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Thermo Scientific AquaSensors

™

AquaTrace

™

Trace DO System User Guide

24

▲

◄

►

MENU ESC ENTER

▼

3.

Determine the DO level of the current process sample using laboratory methods.

4.

Press the ENTER key to proceed with the calculation.

▲

◄

►

▼

102.8 ppb
Sensor ready?

MENU ESC ENTER

5.

The AV38 will display the current DO value for editing. Use the arrow keys to display the actual
value as determined by laboratory methods. When the value is correct, press the ENTER key to

continue.

1-point Sample?

( 102.8) ppb

▲

◄

►

▼

▲

◄

►

MENU ESC ENTER

▼

6.

The AV38 will update the span calibration in the sensor based on the current measurement.
During this time, the calibration procedure can be aborted by pressing the ESC key.

Zero
Calibrating…

MENU ESC ENTER

7.

If an error occurs during calibration that causes the procedure to fail, the reason for the failure

will be shown.

8.

After the calibration point has been stored, the AV38 will return to the calibration menu. The

user has the option of repeating the procedure if desired. If not, press the ESC key to exit the
menus and return to normal operations.

≡

Calibrate

►

1-Point Sample

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Содержание AquaSensors AquaTrace

Страница 1: ...Thermo Scientific AquaSensors AquaTrace Trace DO System User Guide ...

Страница 2: ...e COIL trade dress are trademarks of Thermo Fisher Scientiﬁc Inc U S patent 6 793 787 Alconox is the registered trademark of Alconox Inc Glenview NY Dawn is the registered trademark of Procter Gamble Cincinnati OH ...

Страница 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 any responsibility for damage or malfunction of the sensor due to improper use Contact Information To contact Thermo Scientific AquaSensors Technical Support Within the United States call 1 800 225 14...

Страница 4: ...d 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...

Страница 5: ...m Shut Down and Sensor Storage 14 4 3 System Maintenance Cleaning 14 4 4 Sensor Maintenance Replacing the Membrane Cap and Electrolyte 15 4 5 Sensor Maintenance Trace DO System Troubleshooting 16 5 SENSOR CALIBRATION 17 5 1 Temperature Calibration 17 5 2 Dissolved Oxygen Calibration Air Calibration 19 5 3 Dissolved Oxygen Calibration Zero Calibration 22 5 4 Dissolved Oxygen Calibration 1 Point Cal...

Страница 6: ...sons and or damage to property This symbol identifies additional information and instructions which if neglected could lead to inefficient operation and possible loss of production It is recommended that this manual be made accessible to everyone who may need it as a reference Please contact Thermo Fisher Scientific or an authorized representative with any questions 1 2 Intended use The Thermo Sci...

Страница 7: ...plier accepts no responsibility for damage caused by unauthorized modifications The risk is borne entirely by the user 1 4 Removal from Service Correct Disposal of the Trace DO Measurement System Removal from Service 1 Shut off the process sample connection to the AquaTrace system 2 Disconnect the power supply to the AquaTrace system 3 Disconnect any cable wiring from the AquaTrace analyzer s outp...

Страница 8: ... the sensor in the process It directs the sample flow onto the sensing face of the probe and directs the outlet flow away from the sensor tip while also eliminating entrapped bubbles This improves the sensor s response to changing process conditions and maximizes the accuracy of the dissolved oxygen measurement The sample chamber uses a union style locking ring to secure the sensor allowing the se...

Страница 9: ...e sensor head is pre calibrated for span and the zero is factor set The integral electronics in the sensor head retain calibration data and the sensor does not require a new calibration when the system is installed although it is recommended that a sample calibration be performed at the typical service range to maximize accuracy during operation The Trace DO sensor uses the DataStick sensor system...

Страница 10: ... a retaining ring Screw on membrane cap Sensor Highlights 0 1 ppb to 20 ppm Measurement Ranges Calibration stored in Sensor Does not require recalibration after connection to Analyzer Controller 0 1 ppb Resolution Fast Response Simple membrane and electrolyte replacement Provides measurement calibration configuration and diagnostic functions without Analyzer Controller Works with AV38 for local di...

Страница 11: ...des dissolved oxygen measurement 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 or optionally with line power 90 VAC to 240 VAC The AV38 automatically recognizes the type of DataStick connected to the system and provides the appropriate c...

