1. Manuals
  2. Brands
  3. Nivetec Manuals
  4. Measuring Instruments
  5. AquaSensors AV88
  6. User manual

Nivetec AquaSensors AV88 User Manual

Universal analyzer and controller
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Thermo Scientific AquaSensors
™
AV88 Universal Analyzer
and Controller
User Guide

Advertisement

Table of Contents
loading

Related Manuals for Nivetec AquaSensors AV88

Summary of Contents for Nivetec AquaSensors AV88

  • Page 1 Thermo Scientific AquaSensors ™ AV88 Universal Analyzer and Controller User Guide...
  • 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 Stir...
  • Page 3 Preface This instruction manual serves to explain the use of the Thermo Scientific AquaSensors AV88 Universal Analyzer 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 AV88 Universal Analyser 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 sensor system. Before using the display, make sure that the sensor cable is connected as specified.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ................................4 1.1......................... 4 ENERAL NFORMATION 1.2..........................5 NTENDED USE PRODUCT DESCRIPTION ............................6 2.1........................6 YSTEM VERVIEW 2.2............................ 6 OUNTING 2.3................10 OWER ELAY AND URRENT IRING 2.4............... 11 ERSONALITY ODULE NSERTION AND EMOVAL 2.5.

  • Page 6: Introduction

    1. INTRODUCTION 1.1. General Information Thank you for purchasing the Thermo Scientific AquaSensors AV88 Universal Analyzer. The product is designed for continuous use in industrial process applications and complies with safety regulations currently in force. Improper use could lead to hazards for the user or a third-party, and/or adverse effects to the plant or other equipment.

  • Page 7: Intended Use

    1.2. Intended use The Thermo Scientific AquaSensors AV88 Universal Analyzer is used to monitor, configure, calibrate and diagnose all AnalogPlus sensor parameters. AnalogPlus sensors must be ordered specifically for the AV88. Thermo Fisher Scientific also carries AnalogPlus replacement sensors that connect to competitors’ analyzers.

  • Page 8: Product Description

    2. PRODUCT DESCRIPTION 2.1. System Overview The AV88 is a universal analyzer for use with all AV88 enabled AnalogPlus sensors. The enclosure has -DIN dimensions for easy mounting and is rated NEMA 4X for outdoor use. It uses a liquid crystal display (LCD) with a high contrast backlight for best readability and is powered with 24 volts DC.
  • Page 9 AV88 conduit box is mounted to a wall or plate with #8 or M4 screws through the mounting holes as shown. Seven Pg11/16 Conduit breakouts are available for cord grips or conduit hardware. ™ Thermo Scientific AquaSensors AV88 Universal Analyzer User Guide...
  • Page 10 2.2.2. -DIN Panel Mount A -DIN panel mount bezel and gasket can be ordered to fit the AV88 as shown. The AV88 display is tightened down to the bezel using the four captured screws in the AV88. The bezel is then mounted to a -DIN square opening with the hardware shown in the figure below.
  • Page 11 2.2.3. -DIN Panel Mount The AV88 Display can be mounted directly to a -DIN panel opening using the captive mounting screws in the AV88 and the -DIN supports as illustrated in the figure below. A -DIN bezel gasket can be provided to ensure a NEMA 4X seal on the panel.

  • Page 12: Power, Relay And Current Loop Wiring

    2.3. Power, Relay and Current Loop Wiring The AV88 Display comes with two terminal blocks. The 10-pin block on the left is used to hook up two current loops and two relays (if installed). The 12-pin terminal block on the right is used to hook up 24-volt power, host communications (if installed) and one of many analytical sensors.

  • Page 13: Personality Module Insertion And Removal

    2.4. Personality Module Insertion and Removal The AV88 can be configured to work with any AnalogPlus sensor parameter by installing the desired personality module. Removal To remove a personality module, disconnect the sensor cable from the screw terminals, remove the acorn nut from the center of the box and then pull on the push/pull rod as shown in Figure 2.1B.

  • Page 14: Sensor Parameter Wiring

    2.5. Sensor Parameter Wiring The AV88 can be configured to work with any AnalogPlus sensor by installing the appropriate personality module. Each module clearly shows how to wire the sensor with terminal numbers, wire colors and sensor functions. Current parameters include: pH, ORP, Contacting Conductivity, Resistivity, Dissolved Oxygen, Dissolved Ozone, Toroidal Conductivity and Turbidity.

  • Page 15: Host Communications Wiring

    2.6. Host Communications Wiring The AV88 can be ordered with or without digital communications to a host computer. Labeling for host communications on screw terminals 3 and 4 indicates the type of communications provided. Digital Communications - Terminals 3 and 4. DeviceNet Modbus RS-232...
  • Page 16 When a sensor module of the same type is replaced in the AV88, current output, PID and relay settings are maintained. If a sensor module of a new type is installed, these settings are automatically set to default conditions appropriate to the new parameter. The measure screen is the same for all parameters.

