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Nivetec Thermo Scientific AquaSensors AquaClear AQT Series, User Manual

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Nivetec Thermo Scientific AquaSensors AquaClear AQT Series User Manual Download Page 4

     
 
 
 
 

Thermo Scientific AquaSensors

™

 AquaClear

™

 Low Range Turbidimeter User Guide 

2

 

 
 

 

 

 

 

 
 

Safety Information 
 

 
 
The AquaClear Turbidity 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 sensor 
system. 
 
Before using the system, make sure that is connected as specified. 

Failure to do so may result in permanent damage to the system of its 

components.  
 
Protection against electric shock will be achieved only by observance 

of the corresponding installation rules. 

 
 

Summary of Contents for Thermo Scientific AquaSensors AquaClear AQT Series

Page 1: ...Thermo Scientific AquaSensors AquaClear Low Range Turbidimeter User Guide...

Page 2: ...k ROSS Resolution SAOB SMART AVERAGING Smart CheK SMART STABILITY Stacked Star Navigator 21 Stat Face The Enhanced Lab ThermaSense Triode TRIUMpH Unbreakable pH Universal Access are trademarks of Ther...

Page 3: ...ion manual is subject to change without notice as improvements are made and does not represent any commitment whatsoever on the part of Thermo Fisher Scientific Thermo Fisher Scientific cannot accept...

Page 4: ...pecified Only a skilled trained or authorized person should carry out installation setup and operation of the sensor system Before using the system make sure that is connected as specified Failure to...

Page 5: ...EEN OVERVIEW 12 5 MENU STRUCTURE 13 6 CALIBRATION 17 6 1 SPAN CALIBRATION 17 6 2 ZERO CALIBRATION 20 6 3 TEMPERATURE CALIBRATION 22 7 CONFIGURATION 25 8 DATASTICK COMMS MENU 27 8 1 SETTING DATASTICK S...

Page 6: ...Therefore the operating instructions and specifications must be read and understood by all persons involved in installation and operation of this equipment This manual identifies safety instructions...

Page 7: ...ion regarding all products used in this measurement system including the sensor mounting hardware AV38 electronics and cabling Observing the prescribed environmental and operational conditions Observi...

Page 8: ...ovide collimated white light for up to two years and is easily changed from the top Because the chamber volume is only 135 milliliters it takes a very small amount of Formazin to perform EPA mandated...

Page 9: ...inch panel with four inch mounting holes Use inch bolts with washers to mount the panel to a wall Make sure the sample chamber is level and plumb to insure proper water levels are maintained in the s...

Page 10: ...6 Place all four bolts with washers and tighten Use shims if necessary to insure the sample chamber is level 3 2 Plumbing The Drinking Water Turbidity System has an INLET an OUTLET and a DRAIN Barb fi...

Page 11: ...draws 270 mA 6 5 watts Most of the current is drawn by the tungsten bulb and the AV38 backlight Line powered versions of the Turbidity system are also available Pg11 and Pg16 punch out conduit holes...

Page 12: ...nt Loop Requires 24 VDC supply Options for second current loop and relays are available USER WIRING FOR Digital Communications to Host Computer with 2 Outputs and Relay Terminal Wiring 1 Red wire from...

Page 13: ...lid it should be aligned using the exterior alignment markers on the front edge of the chamber and the lid The alignment peg on the Sample Chamber must line up with the alignment hole in the lid Sampl...

Page 14: ...be adjusted by simultaneously pressing the escape and up arrow keys for more contrast or the escape and down arrow keys for less contrast When the DataStick and communications adapter are connected t...

Page 15: ...figure Station Number Configuration choices are automatically available for the installed sensor head Enter the MENU from the measure display of interest station in lower right DataStick Comms Set the...

Page 16: ...enu choices and optional menu choices in the context of the AV38 display presentation Figure 4 1 The main menu standard and optional feature lists To illustrate navigation through the main menu the fo...

Page 17: ...ist press the down arrow Press ESC to return to the measure screen Pressing the down arrow from DataStick Comms will display Analog Output To select analog output functions press ENTER To continue scr...

Page 18: ...measure screen To return to the measure screen press ENTER when in the EXIT screen Pressing ESC from any screen will take the user up one level In this example ESC will also take the user to the meas...

Page 19: ...bout of the way to the top of the sample chamber The 40 NTU calibration standard must be prepared from a stock solution of 4000 NTU and used within 24 hours Refrigerate when stored 7 After filling the...

Page 20: ...measure screen press MENU From the Main Menu use the up down arrows to select Calibrate Then press ENTER From the Calibrate Menu use the up down arrows to select 1 Point Sample Then press ENTER Calibr...

