig.: Terminal assignments of Stratos Pro A2... Fig.: Stratos Pro A2...N rating plate at outside bottom of front...

  • Page 16: Wiring Of Stratos Pro A2

    Installation Wiring of Stratos Pro A2... CC Sensor connection MK-CC module Areas for placing the screwdriver to pull out the terminals HART Terminal row 1 Terminal row 2 In addition: 2 HART pins (between terminal row 1 and 2) Fig.: Terminals, device opened, back of front unit...

  • Page 17: Wiring Examples

    Wiring Examples Example 1: Measuring task: Dual conductivity, temperature Sensors (principle): 2 electrodes, coaxial...
  • Page 18 Wiring Examples Example 2: Measuring task: Dual conductivity, temperature Sensors: SE 604, 2 electrodes...
  • Page 19 Wiring Examples Example 3: Measuring task: Dual conductivity, temperature Sensors: SE 610, 2 electrodes...

  • Page 20: User Interface, Keypad

    User Interface, Keypad MEMO SENS 1 Display 2 Keypad 3 Rating plate (enclosure bottom) Function meas • Return to last menu level • Directly to measuring mode (press > 2 s) • Measuring mode: other display info • Retrieve information •...

  • Page 21: Display

    Display MEMO SENS 1 Temperature 13 Info available 2 Sensocheck 14 Hold mode active 3 Interval/response time 15 Main display 4 Sensor data 16 Secondary display 5 Not used 17 Proceed using enter 6 Limit message: 18 Not used Limit 1 or Limit 2 19 Diagnostics 7 Alarm...

  • Page 22: Measuring Mode

    Measuring Mode After the operating voltage has been connected and the sensor identi- fied, the analyzer automatically goes to “Measuring“ mode. To call the measuring mode from another operating mode (e.g. Diagnostics, Service): Hold meas key depressed (> 2 s). Display active Sensoface indicator measuring...

  • Page 23: Selecting The Mode / Entering Values

    Selecting the Mode / Entering Values To select the operating mode: 1) Hold meas key depressed (> 2 s) (directly to 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...
  • Page 24 Display in Measuring Mode The MAIN DISPLAY is the display which is shown in measuring mode. To call the measuring 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 25: 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 management messages for predictive diagnostics –...

  • Page 26: Operating Modes

    Operating Modes Diagnostics Display of calibration data, display of sensor data, 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 27 Operating Modes / Functions TAG display CLK display Meas. mode (if configured) (main display 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 28: Hold Mode

    HOLD Mode The HOLD mode is a safety mode during configuration, calibration, and servicing. Output current is frozen (LAST) or set to a fixed value (FIX). The HOLD mode is indicated by orange display backlighting. HOLD mode, display icon: Output signal response •...

  • Page 29: Alarm

    Alarm External activation of HOLD (SW-A005) The HOLD mode can be activated from outside by sending a signal to the Hold input (e.g. from the process control system). Power supply 12...24 V AC/DC HOLD input Stratos Pro A2... Process control system HOLD inactive 0...2 V AC/DC HOLD active...

  • Page 30: Alarm And Hold Messages

    Alarm and HOLD Messages Message Released by Cause Alarm Sensocheck Polarization / Cable (22 mA) Error messages Flow (CONTROL input) Alarm Flow (current input) contact ERR A / ERR B: conductance > 250,000 µS opens ERR A / ERR B: conductivity > 10,000 µS/cm HOLD HOLD HOLD via menu or input...

  • Page 31: Overview Of Configuration

    Overview of Configuration The configuration steps are assigned to different menu groups. Using  and  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 ...

  • Page 32: Setup And Channel Selection On The Device

    Setup and Channel Selection on the Device 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...

  • Page 33: Calculations (Calc)

    Calculations (CALC) 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 After replacement of the ion exchanger...
  • Page 34 Calculations (CALC) PARAMETER W, A, B specifiable -C9- 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 it can be switched to the current outputs.

