Knick Stratos MS A405 Series User Manual
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Knick Stratos MS A405 Series 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 MS A405
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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Summary of Contents for Knick Stratos MS A405 Series

  • Page 1 II 1G Ex ia IIC Stratos MS A405 User Manual Betriebsanleitung Stratos Pro A2... pH Conductivity Measurement Stratos®Pro 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 About This Manual .....................5 Documents Supplied ....................6 Introduction ..................7 Overview of the Stratos MS ............... 8 Package Contents .......................8 Mounting Accessories ....................9 Pipe Mounting, Protective Hood ............... 10 Panel Mounting ....................... 11 Terminal Assignments, Rating Plates..........12 Power Supply ......................
  • Page 4 Table of Contents Output Current: Error and HOLD ............... 44 Alarm Delay, Sensocheck, Tempcheck ............. 46 Temperature Compensation ................48 Relay Contacts: Function Assignment, Limit Values ........50 Relay Contacts: Limit Function, Hysteresis ............. 52 Relay Contacts: Alarm .................... 54 Relay Contacts: Controlling a Rinsing Probe ..........

  • Page 5: About This Manual

    About This Manual 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

    For connecting the cables, the enclosure provides • 3 knockouts for cable glands M20x1.5 • 2 knockouts for NPT 1/2” or rigid metallic conduit Memosens sensors and connecting cables Please visit our website for more information on our product range: www.knick.de.

  • Page 8: Overview Of The Stratos Ms

    Overview of the Stratos MS 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 9: Mounting Accessories

    Overview of the Stratos MS 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 10: Pipe Mounting, Protective Hood

    Overview of the Stratos MS 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.: Pipe-mount kit, accessory ZU 0274 Fig.: Protective hood for wall and pipe mounting, accessory ZU 0737...

  • Page 11: Panel Mounting

    Overview of the Stratos MS Panel Mounting 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) Fig.: Panel-mount kit, accessory ZU 0738 All dimensions in mm...

  • Page 12: Terminal Assignments, Rating Plates

    Overview of the Stratos MS Overview of the Stratos MS Memosens Output 1 RS 485 Output 2 HOLD Power input Terminal Assignments, Rating Plates The terminals are suitable for single or stranded wires up to 2.5 mm (AWG 14). Application in Hazardous Locations When using the device in a hazardous location, observe the specifications of the Control Drawing.

  • Page 13: Power Supply

    Overview of the Stratos MS Power Supply Connect the power supply for Stratos MS to terminals 21 and 22 (80 ... 230 V AC, 45 ... 65 Hz / 24 ... 60 V DC) Terminal assignments Memosens connection Brown Green Yellow White / Transp.

  • Page 14: Start-Up

    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 15: Memosens Cable

    Memosens Cable CA/MS-... Memosens Cable Brown Green Yellow White Transparent Specifications Material Cable diameter 6.3 mm Length up to 100 m Process temperature –20 °C … +135 °C / –4 … +275 °F Ingress protection IP 68 Order Codes Cable type Cable length Order number Ferrules 10 m 20 m M12 plug, 8-pin...

  • Page 16: Wiring Example Se 670 / Se 680

    Wiring Example SE 670 / SE 680 Cable types: M12/ferrules 10 m 20 m 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 17: Measuring Mode

    Operation Measuring Mode 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 (> 2 s). Sensoface indicator (sensor status) Time Display indicates OUT1:...

  • Page 18: The Keys And Their Functions

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

  • Page 19: The Display

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

  • Page 20: 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 primary value or tag number (TAG).

  • Page 21: 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 22: 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. HOLD Manual activation of HOLD mode, e.g., for replacing a sensor.

  • Page 23: Hold Mode

    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. HOLD mode, display icon: Output signal response • LAST: The output current is frozen at its last value. Recommended for short configuration procedures.

  • Page 24: Operating Modes / Functions

    Operating Modes / Functions Measuring TAG display CLK display mode (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. Press meas to return. ...
  • Page 25 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. Press enter to confirm/save the settings.

  • Page 26: Connecting A Memosens Sensor

    Connecting a Memosens Sensor Step Action/Display Remark When no Memosens sensor is connected, the error message “NO SENSOR” is displayed. Connect sensor Wait until the sensor data The hourglass in the display MEMO SENS blinks. are displayed. Check sensor data Sensoface is friendly when the SENS MEMO...

