Edgetech OxyTrans Operator'S Manual Download Page 1

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OxyTrans

Loop Powered Two Wire
Oxygen Transmitter

OPERATORS MANUAL

19 Brigham Street Unit 8
Marlborough, MA 01752
508-263-5900 Fax: 508-486-9348
www.edgetechinstruments.com
[email protected]

Rev. A April 2009

Summary of Contents for OxyTrans

Page 1: ...Loop Powered Two Wire Oxygen Transmitter OPERATORS MANUAL 19 Brigham Street Unit 8 Marlborough MA 01752 508 263 5900 Fax 508 486 9348 www edgetechinstruments com h2o edgetechinstruments com Rev A Apr...

Page 2: ...ted vertically with Digital Display at the top 2 Connect input and output tubing See Manual for proper tubing materials Shutoff valves should be installed on both sides of the sensor 3 Connect loop po...

Page 3: ...gurations 5 3 6 Options and Accessories 6 4 0 Installation 8 4 1 Mounting 8 4 2 Plumbing 8 4 3 Electrical Connections 9 5 0 Operation 11 5 1 Digital Display 11 5 2 Analog Output 11 6 0 Maintenance 6 1...

Page 4: ...1 Cell I O Curve 5 3 2 Standard Configurations 6 4 1 Mounting Kit 8 4 2 Mounting the Transmitter 9 4 3 Electrical Connections 10 5 1 Digital Display 11 6 1 Calibration Adjustment 12 LIST OF TABLES Pag...

Page 5: ...ture We want you to be entirely satisfied with your instrument The information contained in this manual will get you started It tells you what you need to get your equipment up and running and introdu...

Page 6: ...tive components are a cathode and an anode which are immersed in a 15 aqueous KOH electrolyte solution When oxygen in the sample gas is sensed by the membrane the cell converts the resulting chemical...

Page 7: ...s do not have to compensate for nonlinearities In addition since there is zero output in the absence of oxygen the characteristic curve has close to an absolute zero within 1 ppm oxygen In practical a...

Page 8: ...ing case with a built in sampling system including a flow meter flow adjustment valve sintered filter vacuum pump and power supply Also available is an Explosion Proof ATEX approved version A unit wit...

Page 9: ...7 Figure 3 2e Panel Mount Unit...

Page 10: ...d extra compression fitting nuts First screw the supplied Mounting Plate securely to a wall or other vertical surface using two No 10 screws Hole centers are 1 1 16 inch 27mm apart Then run the large...

Page 11: ...gen concentrations some plastic materials such as Tygon are acceptable Do not use soft PVC tubing Adjust the flow rate between 1 2 SCFH 0 5 to 1 L min 4 3 ELECTRICAL CONNECTIONS The system provides a...

Page 12: ...are marked on the connector on the body of the OxyTran in case you wish to fabricate your own cables After applying power to the loop you will see a value on the display Allow sufficient time for the...

Page 13: ...nd that new readings have completely equilibrated before data is taken 5 1 DIGITAL DISPLAY The Digital Display shows you the current oxygen value A bar graph at the top symbolizes the analog output si...

Page 14: ...hat is equivalent to your measurement range For example if you have the 0 to 100 ppm unit select a gas with an Oxygen value of approximately 40 50 ppm O2 in N2 2 Be sure that line pressure remains con...

Page 15: ...low should be followed To put it back into operation see Steps 2 and 3 below 1 Make sure that the shut off valves on the upstream and downstream sides of the measurement cell are closed isolating the...

Page 16: ...ps correct the problem than replace the sensor 6 4 CELL REPLACEMENT The sensor used in this analyzer uses electrolytes which contain toxic substances mainly lead and potassium hydroxide These can be h...

Page 17: ...nd that one spare cell be purchased 9 10 months after installing the OxyTrans or shortly before the end of the cell s one year warranty period Note Do not stockpile cells The warranty period starts on...

Page 18: ...y only in one direction 6 Restart the equipment and purge the sampling system with dry nitrogen immediately 6 4 5 CELL WARRANTY Warranty period begins on the date of shipment The customer should purch...

Page 19: ...SING If you have a reason to clean the cell housing this may be done very carefully with a lint free clean cloth Be cautious not to damage or break the gold colored spring contacts inside Note If ther...

Page 20: ...rature range at 0 10ppm 1ppm Resolution 0 1 ppm Response time To 90 of FS at 25 C 0 10 ppm 45 s 0 100 ppm 30 s 0 1000 ppm 10 s Operating Temperature 0 50 C Sample Pressure 0 1 1 bar Output signal 4 20...

Page 21: ...19 8 0 APPENDIX 8 1 Warranty Statement 8 2 Oxygen Cell Housing Drawing 8 3 Intrinsically Safe Barrier for Panel Mount Optional...

Page 22: ...r other literature ii the items have not been misused or abused in any manner or repairs attempted thereon iii written notice of the failure within the warranty period is forwarded to Edgetech Instrum...

Page 23: ...21 8 2 OXYGEN CELL HOUSING DRAWING...

Page 24: ...22 8 3 INTRINSICALLY SAFE BARRIER FOR PANEL MOUNT OPTIONAL...

Page 25: ...23 NOTES...