  • Page 17: Menu Structure And Navigation

    3. MENU STRUCTURE AND NAVIGATION Menus are accessed by pressing the MENU key. The menu structure is navigated using ENTER, UP/DOWN arrows, and ESC keys. Use the UP/DOWN arrow keys to scroll through the list of Menu options. Use the ENTER key to select an option. Use the ESC key to move up in the structure.
  • Page 18 MAIN MENU NAVIGATION Enter the Main Menu by pressing the MENU key. Scroll the listing with the UP/DOWN arrow keys. To select an option, press the ENTER key. The AV88 remembers that last menu option used and will return to that menu option when re-entering the main menu from the measure screen.
  • Page 19 Main Menu Select ANALOG OUTPUT 2 with the ENTER key Analog Output 2 To set up 4 to 20 mA Analog Output for sensor, temperature or PID (if installed). MENU ENTER Press the DOWN ARROW for next selection. Select PID CONTROLLER with the ENTER key Main Menu PID Controller To set up ISA or Velocity Algorithm, Full-...
  • Page 20 Select HELP with the ENTER key Main Menu Help To read the AV88 firmware version. MENU ENTER Press the DOWN ARROW for next selection. Select EXIT with the ENTER key Main Menu Exit Return to the measure screen. MENU ENTER Press an UP ARROW to review the menu.

  • Page 21: Calibrate Menus

    4. CALIBRATE MENUS Calibration methods supported in the AV88 are automatically available depending on the personality module installed in the AV88. The supported calibration functions are listed below: Calibration Type Function Sensors Supported 1-Point Sample Set measured reading to desired reading. Changes offset.
  • Page 22 For the pH sensor, calibration options are: 2-point Buffer, 1-point Sample and temperature as shown in Figure 4.1. Calibrate 2-Point Buffer 1-Point Sample Temperature Exit MENU ENTER Figure 4.1: The complete calibrate menu for pH. For the D.O. sensor, calibration options are: Air, 1-Point Sample and Temperature as shown in Figure 4.2.

  • Page 23: 2-Point Buffer Calibration (Sensor Type: Ph)

    4.1. 2-Point Buffer Calibration (Sensor Type: pH) Find the 2-Point Buffer Calibration in the CALIBRATE menu using the UP/DOWN arrows. Press ENTER to initiate this calibration process. Once the calibration has been initiated it can be aborted by pressing the escape key before the process is completed.
  • Page 24 After the first calibration point has been stored, the user is prompted to place the sensor in the second buffer. The sensor should be rinsed in DI water and wiped clean before it is placed in the second solution. 7.02 pH In 2nd solution? MENU ENTER...
  • Page 25 If an error occurs during calibration that causes the procedure to fail, the reason for the failure is shown on the screen. 2-Point Buffer Calibrating... MENU ENTER 2-Point Buffer Buffer not found MENU ENTER When the ENTER key is pressed, the calibrate menu is displayed. The analog output remains in hold mode. This ends the 2-point buffer calibration procedure.

  • Page 26: Aborted Calibration (Sensor Type: All)

    4.2. Aborted Calibration (Sensor Type: All) If the ESC key is pressed while calibration is in progress, the procedure is aborted. A calibration cannot be aborted if the calibration process has completed. 2-Point Buffer Calibrating... MENU ENTER 2-Point Buffer Aborting... MENU ENTER After the calibration procedure has been aborted, the user is prompted to confirm the abort.

  • Page 27: 1-Point Sample Calibration (Sensor Type: All)

    4.3. 1-Point Sample Calibration (Sensor Type: All) The screen-by-screen example for a 1-point sample calibration is given for a conductivity sensor as shown in Figure 4.5. The same sequence is followed for any sensor type. Only the units of measure and span will change.
  • Page 28 Be sure the sensor has been properly cleaned before calibration. Initiate the 1-point sample process by pressing ENTER. 1-Point Sample Sample ready? MENU ENTER The sensor value is dynamically displayed at this point in the calibration procedure as shown in Figure 4.6. When the reading has stabilized, press ENTER to initiate the calibration.
  • Page 29 The calibration value can be adjusted with the UP and DOWN arrow keys. After the calibration value is adjusted, the ENTER key is pressed to calibrate the sensor as shown in Figure 4.8. 1-Point Sample? 1000) S/cm MENU ENTER Figure 4.8: Entering the calibration value. After the calibration process is complete, the user is asked to confirm the result before releasing the current outputs, relays and measure screen.