  • Page 35: Calculating The Ph Value By Means Of Dual Conductivity Measurement

    pH Value Calculation 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 conductance is measured before and after the cation exchanger.
  • Page 36 Configuration Configuration Choices Default (this setting applies to both channels, A and B) (Selected in text line) -C9- ALCALISING 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 37 Configuration Configuration Choices Default 1) The cell constant can be modified by an entry in the configuration menu or by cal- ibration (one storage position). This means, a cell constant determined by calibra- tion is taken over by pressing enter during configuration. It remains unchanged until a new value is entered.
  • Page 38 Configuration Configuration Choices Default Output 1 (OUT1) CHANNEL OUTPUT BEGIN 4 mA END 20 mA BiLIN BEGIN 4 mA END 20 mA CORNER X Input range: selected CHANNEL Vertex X : BEGIN ≤ CORNER X ≤ END (rising) BEGIN ≥ CORNER X ≥ END (falling) CORNER Y Input range: selected CHANNEL Default: 12 mA...
  • Page 39 Configuration Control input (CNTR_IN) 12000 0 ... 20000 pulses/liter pulses/liter Alarm (ALARM) These menu items appear only if selected. LIMIT I-IN can be used to measure and monitor the current input (e.g. flow). For monitoring, you can enter a setpoint at which an alarm message is released: "ERR 71 LIMIT I-INPUT“...

  • Page 40: Configuration (Template For Copy)

    Configuration (Template for Copy) Parameter Setting S_A: Cell factor A S_A: Temperature compensation A S_B: Cell factor B S_B: Temperature compensation B MEAS: Measuring range MEAS: Temperature unit MEAS: Calculation MEAS: Coefficient C (for variable pH only, -C7-) MEAS: Factor F1 (for variable pH only, -C7-) MEAS: Factor F2 (for variable pH only, -C7-) MEAS: Factor F3 (for variable pH only, -C7-) MEAS: Parameter W (for USER SPEC only, -C8-)
  • Page 41 Configuration (Template for Copy) Parameter Setting OT2: Filter time OT2: FAIL 22 mA (error messages) OT2: FACE 22 mA (Sensoface messages) OT2: HOLD mode OT2: HOLD FIX current IN: Level or flow IN: (Flow meter) Adjusting pulses/liter ALA: Delay ALA: Sensocheck on/off ALA: Flow control FLOW CNTR on/off ALA: Minimum flow (hysteresis fixed at 5 %) ALA: Maximum flow (hysteresis fixed at 5 %)

  • Page 42: Configuring Sensors A, B

    Configuration Configuring Sensors A, B Specifying cell factor, selecting temperature compensation 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select SENSOR_A menu using  keys, press enter. 4) All items of this menu group are indicated by the “S_A:”...
  • Page 43 Configuration Menu item Action Choices Sensor A Select SENSOR_A menu using  keys, press enter. Enter cell factor Modify digit using  keys, Sensor A select next digit using  keys. Press enter to confirm. Temp compensation Select using  keys. Press enter to confirm.
  • Page 44 Configuration Measuring Range, Calculation of Output Parameters 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select MEAS MODE menu using  keys, press enter. 4) All items of this menu group are indicated by the “MES:” code. Press enter to select menu, edit using arrow keys (see next page).
  • Page 45 Configuration Menu item Action Choices Range (resolution) Select using  keys. Press enter to confirm. Temperature unit Select °C or °F using  keys. Press enter to confirm. Calculation Select using  keys. Press enter to confirm. Calculation type Select desired calculation type using ...