  • Page 27: Replacing A Sensor

    Replacing a 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 29: Configuration: Overview

    Configuration: Overview Configuration (default in bold print) Sensor Cond Cond MEAS MODE Conc % SAL ‰ Cond MEAS RANGE x.xxx μS/cm * xx.xx μS/cm * xxx.x μS/cm * xxxx μS/cm * x.xxx mS/cm xxxx mS/cm ** xx.xx mS/cm xxx.x mS/cm x.xxx S/m xx.xx S/m xx.xx MΩ...
  • Page 30 Configuration: Overview Configuration (default in bold print) Current output 1 Cond 4 ... 20 mA / 0 ... 20 mA RANGE COND / TMP CHANNEL 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 END 20 mA...
  • Page 31 Configuration: Overview Configuration (default in bold print) Alarm Delay 0 ... 600 s (0010 SEC) Relay 1 The following submenu depends on the selected setting. 0 ... 50 % full scale Relay 2 Default LIMIT / FUNCTION: Hi LEVL (other settings like Relay 1) Time/date 24 h / 12 h FORMAT...

  • Page 32: Device Type: Cond / Condi

    Configuration Device Type: Cond / CondI The device type is automatically selected upon first start-up. 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.
  • Page 33 Configuration Menu item Action Choices Select measuring mode Cond Select desired mode using Conc % keys. Sal ‰ Press enter to confirm. Select measuring range For cond measurement only x.xxx μS/cm, xx.xx μS/cm xxx.x μS/cm, xxxx μS/cm Select desired measuring range x.xxx mS/cm, xx.xx mS/cm xxx.x mS/cm, x.xxx S/m using keys.

  • Page 34: Sensor Verification (Tag, Group)

    Configuration Sensor Verification (TAG, GROUP) Press menu key. Select CONF using , press enter. Select SENSOR menu using  keys, press enter. All items of this menu group are indicated by the “SNS:” code. Press enter to select menu, edit using arrow keys (see next page). Confirm (and proceed) by pressing enter.
  • Page 35 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 36: Output Current: Range, Current Start/End

    Configuring the Current Output Output Current: Range, Current Start/End (Example: current output 1, device type Cond) Press menu key. Select CONF using , press enter. Select OUT1 menu using  keys, press enter. All items of this menu group are indicated by the “OT1:“ code.
  • Page 37 Configuring the Current Output Menu item Action Choices Current range Select 4-20 mA or 0-20 mA range using  keys. Press enter to confirm. Process variable Select using  keys. Cond: Conductivity TMP: Temperature Press enter to confirm. Then select characteristic (LIN/ biLIN/LOG).

  • Page 38: Output Current: Curve

    Configuring the Current Output Output Current: Curve Example: Current Output 1 Press menu key. Select CONF using , press enter. Select OUT1 menu using  keys, press enter. 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 39 Configuring the Current Output Menu item Action Choices Output current Select using  keys, confirm Linear characteristic by pressing enter curve biLIN Bilinear curve Logarithmic curve Current start Entered value applies to Enter value using   selected process variable/range. keys.

  • Page 40: Output Current: Logarithmic Curve

    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 41 Configuring the Current Output Menu item Action Choices Logarithmic curve Select using  keys, confirm Logarithmic curve by pressing enter Output current biLIN Bilinear curve Linear characteristic Start value Start value of logarithmic out- Enter value using   put curve keys.

  • Page 42: Output Current: Time Averaging Filter

    Configuring the Current Output Output Current: Time Averaging Filter Example: Current Output 1 Press menu key. Select CONF using , press enter. Select OUT1 menu using  keys, press enter. All items of this menu group are indicated by the “OT1:“ code.
  • Page 43 Configuring the Current Output 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 44: Output Current: Error And Hold

    Configuring the Current Output Output Current: Error and HOLD Example: Current output 1 Press menu key. Select CONF using , press enter. Select OUT1 menu using  keys, press enter. All items of this menu group are indicated by the “OT1:“ code.
  • Page 45 Configuring the Current Output Menu item Action Choices Output current during The output current can be set to OFF / ON 22 mA in the case of error mes- error message sages or error messages. Select ON or OFF using  keys.

