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Thermo Scientific Scientific AquaSensors DataStick User Manual

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Thermo Scientific AquaSensors
DataStick
System
User Guide
AV38
Local Display
4-20 mA relays
PLC
PDA
PC
SCADA
DCS
ProfiBus
MODBUS
PLC
DeviceNet
Measurement
™
interchangeable
communication
adapters
MODBUS
universal
USB/RS-232
sensor module
RS-485
™
interchangeable
sensor heads
Toroidal
Resistivity
Conductivity
Ozone
ORP
Dissolved
Oxygen
pH

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Summary of Contents for Thermo Scientific Scientific AquaSensors DataStick

  • Page 1 Thermo Scientific AquaSensors ™ DataStick Measurement ™ System User Guide interchangeable AV38 interchangeable communication Local Display 4-20 mA relays sensor heads adapters Toroidal MODBUS Resistivity universal USB/RS-232 SCADA Conductivity sensor module RS-485 Ozone ProfiBus Dissolved MODBUS Oxygen DeviceNet...
  • Page 2 ROSS and the COIL trade dress are trademarks of Thermo Fisher Scientific Inc. U.S. patent 6,793,787. AQUAfast, Cahn, ionplus, KNIpHE, No Cal, ORION, perpHect, PerpHecT, PerpHecTion, pHISA, pHuture, Pure Water, Sage, Sensing the Future, SensorLink, ROSS, ROSS Ultra, Sure-Flow, Titrator PLUS and TURBO2 are registered trademarks of Thermo Fisher. 1-888-pHAX-ION, A+, All in One, Aplus, AQUAsnap, AssuredAccuracy, AUTO-BAR, AUTO-CAL, AUTO DISPENSER, Auto-ID, AUTO-LOG, AUTO-READ, AUTO-STIR, Auto-Test, BOD AutoEZ, Cable-Free, CERTI-CAL, CISA, DataCOLLECT, DataPLUS, digital LogR, DirectCal, DuraProbe, Environmental Product Authority, Extra Easy/Extra Value, FAST QC, GAP, GLPcal, GLPcheck, GLPdoc, ISEasy, KAP, LabConnect, LogR, Low Maintenance Triode, Minimum...
  • Page 3 Preface This user guide serves to explain the use of the Thermo Scientific AquaSensors DataStick measurement system and is written to cover as many applications as possible. Please do not hesitate to contact Thermo Fisher Scientific or an authorized representative with questions or concerns.
  • Page 4 Safety Information The Thermo Scientific AquaSensors DataStick measurement system shall be installed and operated only in the manner specified. Only a skilled, trained or authorized person should carry out installation, setup and operation of the system. Before using the sensor, make sure that the sensor cable is connected as specified.

  • Page 5: Table Of Contents

    4.4.3 Toroidal Conductivity Calibration............................78 4.4.4 Toroidal Conductivity Maintenance ............................81 (PPM PPB) ...........................82 ISSOLVED XYGEN ZONE 4.5.1 Dissolved Oxygen / Ozone Interface Overview ........................82 4.5.2 Configuration of Dissolved Oxygen and Ozone Sensor Heads....................83 Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 6 Dissolved Oxygen and Ozone Sensor Head inspection.......................98 5.2.4 Contacting Conductivity Sensor Head inspection.........................98 5.2.5 Toroidal Conductivity Sensor Head inspection........................98 PROGRAMMING GUIDE - COMMANDS AND RESPONSES......................99 FREE CHLORINE CONCENTRATION CALCULATION ........................107 COMPLIANCE INFORMATION................................109 LIMITED WARRANTY..................................110 TERMS AND CONDITIONS ................................111 Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 7 Table 4: Concentration Vs Conductivity after Editing Table 5: Data Reporting Table 6: Change Measurement Configuration Settings Table 7: View Configuration Settings Table 8: Calibration Commands Table 9: Diagnostics and System Information Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 8: Introduction

    1 INTRODUCTION General Information Thank you for purchasing the Thermo Scientific AquaSensors DataStick Analytical Measurement System. This is a very robust and versatile product intended for continuous use in industrial applications and complies with safety regulations currently in force. Unique features include: •...