  • Page 46: Current Output 1

    Configuration Current Output 1 Process variable. Current start. Current end. 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select OUT1 menu using  keys, press enter. 4) All items of this menu group are indicated by the “OT1:”...
  • Page 47 Configuration Menu item Action Choices Process variable Select using  keys: Cond: Conductivity TMP: Temperature CALC: Calculation Press enter to confirm. Current start As selected for process Modify digit using  variable/range keys, If the adjusted range is select next digit using exceeded, the device ...
  • Page 48 Configuration Current Output 1 Output current curve 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select OUT1 menu using  keys, press enter. 4) All items of this menu group are indicated by the “OT1:” code. Press enter to select menu, edit using arrow keys (see next page).
  • Page 49 Configuration Menu item Action Choices Output current Select using  keys. Linear curve Press enter to confirm. curve biLIN Bilinear curve Current start Entered value applies to Enter value using  selected process variable/  keys. and current end range If the adjusted range is exceeded, the device Press enter to confirm.
  • Page 50 Configuration Current Output 1 Adjusting time interval of output filter 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select OUT1 menu using  keys, press enter. 4) All items of this menu group are indicated by the “OT1:”...
  • Page 51 Configuration Menu item Action Choices 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 52 Configuration Current Output 1 Output current during Error and HOLD 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select OUT1 menu using  keys, press enter. 4) All items of this menu group are indicated by the “OT1:”...
  • Page 53 Configuration Menu item Action Choices Output current during Select ON (22 mA for error message) or OFF using error message  keys. Press enter to confirm. Output current during Select ON or OFF using ON/OFF  keys. Sensoface messages Confirm by pressing enter OT1: FACE 22 mA Output current during LAST: During HOLD the...

  • Page 54: Current Output 2

    Configuration Current Output 2 Output current range. Process variable. 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select OUT2 menu using  keys, press enter. 4) All items of this menu group are indicated by the “OT2:”...
  • Page 55 Configuration Menu item Action Choices Process variable Select using  keys: Cond: Conductivity TMP: Temperature Press enter to confirm. All the following adjustments are made as for current output 1 (see there)!

  • Page 56: Control Input

    Configuration CONTROL input Flow measurement 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select CNTR_IN menu using  keys, press enter. 4) All items of this menu group are indicated by the “IN:” code. Press enter to select menu, edit using arrow keys (see next page).
  • Page 57 Configuration Menu item Action Choices Select function of Level Select using  keys. Flow (for connecting a Press enter to confirm. CONTROL input pulse-output flow meter) Adjust to flow meter With “Flow” selected, 12000 pulses/liter you must adjust the device to the flow meter used.

  • Page 58: Alarm Settings

    Configuration Alarm Settings Delay. Sensocheck. 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select ALARM menu using  keys, press enter. 4) All items of this menu group are indicated by the “ALA:” code. Press enter to select menu, edit using arrow keys (see next page).
  • Page 59 Configuration Menu item Action Choices Delay Enter value using   keys. Press enter to confirm. Sensocheck Select Sensocheck (con- tinuous monitoring of sensor). Select ON or OFF using  keys. Press enter to confirm. CONTROL input The CONTROL input can generate an alarm depending on its assign- ment in the CONF menu:...

  • Page 60: Time And Date

    Configuration Time and Date Measuring Points (TAG/GROUP) 1) Press menu key. 2) Select CONF using  keys, press enter. 3) Select CLOCK or TAG using  keys, press enter. 4) All items of this menu group are indicated by the “CLK:” or “TAG” code. Press enter to select menu, edit using arrow keys (see next page).

  • Page 61: Sensor Verification (Tag, Group)

    Configuration 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. In addition, the logbook entries (cf Diagnostics) are provided with a time stamp.

  • Page 62: Calibration

    Calibration Note: • All calibration procedures must be performed by trained person- nel. Incorrectly set parameters may go unnoticed, but change the measuring properties. Each sensor is calibrated separately by entering the cell factor.

  • Page 63: Calibration By Input Of Cell Factor

    Calibration by Input of Cell Factor You can directly enter the value for the cell factor of a sensor. This value must be known, i.e., determined beforehand in the laboratory, for example. The selected process variable and the temperature are displayed.

  • Page 64: Measurement

    Measurement Display Remark From the configuration or calibration menus, you can switch the device to measuring mode by pressing the meas key (> 2 sec). In the measuring mode the upper display line shows the configured process variable, the lower display line shows the time and the second configured process variable.