  • Page 46: Alarm Delay, Sensocheck, Tempcheck

    Configuring the Alarm Alarm Delay, Sensocheck, Tempcheck Press menu key. Select CONF using , press enter. Select ALARM menu using  keys, press enter. 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 47 Configuring the Alarm Menu item Action Choices Alarm delay 0...600 SEC Enter value using   (10 SEC) keys. Press enter to confirm. Sensocheck Select Sensocheck (continuous ON/OFF monitoring of sensor membrane and lines). Select ON or OFF using  keys.

  • Page 48: Temperature Compensation

    Temperature Compensation Temperature Compensation Selecting the compensation method Press menu key. Select CONF using , press enter. Select CORRECTION menu using  keys, press enter. All items of this menu group are indicated by the “COR:“ code. Confirm (and proceed) by pressing enter. Exit: Press meas key until the [meas] mode indicator is displayed.
  • Page 49 Temperature Compensation Menu item Action Choices Temperature Select desired compensation using  keys: compensation OFF: Temperature compensa- tion switched off LIN: Linear temperature compensation with entry of temperature coefficient and reference temperature nLF: Temperature compensation for natural waters to EN 27888 NaCl, HCL, NH3, NaOH: Ultrapure water with traces of impurity...

  • Page 50: Relay Contacts: Function Assignment, Limit Values

    Configuring the Relay Contacts Relay Contacts: Function Assignment, Limit Values Press menu key. Select CONF using , press enter. Select RELAY1 menu using  keys, press enter. Specify relay contact function: LIMIT. All items of this menu group are indicated by the “LM1:“ code.
  • Page 51 Configuring the Relay Contacts Menu item Action Choices Use of relays Select in the text line using  keys: • Limit function (LIMITS) Note: The following submenu • Error message (ALARM) depends on the selected setting. • Rinse contact (WASH) Press enter to confirm.

  • Page 52: Relay Contacts: Limit Function, Hysteresis

    Configuring the Relay Contacts Relay Contacts: Limit Function, Hysteresis (Example: relay 1) Press menu key. Select CONF using , press enter. Select RELAY1 menu using  keys, press enter. Specify relay contact function: LIMIT. All items of this menu group are indicated by the “LM1:“ code.
  • Page 53 Configuring the Relay Contacts Menu item Action Choices Limit 1 hysteresis 0...50 % full scale Select hysteresis using   keys. Press enter to confirm. Limit 1 delay The contact is activated with delay (deactivated without delay) Adjust delay using   keys.

  • Page 54: Relay Contacts: Alarm

    Configuring the Relay Contacts Relay Contacts: Alarm (Example: relay 1) Press menu key. Select CONF using , press enter. Select RELAY1 menu using  keys, press enter. Specify relay contact function: ALARM. All items of this menu group are indicated by the “AL1:“ code.
  • Page 55 Configuring the Relay Contacts Menu item Action Choices Alarm Select error messages (FAIL) or Sensoface messages (FACE) as trigger signal using   keys. Press enter to confirm. Contact response N/O: normally open contact N/C: normally closed contact Select using  keys. Press enter to confirm.

  • Page 56: Relay Contacts: Controlling A Rinsing Probe

    Configuring the Relay Contacts Relay Contacts: Controlling a Rinsing Probe (Example: relay 1) Press menu key. Select CONF using , press enter. Select RELAY1 menu using  keys, press enter. Specify relay contact function: WASH. All items of this menu group are indicated by the “WS1:“ code.
  • Page 57 Configuring the Relay Contacts Menu item Action Choices Use of relays Select in the text line using  keys: • Limit function (LIMITS) Note: The following submenu • Error message (ALARM) depends on the selected • Rinse contact (WASH) setting. Press enter to confirm.

  • Page 58: 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 59 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 60: Time And Date, Measuring Point (Tag/Group)

    Configuring the Time/Date Time and Date, Measuring Point (TAG/GROUP) Press menu key. Select CONF using , press enter. Select CLOCK or TAG using  keys, press enter. 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 Configuring the Time/Date 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 63: Calibration

    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 64: 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 65 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 66: 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 67 Product Calibration Display Action Remark The device returns to mea- From the blinking suring mode. CAL 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 68: Temp Probe Adjustment

    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 69: Calibrating Toroidal Sensors

    Calibrating Toroidal Sensors CondI 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 70: Calibration By Input Of Cell Factor

    Calibration by Input of Cell Factor CondI 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 71: Zero Calibration

    Zero Calibration CondI 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 72: 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, Conc or tem- or AM/PM and °F: perature), the lower display line shows the time and the second configured process variable (Cond, Conc or temperature).