  • Page 30: Zero Calibrate Menu (Sensor Type: Conductivity, Do, Turbidity)

    4.4. Zero Calibrate Menu (Sensor Type: Conductivity, DO, Turbidity) The complete zero calibration menu for conductivity is shown in Figure 4.9. The same calibration sequence also applies to turbidity, suspended solids, dissolved oxygen and ozone. From the Calibrate menu, use the UP/DOWN arrows to display ZERO calibration. Press ENTER to select. Calibrate Zero 1-Point Sample...
  • Page 31 When the zero calibration is complete, the user will be asked to confirm the result with the ENTER key. Zero Confirm cal ok? MENU ENTER After pressing ENTER to confirm Calibration is okay, the Measure screen will be displayed. 0.0005 S/cm 13.1 °C MENU...

  • Page 32: Air Calibration (Sensor Type: D.o. )

    4.5. Air Calibration (Sensor Type: D.O. ) An AIR CALIBRATION computes the oxygen content measured in air based on the setting for PRESSURE, SALINITY and the measured temperature. View or change the Pressure and Salinity settings in the CONFIGURE menu. Initiate the AIR CALIBRATION process by pressing ENTER.
  • Page 33 After the air calibration point has been stored, the user is prompted to confirm a successful calibration procedure. Confirm cal OK MENU ENTER When the ENTER key is pressed, the analog output is placed into active mode and the monitoring of sensor and temperature values is resumed.

  • Page 34: Temperature 1-Point Sample Calibration

    When the ENTER key is pressed, the calibrate menu is displayed. The analog output remains in hold mode. This ends the air calibration procedure. The user has the option of repeating the procedure if desired. Calibrate MENU ENTER 4.6. Temperature 1-Point Sample Calibration Press the ENTER key from the TEMPERATURE calibration menu to initiate the calibration process.
  • Page 35 When the sensor is ready, the ENTER key is pressed and the user is presented with a calibration value for editing as shown in Figure 4.14. Please note that it is best to calibrate temperature with the sensor in an aqueous solution.
  • Page 36 When the ENTER key is pressed, the analog output is placed into active mode and the monitoring of sensor and temperature values is resumed. This successfully completes the temperature calibration procedure. 7.01 pH 25.0 °C MENU ENTER If an error occurs during calibration that causes the procedure to fail, the reason for the failure will be shown. Temperature Calibrating...

  • Page 37: Configure Menu

    CONFIGURE MENU The configuration menu allows viewing and editing of sensor constants and will depend on the type of personality module installed in the AV88. Configuration Type Function Sensors Supported Sensor Filter Filter main parameter in seconds. Set zero seconds for no filter. Set up to 100 seconds for time to reach 90% of final value.

  • Page 38: Main Configure Menus

    Configuration Type Function Sensors Supported Concentration Table A 10-point concentration table is entered to Conductivity convert measured conductivity into % concentration Exit Returns to the measure screen 5.1. Main Configure Menus Configure menus dynamically change depending on the personality module installed in the AV88. Generally, all configure screens allow viewing and editing values in parentheses.

  • Page 39: Navigating Sensor Filter Configuration

    The complete bo menu for turbidity is shown in Figure 5.4. Configure Sensor Filter Temp Filter Temp Units Exit Figure 5.4: The complete configure menu for turbidity. 5.2. Navigating Sensor Filter Configuration The following sequence shows how the sensor filter configuration is viewed and set. The gray key is pressed to move to the next screen.
  • Page 40 Scroll to SENSOR FILTER using the UP and DOWN arrows: Configure Sensor Filter MENU ENTER Select SENSOR FILTER using the ENTER key: Configure Sensor Filter MENU ENTER Use the UP and DOWN arrow keys to change the number in parentheses to the desired sensor filter (in seconds): Sensor Filter? 1) s...
  • Page 41 After editing or viewing the filter setting, return to the Main Configure screen with the ESC key. Configure Sensor Filter MENU ENTER When finished with MENU functions return to the Main Configure screen with the ESC key. Main Menu Configure MENU ENTER Observe the response time of the measurement.

  • Page 42: Navigating The User-Entered Concentration Table Screens

    5.3. Navigating the User-Entered Concentration Table Screens The AV88 can convert measured conductivity into % concentration based on a 10-point user-entered concentration table. This feature is available for contacting and toroidal conductivity only. To enable this feature, set the Sensor Units to % in the Configure menu. The measured values will be displayed as shown below: 6.971 % 30.8 °C...

  • Page 43: Table 2: Record The Table Values Here Before Entering Them

    Before entering the concentration table values, use Table 2 to record the values to be entered. Table 2: Record the table values here before entering them. Conductivity Concentration Point X Coordinate Y Coordinate ( S/cm) Entering the Concentration Table The concentration table editing screen can be reached by navigating to the Configure menu, scrolling down to the Conc Table item, and then pressing Enter.
  • Page 44 When the Conc Table screen is first entered, all ten points in the table are read. While the points are being read, the screen counts down from 10 to 1. Conc Table Please wait... 6 MENU ENTER After all ten points have been read, the conductivity coordinate for the first point is shown. Point 1 X Data >...
  • Page 45 To edit a coordinate, navigate to the desired coordinate using the UP, DOWN, LEFT, and RIGHT arrow keys and press ENTER. The present value of the coordinate will appear within parentheses. The parentheses indicate that the value can be edited. Point 3 X Value? 0.0) S/cm...