  • Page 65: Diagnostics

    Diagnostics (DIAG) Diagnostics In the Diagnostics mode you can access the following menus without interrupting the measurement: Viewing the calibration data Starting a device self-test Viewing the logbook entries Displaying currently measured values, incl. remaining capacity of the ion exchanger (if provided) Displaying device type, software version, serial number Access to diagnostics can be protected with a passcode (SERVICE menu).
  • Page 66 Diagnostics Menu item Remark Display of calibration data Select CALDATA using, press enter to confirm. Use thekeys to select the desired parameter from the bottom line of the display (LAST CAL CELL_A CELL_B). The selected parameter is shown in the main display. Press meas to return to measurement.
  • Page 67 Diagnostics Display Menu item Device self-test (To abort, you can press meas.) 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-- Proceed by pressing enter.
  • Page 68 Diagnostics Menu item Remark Display of logbook entries Select LOGBOOK using, press enter to confirm. Using 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 69 Diagnostics Display Remark Remaining capacity When calculating the consumption of the ion exchanger has been activated in the configuration, of the ion exchanger the sensor monitor shows the remaining capacity of the ion exchanger. Press meas to return to measurement. Version Here, you find the data you require for requesting a device-specific option.

  • Page 70: Service

    Service (SERVICE) A Service In the Service mode you can access the following menus: Displaying currently measured values Resetting the consumption calculation after replacement of ion exchanger Testing current output 1 Testing current output 2 Assigning and editing passcodes Resetting the device to factory settings Enabling options via TAN Note: HOLD is active during Service mode!
  • Page 71 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 display line. Display example: As the device is in HOLD mode, you can perform validations using simulators without influencing the signal outputs.
  • Page 72 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 manufac- turer specifying the serial number of your device.

  • Page 73: Operating States

    Operating states Operating States Operating status Measuring Diag 60 s CAL_CELL_A Cell factor CAL_CELL_B Cell factor HOLD input CONF 20 min SERVICE 20 min Explanation: as configured (Last/Fix) active...

  • Page 74: Supply Units And Connection

    Supply Units and Connection Recommended Power Supply Units: Order No.: Repeater power supply, non-Ex, 24 V DC, IsoAmp PWR B 10116 output 4...20 mA Repeater power supply, non-Ex, 24 V DC, IsoAmp PWR A 20100 HART, output 0/4...20 mA / 0...10 V Connection to Supply Units Supply unit 1 Supply unit 2...

  • Page 75: Product Line And Accessories

    Product Line and Accessories Order Code Stratos Pro A 2... Example 2-wire / 4-20 mA B,C,E Communication Without (HART retrofittable via TAN) 0 Version number Version Approvals General Safety ATEX / IECEx Zone 2 ATEX / IECEx / FM / CSA Zone 1 / Cl 1 Div 1 Measuring channel Memosens pH / Redox digital...

  • Page 76: Specifications

    Specifications COND inputs A/B 2 inputs for 2-electrode sensors Measuring range 2-el. sensors 0 … 30,000 µS · c 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 … 99.99 MΩ · cm Response time (T90) Approx.
  • Page 77 Specifications Sensor monitor Direct display of measured values from sensor for validation resistance / conductance / temperature Temperature input A/B Pt1000, 2-wire connection Measuring range -50 ... +200 °C / –58 ... +392 °F Resolution 0.1 °C / 0.1 °F 1,2,3) Measurement error 0.5 K (1 K >...
  • Page 78 Specifications Output 2 Current loop 4 ... 20 mA, floating, protected against inverse polarity Supply voltage 14 ... 30 V Process variable * Conductivity A/B, resistivity A/B, temperature A/B, or CALC Characteristic linear, bilinear Overrange * 22 mA in the case of error messages Output filter * filter, time constant 0 ...
  • Page 79 Specifications Service functions Sensor monitor Display of direct, uncorrected sensor signals Current source Current specifiable for output 1 and 2 (03.80 ... 22.00 mA) Data retention Parameters, calibration data, logbook > 10 years (EEPROM) EN 61326-1 (General Requirements) Emitted interference Class B (residential environment) Immunity to interference Industry EN 61326-2-3...

  • Page 80: Error Handling

    Error Handling Alarm condition: • The display backlighting turns red • The alarm icon is displayed • The complete measured-value display blinks • “ERR xxx“ is displayed in the lower menu line Press the [info] key to view a short error text: •...