  • Page 73: Diagnostics

    Diagnostics In the Diagnostics mode you can access the following menus without interrupting the measurement: Viewing the calibration data Viewing the sensor data Starting a device self-test Viewing the logbook entries Displaying currently measured values Displaying device type, software version, serial number Access to diagnostics can be protected with a passcode (SERVICE menu).
  • Page 74 Diagnostics Display Menu item Displaying the calibration data Select CALDATA using, confirm by pressing enter. Use thekeys to select the desired parameter from the bottom line of the display (LAST_CAL / CELL / ZERO / INSTALL). The selected parameter is shown in the upper display line. Press meas to return to measurement.
  • Page 75 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 76 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 keys.
  • Page 77 Diagnostics Display Menu item Displaying the currently measured values (sensor monitor) Select MONITOR using, press enter to confirm. Use thekeys to select from the bottom line of the display. The selected parameter is shown in the upper display line. Press meas to return to measurement. Display examples: Display of sensor operating time Version...

  • Page 78: Service

    Service In the Service mode you can access the following menus: Displaying currently measured values Testing current output 1 Testing current output 2 Testing the relay function Assigning and editing passcodes Selecting the device type (pH, Oxy, Cond) Resetting the device to factory settings Note: HOLD is active during Service mode! Action...
  • Page 79 Service Menu item Remark Displaying currently measured values (sensor monitor) with HOLD mode activated: Select MONITOR using, press enter to confirm. Select the process variable in the bottom text line using. The selected parameter is shown in the upper display line. As the device is in HOLD mode, you can perform validations using simulators without influencing the signal outputs.
  • Page 80 Service Menu item Remark Setting the passcodes: In the “SERVICE - CODES“ menu you can assign passcodes 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“...

  • Page 81: Error Messages

    Error Messages Info text Problem Error (is displayed in case of fault when Possible causes the Info key is pressed) ERR 99 DEVICE FAILURE Error in factory settings EEPROM or RAM defective This error message only occurs in the case of a total defect. The device must be repaired and recalibrated at the factory.
  • Page 82 Error Messages Info text Problem Error (is displayed in case of fault when Possible causes the Info key is pressed) ERR 60 OUTPUT LOAD Load error ERR 61 OUTPUT 1 TOO LOW Output current 1 < 0 (3.8) mA ERR 62 OUTPUT 1 TOO HIGH Output current 1 >...

  • Page 83: 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 mainte- nance 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 84: Operating States

    Operating States Operating status Measure DIAG 60 s CONF SERVICE SERVICE OUT 1 SERVICE OUT 2 SERVICE RELAYS Cleaning function HOLD Explanation: as configured (Last/Fix or Last/Off ) active manual...

  • Page 85: Product Range

    Mounting accessories 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 86: Specifications

    Specifications COND input Memosens (terminals 1 … 4) Data In/Out Asynchronous interface, RS-485, 9600/19200 Bd Power supply Terminal 1: +3.08 V/10 mA, Ri < 1 ohm, short-circuit-proof Display ranges Conductivity 0.000 ... 9.999 µS/cm 00.00 ... 99.99 µS/cm 000.0 ... 999.9 µS/cm 0000 ...
  • Page 87 Specifications Sensor standardization Input of cell constant/cell factor with simultaneous display of selected process variable and temperature Input of conductivity of calibration solution with simultaneous display of cell constant/cell factor and temperature Product calibration for conductivity Temperature probe adjustment Zero calibration (CondI) Sensocheck Polarization detection Delay...
  • Page 88 Specifications HOLD input Galvanically separated (optocoupler) Function Switches device to HOLD mode Switching voltage 0 ... 2 V (AC/DC) HOLD inactive 10 ... 30 V (AC/DC) HOLD active Output 1 0/4 ... 20 mA, max. 10 V, floating (terminals 8 / 9, galvanically connected to output 2) Overrange * 22 mA in the case of error messages Characteristic...
  • Page 89 Specifications Relays 1 / 2 Two relay contacts, floating (terminals 14 / 15 / 16) Contact ratings AC < 250 V / < 3 A / < 750 VA DC < 30 V / < 3 A / < 90 W Usage Limit value Alarm...
  • Page 90 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 (A405B) EN 61326 Emitted interference Class B (residential environment)

  • Page 91: 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 92 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 93: Concentration Measurement

    Concentration Measurement Measuring Ranges Substance Concentration ranges NaCl 0-26 wt% (0 °C / +32 °F) 0-26 wt% (+100 °C / +212 °F) -01- Configuration 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- -07-...