  • Page 46: Table 3: Summary Of Key Actions

    If the changes do not meet the Concentration Table Requirements listed above, you will be informed. Conc Table Confirm failure MENU ENTER To abort the changes, press the ESC key and then press the ENTER key to confirm the abort. Conc Table Confirm abort MENU...

  • Page 47: Table 4: The Default Concentration Table

    Default Concentration Table The default concentration table is shown in Table 4: Table 4: The default concentration table. Point Conductivity Concentration X Coordinate Y Coordinate ( S/cm) 20,000 99.99 Using the default table, if the measured conductivity is 10,000 S/cm, then the concentration will be 50%. ™...

  • Page 48: Host Communications

    HOST COMMUNICATIONS The AV88 can be set up to communicate with a Host Computer system in a variety of protocols. When using Host Communications, please refer to the selected communications manual for specific protocol setup and use. Host Protocol Reference Manual to Set up Address, Baud Rate and Parity Modbus RTU Modbus Communications Adapter Users Manual (MAN021CA-4) DeviceNet...

  • Page 49: Assigning 4 M Aand 20 M Aparameter Values

    7.1. Assigning 4 mA and 20 mA parameter values Press MENU from the Measure screen 991.3 S/cm 30.8 °C MENU ENTER Use the UP/DOWN arrows to select Analog Output (or Analog Output 1, Analog Output 2 depending on hardware options). Main Menu Calibrate MENU...

  • Page 50: Calibrating Output Current

    Select SET 4 mA option with the ENTER key. Adjust the parameter value with the UP/DOWN arrow keys. Press ENTER to accept the value in parentheses. Press ESC to leave the value unchanged. Set 4mA Value ( 4.00) pH MENU ENTER Select SET 20 mA setting with the ENTER key.
  • Page 51 The ammeter should read exactly 4.00 mA. If not, adjust the value displayed on the meter using the AV88 UP/DOWN arrow keys. The number displayed in parentheses is in “counts” and should be within 20% of 2500. Press ENTER to accept the value in parentheses. Press ESC to leave the value unchanged. Cal 4 mA Point? (2467) MENU...

  • Page 52: Pid Controller

    PID CONTROLLER The PID Controller is present in the Main Menu list when a pH or conductivity personality module is installed in the AV88. Press ENTER to select PID CONTROLLER. Main Menu PID Controller MENU ENTER Use the UP/DOWN arrows to scroll the list of PID Controller options for viewing and editing. PID Controller Set Algorithm Set Full-Scale...
  • Page 53 Note that in the Manual Mode, the present pH value is displayed in the top line and the Control Adjustment is made in the second line. Each of the PID controller options used to configure and tune the loop is shown below for a sensor type of contacting or electrodeless conductivity.

  • Page 54: Relay Menus

    RELAY MENUS Up to two Form C relays with normally open and normally closed contacts are available with the AV88. When relay A is energized or activated, an “A” will appear in the upper right corner of the measure display. If relay B is energized a “B”...
  • Page 55 ALARM Function Edit Range Default Setting Set Phase High or Low High Set Setpoint Min to Max scale Highest reading Set Deadband 0 to 14 pH 0 pH Set Off-Delay 0 to 999 seconds 0 seconds Set On-Delay 0 to 999 seconds 0 seconds If WASH is selected, the following activation options can be programmed in the ACTIVATION menu.

  • Page 56: Help Menu

    HELP MENU The help menu displays the product name and the firmware version of the AV88. Enter the Menu with the MENU key. Scroll the menu options with the UP/DOWN arrows. The Help menu is second to last. Press ENTER to select the HELP menu. Main Menu Help MENU...

  • Page 57: Limited Warranty

    11. LIMITED WARRANTY AV88 WARRANTY/REPLACEMENT PLAN Thermo Fisher Scientific warrants its AV88 Local Display against material and workmanship defect for a period of one year from the date of shipment. In the event that a defect is discovered during the warranty period, Thermo Fisher Scientific agrees, at its option, to repair or replace the defective product.

  • Page 58: Terms And Conditions

    12. TERMS AND CONDITIONS Terms and Conditions of Sale The following terms and conditions will be presumed acceptable unless changes are made in writing and accepted by both parties in a reasonable amount of time. Any standard or boilerplate terms and conditions supplied with a written purchase order will not be applicable unless accepted in writing by both parties.
  • Page 60 258476-001 Rev. A 01-09...

Table of Contents