  • Page 81: Error Messages

    Error Messages Info text Problem Error (is displayed in case of fault Possible causes when 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 WRONG MODULE Please have the module replaced...
  • Page 82 Error Messages Info text Problem (is displayed in case of Error Possible causes fault when the Info key is pressed) ERR 10 CONDUCTANCE TOO HIGH Conductance value out of range: > 250 mS (Channel A) ERR 40 (Channel B) ERR 11 Display range violation CONDUCTIVITY RANGE Cond >...

  • Page 83: Sensoface

    Sensoface (Sensocheck must have been activated during configuration.) The smiley in the display (Sensoface) alerts to sensor problems (defective sensor, defective cable, maintenance required). The permisible calibration ranges and the conditions for a friendly, neutral, or sad Sensoface are summarized in the following table. Additional icons refer to the error cause.
  • Page 84 Sensoface Display Problem Status Sensor defect Wrong or defective sensor, sig- nificant polarization of sensor or excessive cable capacitance (see also error message Err 15). Temperature Temperature outside measuring ranges Cell factor Cell factor < 0.005 cm channel A, B cell factor >...

  • Page 85: Fda 21 Cfr Part 11

    FDA 21 CFR Part 11 Conformity with FDA 21 CFR Part 11 In their directive “Title 21 Code of Federal Regulations, 21 CFR Part 11, Electronic Records; Electronic Signatures“ the American health agency FDA (Food and Drug Administration) regulates the production and processing of electronic documents for pharmaceutical devel- opment and production.

  • Page 86: Index

    Index Access code assignment 72 Access codes, table 92 Accessories 75 Alarm 29 Alarm and HOLD messages 30 Alarm settings 58 Ambulance TAN 72 Assembly 10 Audit Trail 85 Audit Trail, diagnostics 68 Autorange 47 Backlighting 21 Bilinear curve 49 Calculation of output parameters 44 Calculations (CALC) 33 Calibration 62...
  • Page 87 Index Control Drawings 3 CONTROL input 30 Current input 30 Current start/end 47 Date and time (configuration) 60 Date and time (usage) 61 Date, display 64 Device self-test 67 Device type, display 69 Diagnostics, calibration data 66 Diagnostics, device self-test 67 Diagnostics, general 26 Diagnostics, logbook 68 Diagnostics mode 65...
  • Page 88 Index GROUP (measuring points) 61 HOLD mode, description 28 HOLD mode, external activation 29 HOLD mode, manual activation 29 HOLD mode, output signal 28 HOLD mode, terminating 28 HOLD, output signal during HOLD 53 Info text 81 Installation 14 Intended use 7 Ion exchanger, calculations 33 Ion exchanger, resetting the consumption calculation 71 Keypad 20...
  • Page 89 Index Output current curve 48 Output current, fixed value 71 Output filter 50 Output signal during HOLD 28, 53 Overview 9 Package contents 10 Package contents, documentation 3 Panel mounting 13 Parameter error 80 Passcode assignment 72 Passcodes, table 92 pH value calculation 35 Pipe mounting 12 Point of measurement, arrangement (CC) 32...
  • Page 90 Index Sensor verification (TAG, GROUP) 61 Serial number, display 69 Service Releasing options 72 Service, factory setting 72 Service, general 26 Service mode 70 Service, new ion exchanger 71 Service passcode lost 72 Service, passcodes 72 Service, sensor monitor 71 Service, specifying current outputs 71 Signal colors 21 Software/hardware version, display 69...

  • Page 91: Trademarks

    The following names are registered trademarks. For practical reasons they are shown without trademark symbol in this manual. Stratos® Sensocheck® Sensoface® Memosens® is a registered trademark of Endress+Hauser Conducta GmbH and Knick Elektronische Messgeräte GmbH & Co. KG. HART® is a registered trademark of the HART Communication Foundation.

  • Page 92: Passcodes

    Configuration (CONF) 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 Pro A 2... CC: Dual Conductivity Measurement 090064 TA-212.165-KNE03 20170831 Software version: 2.x...

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