  • Page 94: 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 95 Concentration Curves -02- Hydrochloric acid HCl -07- -07- -02- c [% by wt] Concentration measurement not possible in this range. Conductivity versus substance concentration and process temperature for hydrochloric acid (HCl) Source: Haase/Sauermann/Dücker; Z. phys. Chem. New Edition, Vol. 47 (1965)
  • Page 96 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 97 Concentration Curves -04- Sulfuric acid H -06- -09- -04- -09- -06- 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 98 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 99 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 100: Index

    Index Accessories 85 AIR-SET calibration 71 Alarm delay 46 Alarm, relay contacts 54 Ambulance TAN 80 Application in hazardous locations 12 Assembly 8 Assigning measured values, current start/end 37 Autorange 37 Backlighting 19 Bilinear curve 39 Buttons and functions 18 Cable glands 7 Cables for Memosens 15 CALDATA 74...
  • Page 101 Index Conductivity configuration 32 Configuration, alarm delay 46 Configuration, concentration solution 33 Configuration (Cond/CondI) 32 Configuration, current output 36 Configuration, measuring point (TAG/GROUP) 60 Configuration, menu structure 25 Configuration, output current 36 Configuration, overview 29 Configuration, relay contacts 50 Configuration, Sensocheck 46 Configuration, sensor verification (TAG, GROUP) 34 Configuration, Tempcheck 46 Configuration, temperature compensation 48...
  • Page 102 Index Diagnostics, version 77 Dimensions 9 Disabling Sensocheck 47 Display backlighting 19 Display, icons 19 Displaying the time/date 72 Display in measuring mode 20 Display, selecting the main display 20 Display test 75 Disposal 5 Documentation 6 EEPROM test 75 Enclosure components 8 Enclosure, mounting possibilities 7 ERR 81...
  • Page 103 Index Icons 19 Inductive conductivity measurement, calibration 69 Inductive loads, protective wiring of relay contacts 58 Info text 81 Installation, terminal assignments 13 Introduction 7 Keys and functions 18 Limit values (relay contacts) 50 Logarithmic curve of output current 40 Logarithmic curve, start and end values 41 LOGBOOK 76 Logbook entries, display 76...
  • Page 104 Index Operating mode, selection 21 Operating modes, overview 22 Operating states 84 Operation, general 17 Order codes 85 Output current, characteristic 38 Output current during Error and HOLD 44 Output current, fixed value 79 Output current, logarithmic curve 40 Output current, range 37 Output current, time averaging filter 42 Output filter, time interval 42 Output signal during HOLD (configuration) 45...
  • Page 105 Index RAM test 75 Rating plates 12 Relay 50 Relay contact delay 52 Relay contacts, alarm 54 Relay contacts, controlling a rinsing probe 56 Relay contacts, function assignment, limit values 50 Relay contacts, protective wiring 58 Relay test (manual test of contacts) 79 Replacing a Memosens sensor 27 Reset to factory settings 80 Return of products under warranty 5...
  • Page 106 Index Signal colors 19 Sodium chloride solutions, table 92 Software version, display 77 Specifications 86 Specifications, Memosens cable 15 Specific test report 6 Specifying the output current 79 Start and end values for logarithmic curve 41 Start-up 14 Switching characteristics (function) 50 Tag number, display 72 TAG of measuring point 61 Technical data 86...
  • Page 107 Index Zero calibration (CondI) 71 ZU 0274 pipe-mount kit 10 ZU 0737 protective hood 10 ZU 0738 panel-mount kit 11...
  • Page 108 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 MS A405: Conductivity Measurement 090902 TA-212.100-cd-KNE02 20170831 Software version: 1.x...

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