Page 21: ...hing disturb the measurement sample To abort the calibration during this calculation press ESC When the calibration calculation is complete the result will be displayed on the second line of the displ...

Page 22: ...s properly inserted into the alignment hole in the lid 6 2 Zero Calibration The zero calibration should not be adjusted unless the following criteria are met 1 The chamber must be completely clean and...

Page 23: ...have been in the plumbing Press ENTER to initiate zero calibration A zero calibration may take some time as the zero must be calibrated over a wide dynamic range During this process the calibrating m...

Page 24: ...ration the reason for the failure is shown Press ENTER to acknowledge the calibration failure and return to the measure screen 6 3 Temperature Calibration Press the ENTER key from the TEMPERATURE cali...

Page 25: ...e for editing Please note that it is best to calibrate temperature when the sample chamber is full of flowing process water When the value has been edited as desired the enter key is pressed and the c...

Page 26: ...the temperature calibration procedure If an error occurs during calibration that causes the procedure to fail the reason for the failure will be shown When the enter key is pressed the calibrate menu...

Page 27: ...e screen press MENU From the Main Menu use the up down arrows to select Configure Then press ENTER From the Configure menu use the up down arrows to select Sensor Filter Then press ENTER Main Menu Con...

Page 28: ...the sensor filter with the up down arrows Press ENTER to select a new filter value Press ESC to abort the new sensor value The temperature filter edit screen works the same way The Temperature units s...

Page 29: ...s Station 1 3 Data Type of Little Endian Word Swap 12 4 Baud rate of 19 2 kbps 5 Parity is ODD To change the Station Number Data Type Baud rate or Parity in a DataStick refer to the MODBUS Communicati...

Page 30: ...Type screen as shown The default setting is Big Endian 2 Use the UP DOWN arrows to edit the AV38 Data Type Big Endian and Little Endian Word Swap are the two data types supported in the AV38 The defa...

Page 31: ...d rate programmed in all connected DataSticks Press ENTER to select a new value Press ESC to leave the Baud rate unchanged 8 4 Setting DataStick Parity All DataSticks connected to the AV38 must be set...

Page 32: ...erature to be reported Calibrate Use an external ammeter to calibrate the output for precise current readings When the AV38 is configured with two current outputs then the main menu list shows Analog...

Page 33: ...by using the ESC key To set the 4 milliamp value select Set 4 mA Value with the up down arrows and the ENTER key Use the up down arrows for fine adjustment of the low sensor or temperature value Use...

Page 34: ...in the Analog Output sub menu with the up down arrows and the ENTER key This is a maintenance function and is only used when the expected current at the 4 and 20 milliamp points needs to be adjusted T...

Page 35: ...hout changing by using the ESC key To calibrate the 20 mA Point select the 20 mA Point display with the up down arrows and press ENTER Remove all wiring to the analog output terminals and connect a ca...

Page 36: ...setpoints deadbands and on off delays settings The activation parameters depend on which function is selected When set for ALARM the relays will activate based on the settings of low and high limits W...

Page 37: ...1 Help Menu The help menu displays the product name and the firmware version To view the current software version of the AV38 press ENTER at each screen level as shown in the diagrams below About AV38...

Page 38: ...sk the question Are you sure to notify the user that they are about to make changes to the system Press ENTER to initiate a reset Press ESC to abort the reset When the reset is done the AV38 will requ...

Page 39: ...20 C to 60 C Maximum Flow Rate 500 ml min 7 9 gal hr Minimum Flow Rate 250 ml min 4 gal hr Power Requirements Voltage Range 24 VDC Line power option available Maximum Power 8W with AV38 and Light Sour...

Page 40: ...NTU Temperature Units C F Calibration Sample Span 1 point Zero 1 point Temperature 1 point Interface Display 2 lines 16 characters 7 key menu navigation Current Loops 1 loop standard Second loop opti...

Page 41: ...5 Connector in AV38 AQT AquaClear Low Range Turbidity Measurement System No Local Display Model Number AQT Drinking water turbidity measurement system 0 to 200 NTU Range Precalibrated sensor temperatu...

Page 42: ...Thermo Scientific AquaSensors AquaClear Low Range Turbidimeter User Guide 40...

Page 43: ...isuse neglect lack of appropriate maintenance alteration accident or improper application or installation 2 Damage caused by any repair or attempted repair not authorized by Thermo Fisher Scientific 3...

Page 44: ...re not valid unless accepted in writing Sales taxes shall be included on the invoice unless a valid tax exemption certificate is supplied Return Material Authorization Contact Thermo Fisher Scientific...

Page 45: ......

Page 46: ...258483 001 Rev A 01 09...

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