  • Page 9: Intended Use

    DataStick sensor heads are pre-calibrated and can be exchanged in the field to maintain accuracy. Thermo Fisher Scientific provides service to refurbish and calibrate used sensors and return them for service. Please call the factory to inquire about the program. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 10: Removal From Service / Correct Disposal Of The Sensor

    In the case of a screw terminal block, remove the black ground wire last. Remove the sensor from the mounting hardware. 1.5.2 Correct Disposal of Unit When the sensor is taken out of service, o bserve the local environmental regulations for correct disposal. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 11: Product Description

    ORP, dissolved oxygen, turbidity and ozone. New sensor parameters are continually being added to the DataStick family. Check with the factory for a complete list. Figure 1: Three Parts of the DataStick Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 12: Figure 2: The Universal Body

    DataStick system with the appropriate communications adapter. If local display and standard 4-20 milliamp data reporting is desired then the DataStick can be connected to Thermo Scientific AquaSensors AV38 Local display as shown in the upper left corner of Figure 3. The AV38 can work with multiple DataSticks running the Modbus protocol.

  • Page 13: Figure 4: Configured Analytical Measurements

    AV38 display or it can be networked directly to a computer system for measurement, calibration, configuration and diagnostics. Figure 5: Drinking Water Turbidity System Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 14: Figure 6: Datastick Interface Options

    CANopen PLC Tools CANopen Communications User guide Profibus DP V1 PLC with Profibus Network Profibus Gateway Tools Modbus/Profibus Gateway User guide Ethernet/IP Web connected Web ready Ethernet User guide Figure 7: Communications Adapter Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 15: Figure 8: Mounting Hardware Overview

    DataStick systems use 1-inch NPT threads for insertion and immersion applications. The threads on the back-body are used for submersion and Thermo Scientific AquaSensors Union Mount hardware and the front threads are used for insertion into standard plumbing tees. A variety of sanitary mounts are available with DataSticks that have a special retaining ring just below the hex flats. PEEK sensor ®...

  • Page 16: Installation

    PEEK® sensor heads with sanitary face seals should be used in sanitary applications along with stainless steel sensor bodies that have special mounting rings between the wrench flats and the NPT threads. We recommend the Thermo Scientific AquaSensors Union Mount hardware for applications where the sensor is removed more than once per week for calibration or maintenance.

  • Page 17: Pipe Tee Mounting

    The sensor head is pre-calibrated at the factory and should not require additional calibration on initial installation unless the DataStick has been in storage for more than two weeks. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 18: Union Mounting

    Inspect the O-ring on the union-mounting threaded flange for imperfections or particles of dirt that may prevent the O-ring seal from seating properly. Carefully insert the sensor into the Thermo Scientific AquaSensors union-mounting tee. Turning the retaining collar clockwise and hand tighten until snug. Be sure the pipe remains full when the sensor is installed.

  • Page 19: Immersion Mounting

    Connect the extension wires into the computer terminal block. 2. Mount: a. Secure the pipe assembly so that the sensor is fully immersed in the process. Handrail mounting hardware can be ordered from Thermo Fisher Scientific. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 20: Sanitary Tee Mounting

    Insert the sensor with the adapter into the branch of the tee; be sure the pipe remains full while installing to minimize trapped air. e. Install and tighten the sanitary clamp to retain the sensor and adapter in the tee. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 21 Insertion Mounting Hardware (Ball valve) The Thermo Scientific AquaSensors Insertion Mounting Hardware allows the DataStick measurement system to be inserted and extracted from a pressurized process line without stopping the flow in the pipe. The mounting hardware is available in user guide and air/water assisted units in both Stainless Steel and CPVC.