Страница 12: ...flow rate should be regulated between 50 mL min and 400 mL min The sensor will operate properly across this range however rapid variations in flow can cause temporary measurement fluctuations To insure a stable measurement the sample supply should be regulated to provide a consistent flow rate to the sample chamber The outlet fitting on the sample chamber must be connected to a vented drain Excess...

Страница 13: ... mounted and mark the placement of the upper left hole 2 Drill a mounting hole for the upper left corner with a masonry drill bit and install a wall anchor 3 Mount the AquaTrace panel with the upper left mounting bolt 4 Using a level rotate the panel until the top edge is level then mark the remaining three mounting holes 5 Rotate the AquaTrace panel out of the way drill the three mounting holes a...

Страница 14: ...ow to the sample chamber Observe the chamber and verify that it purges any trapped gas and drains properly 9 Power up the AV38 Remote Display 10 The AV38 Remote Display includes optional host communications relays and analog outputs that can be used with various control systems Refer to the AV38 user guide for detailed instructions to configure these options 3 2 Wiring A DataStick sensor can be co...

Страница 15: ...e sensor is removed from service The membrane cap is screwed onto the front of the sensor and care should be taken not to unscrew it The cap contains dissolved oxygen electrolyte that will spill out if the cap is removed The sensor has been charged and tested prior to shipment However it requires time to stabilize when it is initially installed Depending on the oxygen level of the process the sens...

Страница 16: ...ow chamber for storage 4 3 System Maintenance Cleaning In order to maintain an accurate measurement value the sensor will need occasional maintenance The maintenance interval will be dictated by the process in which it is installed The harsher the process the more often the sensor will require maintenance Regular maintenance will yield a longer sensor life Clean the sensor as follows 1 Remove the ...

Страница 17: ...quaTrace Trace DO System User Guide 15 1 Hold the sensor firmly with the electrode tip facing down Remove the existing membrane cap by turning it counterclockwise Dispose of the old membrane cap and electrolyte using an approved method 2 Fill the new membrane cap with fresh DO electrolyte and gently agitate it to remove trapped bubbles 3 Place the sensor head into the new membrane cap 4 Slowly scr...

Страница 18: ...may damage signal connections Inspect the terminal block connections to be sure the wires are not corroded or loose Make sure all sensor wires are connected properly to the AV38 Remote Display terminal block Immerse the sensor in a solution of known dissolved oxygen value and check the displayed measurement Verify that the AV38 Remote Display electronics are working correctly by connecting it to a...

Страница 19: ...race DO System User Guide 17 Calibrate Temperature MENU ESC ENTER 3 Remove the Trace DO sensor from sample chamber 4 Place the Trace DO sensor in a beaker filled with clean water at the desired calibration temperature 5 Allow the sensor to stabilize in the calibration bath The time required to stabilize will vary based on the temperature difference between the process sample and the calibration ba...

Страница 20: ...re can be aborted by pressing the ESC key Temperature Calibrating MENU ESC ENTER 10 After the calibration point has been stored the AV38 will prompt the user to confirm that the calibration procedure has been successful Press the ENTER key to accept and continue Temperature Confirm Cal OK MENU ESC ENTER 11 When the enter key is pressed the analog output is placed into active mode and the monitorin...

Страница 21: ... can perform this calibration as needed While it is not necessary the ambient pressure value in the system should be updated before performing an air calibration Failure to do so will result in reduced accuracy of the calibration and subsequent span calculations The ambient pressure setting is updated through the following steps 1 Enter the configuration menu on the AV38 Remote Display see the AV3...

Страница 22: ...ibration menu to initiate the calibration process When the temperature calibration procedure is started the analog output is placed into hold mode The user is prompted to prepare the sensor The sensor value is dynamically updated during this step Calibrate Air MENU ESC ENTER 3 Remove the Trace DO sensor from sample chamber 4 Rinse the sensor head off with clean water Shake any excess water off the...

Страница 23: ... 21 Air Calibrating MENU ESC ENTER 8 If an error occurs during calibration that causes the procedure to fail the reason for the failure will be shown 9 After the calibration point has been stored the AV38 will return to the calibration menu The user has the option of repeating the procedure if desired If not press the ESC key to exit the menus and return to normal operations Calibrate Air MENU ESC...