  • Page 22: Communications Adapter Wiring

    Tighten the retaining ring terminal block Part number. to lock down the adapter. 24 VDC (Type 2) Use a 15/16 inch (24mm) Ethernet RJ-45 PLC / Ladder Logic wrench. Rotate clockwise POE Standard to tighten. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 23: Datastick User Interface Options

    There are seven keys for menu navigation. The MENU key is used to toggle between the menu and the measure screen. Pressing the Menu key provides options for calibration, configuration, communications, outputs and relays. Refer to the AV38 User guide for Details. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 24: Aquacomm™ Windows Software

    Select NEW CONNECTION or OPEN CONNECTION to set up the port and protocol. When necessary, the station number, baud rate and parity will also be set. Thermo Scientific AquaSensors communcations adapters are preset for baud rate, parity and station number.
  • Page 25 • RS-485 MODBUS: Station address, baud rate, and parity. These ASCII commands can be used directly with network protocols like Modbus or DeviceNet but it is much more effective to use the standard maps for these protocols. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 26: Measurements

    Additional sensor types include turbidity, chlorine and others. Just plug them in and tighten the retaining ring. Sensor heads are available in different materials and with different electrode profiles. Conductivity Toroidal Ozone Turbidity Resistivity Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 27: Differential Ph Measurement

    Encapsulated Quad-Junction Product Number/ Allows ion exchange Serial Number to reference chamber. Removable Salt Bridge (Other bridge profiles, materials and salt formulas available). Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 28: Ph Interface Overview

    The AquaComm™ CONFIGURE functions can be accessed from a pull-down menu that automatically changes based on the sensor type connected to the DataStick. When a pH sensor is connected, settings for data filters, units of measure and buffer standards can be viewed or changed. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 29 Select BUFFER STANDARD from the Configuration pull-down menu to view or change the buffer standard that will be used as a reference for buffer calibrations. There are two pre-defined standards currently used with the DataStick system. The Thermo Scientific AquaSensors buffer standard is the default when the system is reset.
  • Page 30 To accept the change, click OK. To abort the change, click CANCEL. For pH sensors, the units of measure can be set to pH or millivolts. The default units are pH. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 31 STUNITS 0 Sensor data will be reported in °C STUNITS 1 Sensor data will be reported in °F All Set Commands will respond with “OK” if accepted and “ERROR” if not accepted Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 32: Ph Calibration

    Once the calibration has been initiated it will take between 30 seconds and 2 minutes depending on sensor and temperature measurement stability. During this period, the abort sequence can be initiated as shown with the active Abort button. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 33 Either Thermo Scientific AquaSensors pH standards or DIN pH standards can be selected from the configuration menu for this calibration method. This process allows calibration to be done without entering any numbers but requires that the buffer standards used for the calibration match the standard family that is selected in the configuration menu.
  • Page 34 Please note that the reading will not be adjusted after the first calibration point. Calibration changes will only take effect after both calibration points have been accepted. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 35 Exiting the calibration function will return the display to the measure screen. In this case the measured value of 4.01 pH confirms that the sensor calibration in 4.01 pH buffer solution was successful. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 36 Once the desired value for calibration is entered, the CALIBRATE button becomes active. Once the displayed sensor and temperature values are stable and near expected values, click the CALIBRATE button to initiate the calibration of the first sample point or click EXIT to return to the main measure screen. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 37 When the first calibration point is accepted, the status box will prompt the user to place the sensor in the second solution of known value. Wait until the sensor and temperature values are stable in the second solution. Enter the desired value and initiate calibration by clicking the CALIBRATE button. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 38 The status of the calibration can be reviewed with the CALSTATUS command. When the last number returned is a 1, the calibration is in process. When the last number returned is a 2, the calibration has been successful. Any other number indicates a specific failure mode (see appendix). Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 39 Once the calibration has been initiated it will take somewhere between 30 seconds and 2 minutes depending on sensor and temperature measurement stability. During this period, the abort sequence can be initiated as shown with the active ABORT button. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 40: Ph Sensor Diagnosis

    A number between 0 and –100 on the most-recent calibration Slope in mV/pH This command is available in DataStick firmware D3.22 or later. The DataStick firmware version can be obtained using the GCVSN command. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 41: Ph Sensor Maintenance

    Before returning the sensor to service, allow it to soak in water or buffer at ambient temperature for about an hour to stabilize. After cleaning the sensor, always calibrate the sensor head before installing in the process. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 42 15/16 wrench (24mm) and turning it counterclockwise. Dispose of the salt bridge using an approved method. Pour out the old reference filling solution. Rinse the reservoir with distilled or de-ionized water. Slowly fill the reservoir with Thermo Scientific AquaSensors Reference Filling Solution (P/N RCS02) so the solution just covers the reference O-ring.
  • Page 43 (O-ring included) Flat PEEK Salt Bridge ® SBS02 (O-ring included) Protected CPVC Salt Bridge SBS03 (O-ring included) Flat CPVC Salt Bridge SBS04 (O-ring included) pH Sensor Storage Solution SBS09 Protective Cap SBC01 Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 44: Differential Orp Measurement

    Units for temperature: °C (options include °F) • Sensor Filter: 1 Second (options include 0 to 100 seconds in 1 second increments) • Temperature Filter: 1 Second (options include 0 to 100 seconds in 1 second increments) Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 45: Orp Configuration

    If the sensor filter is set to 5 seconds, it will take 5 seconds to reach 90% of the final value when the reading changes. Measurements are averaged to reduce periodic variations. The default filter setting is 1 second and the maximum filter is 100 seconds. Use zero seconds for a completely unfiltered reading. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 46 4 . 2 . 2 . 4 T E M P E R A T U R E U N I T S Select TEMPERATURE UNITS from the Configuration pull-down menu to view or change units of measure. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 47: Orp Calibration

    When the 1-point sample method is chosen, the status box will prompt the user to enter the desired calibration value. Use calibration solutions with millivolt potentials that are similar to those used in the process measurement. Solutions of opposite polarity may react on the sensor electrode and cause it to foul. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 48 Once the calibration has been initiated it will take somewhere between 30 seconds and 2 minutes depending on sensor measurement stability. During this period, the abort sequence can be initiated as shown with the active ABORT button. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 49: Orp Sensor Maintenance

    Assure that the sensor body in compatible with the solvent. Protein deposits may be cleaned with a pepsin-based cleaning solution. Bacterial or mold growths may be removed with dilute chlorine bleach. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 50 15/16 wrench (24mm) and turning it counterclockwise. Dispose of the salt bridge using an approved method. Pour out the old reference filling solution. Rinse the reservoir with distilled or de-ionized water. Slowly fill the reservoir with Thermo Scientific AquaSensors Reference Filling Solution (P/N RCS02) so the solution just covers the reference O-ring.

  • Page 51: Orp Spare Parts

    When a contacting conductivity sensor head is installed in the DataStick, AquaComm™ will automatically display conductivity or resistively, temperature, sensor type and DataStick serial number. Pull-down menus will also automatically provide calibration, configuration and diagnostic choices for conductivity. Conductivity (Cell K = 1.0) Resistivity (Cell K = 0.1) Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 52: Configuration Of Contacting Conductivity Sensors

    It is also possible to manually adjust the cell constant of the connected sensor if a user guide adjustment of the measure value is desired. It is best to view the adjusted cell constant after performing a 1-point sample calibration. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 53 ASCII Commands to View Sensor and Temperature Filter Settings Function Command Response Explanation Get Sensor Filter GSFIL A number between 0 and 100. Number of seconds. Get Temp Filter GTFIL A number between 0 and 100. Number of seconds. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 54 Sensor data will be reported in ppm units Sensor data will be reported in MΩ·cm units Set to MΩ▪cm SSUNITS 3 All Set Commands will respond with “OK” if accepted and “ERROR” if not accepted Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 55 1.0 Cell for low range conductivity measurements, values can be changed from 0.5 to 1.5. It is important to clean the sensor electrodes in detergent that does not contain Lanolin or Aloe prior to calibration. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 56 Set conductivity temperature SCTCTYPE 2 The type of temperature compensation used will be None compensation type to None All Set Commands will respond with “OK” if accepted and “ERROR” if not accepted. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 57 The reference can be changed to any temperature between 0°C to 100°C with one-tenth degree resolution. Edit the reference temperature by typing a new value in the edit box and clicking OK. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 58 (except POINT 1) have zero, zero coordinates. Current entries can be viewed by scrolling up and down on the “Number” window. Table entries for specific chemicals are available from Thermo Fisher Scientific Customer Service on request. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 59: Table 1: 10 Point Conductivity Vs. Concentration Table