Страница 24: ...ly updated during this step Thermo Scientific AquaSensors AquaTrace Trace DO System User Guide 22 Calibrate Zero MENU ESC ENTER 3 Remove the Trace DO sensor from sample chamber 4 Rinse the sensor head off with clean water Shake any excess water off the tip of the sensor 5 Fill a beaker approximately full with zero solution Zero solution can be prepared by mixing 13 0 grams of sodium sulfite Na2SO3...

Страница 25: ...race system 5 4 Dissolved Oxygen Calibration 1 Point Calibration A 1 point calibration can be performed to update the sensor s span As supplied the sensor is factory calibrated using an air calibration and this value is stored in the internal electronics Performing a 1 point calibration at the upper limit of the specific process will improve the measurement accuracy of low range readings Use the f...

Страница 26: ...ENTER key to continue 1 point Sample 102 8 ppb MENU ESC ENTER 6 The AV38 will update the span calibration in the sensor based on the current measurement During this time the calibration procedure can be aborted by pressing the ESC key Zero Calibrating MENU ESC ENTER 7 If an error occurs during calibration that causes the procedure to fail the reason for the failure will be shown 8 After the calibr...

Страница 27: ...ataStick sensor body MODBUS communications low flow chamber with 316SS fittings mounting plate and local display controller Display Configuration AV38 Display Configuration AV38 Host Communication CANopen 24 VDC and DeviceNet terminal connections in AV38 EtherNet IP and MODBUS TCP PoE RJ45 connector in AV38 None DeviceNET 24 VDC and DeviceNET terminal connections in AV38 MODBUS RTU 24 VDC and RS48...

Страница 28: ...ironmental Service Pressure 0 60 psig Service Temperature 5 C 50 C Storage Temperature 0 C 60 C System Process Flow Rate 50 400 mL min Features Sensor Mounting Threads 1 NPT threads at back of sensor 1 NPT threads at front of sensor Process Connections 1 4 tube fittings for process inlet and outlet Sensor Wetted Materials 316SS PEEK Viton FEP Teflon Flow Chamber Wetted Parts Acrylic 316 SS Viton S...

Страница 29: ...the invoice unless a valid tax exemption certificate is supplied Return Material Authorization Contact Thermo Fisher Scientific Customer Service for a Return Material Authorization RMA number Items returned without an RMA number will be rejected All returned merchandise must be in unused resalable condition and must not be contaminated with hazardous materials Cancelled orders must be returned wit...

Страница 30: ...on Buyer must provide a valid signed certificate or letter of exemption for each respective jurisdiction 5 TERMS OF PAYMENT Seller may invoice Buyer upon shipment for the price and all other charges payable by Buyer in accordance with the terms on the face hereof If no payment terms are stated on the face hereof payment shall be net thirty 30 days from the date of invoice If Buyer fails to pay any...

Страница 31: ...in all Products until such time as Buyer fully pays for such Products Buyer agrees to assist Seller in taking the necessary steps to perfect and protect such security interest 13 WARRANTY Seller warrants that during the warranty period the Products will operate substantially in conformance with Seller s published specifications and be free from defects in material and workmanship when subjected to...

Страница 32: ...yer with respect thereto based on a five 5 year amortization schedule THE FOREGOING INDEMNIFICATION PROVISION STATES SELLER S ENTIRE LIABILITY TO BUYER FOR THE CLAIMS DESCRIBED HEREIN 14 2 By Buyer Buyer shall indemnify defend with competent and experienced counsel and hold harmless Seller its parent subsidiaries affiliates and divisions and their respective officers directors shareholders and emp...

Страница 33: ...s from or in connection with any violation of this Section by Buyer or its employees consultants agents or customers 18 HAZARDOUS MATERIALS Some Products may require special labeling and handling Carriers may add additional freight charges for handling transporting these materials Consolidating such material with other products may be prohibited Additional freight charges will be billed per Seller...

Страница 34: ...erlands Tel 31 033 2463887 info water uk thermo com India Tel 91 22 4157 8800 wai asia thermofisher com Japan Tel 81 045 453 9175 wai asia thermofisher com China Tel 86 21 68654588 wai asia thermofisher com Singapore Tel 65 6778 6876 wai asia thermofisher com Australia Tel 613 9757 4300 infowaterau thermofisher com 2012 Thermo Fisher Scientific Inc All rights reserved ...

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