    POINTS 3 and 4 are added. To change point 2 from 20,000 μS/cm at 99.99%, to 20,000µS/cm at 50%, scroll to point 2 and place the cursor in the concentration coordinate window. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 60 Scroll to point 3 and replace the zero coordinates with 50,000µS/cm at 70% concentration. Then click on the STORE button to save point 3 to temporary memory. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 61 Once the table has been activated, use the EXIT button and return to the main measure menu. Table entries for specific chemicals are available from Thermo Fisher Scientific Customer Service on request. The table entries made in this example are shown in Table 2. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 62: Table 2: Concentration Vs Conductivity After Editing

    20,000 50,000 100,000 When the units of measure are set to “%” the conversion from conductivity to concentration will make use of the entered table and will present the readings as shown. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 63: Figure 9: The Inner Workings Of The User-Entered Concentration Table

    If fewer than ten points are entered, then the scratch table must be terminated with a last point containing zero values. Provided the above criteria are met, the points in the scratch table are transferred to the working table when the SUTBL command is used; otherwise the current working table is retained. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 64: Contacting Conductivity Calibration

    Suspend the sensor in dry air, away from surfaces. Be sure that the sensor body is dry by wiping it clean with a dry rag. For best results, wait for the sensor reading to reach a steady state. Initiate the zero calibration by clicking the CALIBRATE button. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 65 Exiting the calibration menu will return the user to the measure screen. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 66 Once the calibration has been initiated it will take between 30 seconds and 2 minutes depending on sensor and temperature measurement stability. During this period, the abort sequence can be initiated as shown with the active ABORT button. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 67: Contacting Conductivity Maintenance

    4.3.4 Contacting Conductivity Maintenance Contacting conductivity cells must be kept clean to maintain accuracy. Even a thin film of oil or mineral deposits on the electrodes can cause significant loss of span. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 68: Toroidal Conductivity

    When an ORP sensor head is installed in the DataStick, AquaComm™ will automatically display millivolts, temperature, sensor type and DataStick serial number. Pull-down menus will also automatically provide calibration, configuration and diagnostic choices for toroidal conductivity. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 69: Configuration Of Toroidal Sensors

    4 . 4 . 2 . 1 S E N S O R F I L T E R Select SENSOR FILTER from the Configuration pull-down menu to view or change the sensor filter constant. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 70 The toroidal sensor head has significant mass and although the temperature element is located as close to the process as possible, temperature readings can take up to 40 minutes to reach steady state when exposed to extreme temperature changes. This is important to note when calibrating the sensor. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 71 ASCII Commands to View Sensor units Function Command Response Explanation View Sensor Units GSUNITS Data reported in µS/cm units Data reported in % concentration Data reported in ppm (total dissolved solids) Data reported in MΩ·cm units Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 72 Sensor data will be reported in °C Set °F STUNITS 1 Sensor data will be reported in °F All Set Commands will respond with “OK” if accepted and “ERROR” if not accepted Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 73 The default reference temperature for conductivity is 25°C. The system will accept any number between 0 and 100 with up to one decimal place. Edit the reference temperature by typing a new value in the edit box and clicking OK. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 74 Where X is a number between 0 and 9.9. Units are in %/°C Set Reference SCRTEMP X Where X is a number between 0 and 100. Units are in °C All Set Commands will respond with “OK” if accepted and “ERROR” if not accepted Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 75: Table 3: 10 Point Conductivity Vs. Concentration Table

    Concentration (µS/cm) 20,000 99.99 The following example shows how to change and add data points to the table. In this case, POINT 2 is changed and POINTS 3 and 4 are added. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 76 If the point is what is intended, click the STORE button to save the point to temporary memory. Clicking REVERT will restore the point to what it was before editing was initiated. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 77 3 to temporary memory. Scroll to point 4 and replace the zero coordinates with 100,000 μS/cm at 97% concentration. Then click on the STORE button to save point 4 to temporary memory. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 78: Table 4: Concentration Vs Conductivity After Editing

    20,000 50,000 100,000 When the units of measure are set to “%” the conversion from conductivity to concentration will make use of the entered table and will present the readings as shown. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 79: Figure 10: The Inner Workings Of The User-Entered Concentration Table

    If fewer than ten points are entered, then the scratch table must be terminated with a last point containing zero values. Provided the above criteria are met, the points in the scratch table are transferred to the working table when the SUTBL command is used; otherwise the current working table is retained. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 80: Toroidal Conductivity Calibration

    For best results, wait for the sensor reading to reach a steady state. If the sensor is being calibrated for the first time, the reading may be as high as 100 μS/cm. In most situations however, the sensor will already have a zero calibration stored in it, which may require some periodic adjustment. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 81 Exiting the calibration menu will return the user to the measure screen. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 82 Once the desired value for calibration is entered, the CALIBRATE button becomes active. Once the displayed sensor and temperature values are stable and near expected values, click the CALIBRATE button to initiate the calibration or click EXIT to return to the main measure screen. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 83: Toroidal Conductivity Maintenance

    They must then be removed. All things being equal, deposits in the center bore are more important to remove than those on the outer part of the body. Use an appropriate chemical to remove the deposits on the cell and/or scrape the deposits off. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 84: Dissolved Oxygen (Ppm And Ppb) And Ozone

    Temperature Filter: 1 Second (options include 0 to 100 seconds in 1 second increments) • Salinity: 0 mS/cm (options from 0 to 999.9 mS/cm) • Atmospheric Pressure: 760 mmHg (options from 539.2 to 792.4 mmHg) Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 85: Configuration Of Dissolved Oxygen And Ozone Sensor Heads

    4 . 5 . 2 . 2 T E M P E R A T U R E F I L T E R Select TEMPERATURE FILTER from the Configuration pull-down menu to view or change the temperature filter constant. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 86 To abort the change, click CANCEL. For dissolved oxygen sensors, units of measure can be set to ppm or %. For special DO sensors, ppb units can also be selected. Consult the factory for details. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 87 Temperature can be displayed in °C or °F. Default units are °C. ASCII Commands to View Temperature units Function Command Response Explanation View Temperature Units GTUNITS Data reported in °C Data reported in °F Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 88 Select SALINITY from the configuration menu to view or change the salinity compensation for dissolved oxygen measurements. The default compensation slope is 0 mS/cm. The system will accept any number from 0 to 999.9 with up to one decimal place. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 89: Dissolved Oxygen Calibration

    Sensors are calibrated at the factory. When field calibrations are necessary, Air and 1-point sample calibrations are available. For DO sensors that have not been active for several hours, it may take up to 1 hour before the reading becomes stable and accurate. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 90 Once the calibration has been initiated it will take between 30 seconds and 2 minutes depending on sensor and temperature measurement stability. During this period, the abort sequence can be initiated as shown with the active ABORT button. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 91 Select AIR from the calibration menu to begin a dissolved oxygen air calibration. Hold the sensor in the air and wait for temperature and sensor readings to stabilize. Do not allow the sensor membrane to dry out. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 92 The status of the calibration can be reviewed with the CALSTATUS command. When the last number returned is a 1, the calibration is in process. When the last number returned is a 2, the calibration has been successful. Any other number indicates a specific failure mode (see appendix). Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 93: Dissolved Oxygen Maintenance

    All ASCII commands for measurement, calibration, configuration and diagnostics shown in Appendix 7 apply. For Drinking Water Turbidity Systems, an AV38 local interface is provided. Refer to the AquaClear™ Low-Range Turbidimeter User Guide (258483-001) for details. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 94: Drinking Water Turbidity

    Optical Head The Wide-Range Turbidity system can measure to 4000 NTU with a sophisticated series of light sources and detectors. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 95: Temperature Calibration

    Once the calibration has been initiated it will take about 30 seconds depending on temperature measurement stability. During this period, the abort sequence can be initiated as shown with the active Abort button. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 96 The status of the calibration can be reviewed with the CALSTATUS command. When the last number returned is a 1, the calibration is in process. When the last number returned is a 2, the calibration has been successful. Any other number indicates a specific failure mode (see appendix). Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 97: Diagnostics And Troubleshooting

    In this example we know that the sensor type has been properly detected and that configuration and calibration memory are valid. Most importantly, the run status of the DataStick is okay. Refer to the Programming Guide for specific diagnostic commands and responses. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 98: Troubleshooting

    Check that the temperature reading is correct. If it reads full-scale then the temperature element is open circuit. Check that the calibration solutions are correct. Fault not found: Refurbish or replace the sensor head. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 99: Ph Sensor Head Inspection

    Note: Any new sensor that has been in storage for more than a few days should be soaked in tap water or Thermo Scientific AquaSensors ORP Storage Solution for at least 30 minutes before reviewing the offset performance.

  • Page 100: Dissolved Oxygen And Ozone Sensor Head Inspection

    If measuring in %, make sure the concentration table entries make sense. • Temperature should read within 0.5 °C of the expected value When the sensor head is placed in storage, cap the metal electrodes to keep them clean and dry. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 101: Programming Guide - Commands And Responses

    RS-232 ASCII: 9600 Baud, 8 data bits, no parity, 1 stop bit. • RS-232 DF1: Selectable baud rate and parity using a Thermo Scientific AquaSensors software utility. • RS-485 MODBUS: Station address, baud rate, parity are selectable using a Thermo Scientific AquaSensors software utility.

  • Page 102: Table 6: Change Measurement Configuration Settings

    Conductivity Range: 0 to 2,000,000.0 Concentration Range: 0 to 99.99% Customized Entries must be monotonic When edits to all points are complete use SUTBL Concentration Table with increasing conductivities. SUTBL to activate the new table Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 103 X is the table entry (X = 0 through 9). Customized This table is designed to convert Concentration GUPNT X The values returned are: conductivity measurements to Table concentration. Up to 10 points. Conductivity in µS/cm Concentration in % Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 104 This will change the calibration. SCELL X Contacting Adjust Example: SCELL 1.0045 Conductivity Where: Cell Constant X = Desired cell constant This will change the cell constant and change the measurement. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 105 See below for Calibration Status details of the response codes. Sending this command with stop any calibration Abort Calibration CALABORT sequence currently in process and return the system to its original state. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 106 1 to 7 (Fail – Value too low), it indicates that the measured value is too close to zero for a calibration to take place. Take corrective action and repeat the procedure. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 107: Table 9: Diagnostics And System Information

    Get information on the exact For contacting conductivity: 0,1, 2. conductivity GSRNGE hardware settings being used gain ranges to condition the sensor data. For toroidal conductivity: 0, 1, 2, 3, 4, 5, 6, 7. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 108 0 or 1. Where X = 0 or 1 temperature. Returns the sensor slope based on the most- Sensor Slope GSSLOPE recent calibration in mV/pH. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 109: Free Chlorine Concentration Calculation

    If the user has a free chlorine concentration value obtained from a colorimeter, for example, then the calculation done in equation (4) must be reversed. − HOCl HOCl × − × × − 056714 Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 110 (5) and stores the value in F8:6: − − × × × 056714 − The hypochlorous acid concentration value in F8:6 can then be written to the Chlorine DataStick to calibrate it. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 111: Compliance Information

    Supporting test records were written and certified by Thermo Fisher Scientific LLC. Test Standards include: EN55011 (CISPER 11) Conducted emissions from 150 kHz to 30 MHz Class B. EN55011 (CISPER 11) Radiated emissions from 30 MHz to 1 GHz Class B. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 112: Limited Warranty

    This warranty is the sole and complete warranty for Thermo Fisher Scientific. No person is authorized to make any warranties or representations on behalf of Thermo Fisher Scientific. Thermo Fisher Scientific reserves the right to change or modify this warranty at any time. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...

  • Page 113: Terms And Conditions

    Appropriate charges, such as freight and insurance will be added to invoices. All shipments will be insured. Goods damaged in shipment must be reported by the recipient to the freight carrier for claims. Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide...
  • Page 116 9 0 0 1 : 2 0 0 8 Thermo Scientific Environmental Instruments Process Water Instruments North America 166 Cummings Center Beverly, MA 01915 USA Toll Free: 1-800-225-1480 Tel: 1-978-232-6000 info.water@thermo.com Netherlands Tel: (31) 033-2463887 info.water.uk@thermo.com India Tel: (91) 22-4175-8800 wai.asia@thermofisher.com...

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