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EMD-570

Trace Oxygen Transmitter

4045 E. Guasti Rd. #203

Ontario, CA 91761 USA

Ph: 1-949-398-2879

Fax: 1-949-315-3622

Email: [email protected]

EMD-570 Manual Rev 1.1 12_2014

Instruction Manual

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Summary of Contents for EMD-570

Page 1: ...EMD 570 Trace Oxygen Transmitter 4045 E Guasti Rd 203 Ontario CA 91761 USA Ph 1 949 398 2879 Fax 1 949 315 3622 Email sales sso2 com EMD 570 Manual Rev 1 1 12_2014 Instruction Manual ...

Page 2: ...ng Electrical Connections 2 3 Gas Connections 2 4 Installing the Oxygen Sensor 3 1 Understanding the Controls and Their Operation 3 2 Manual Range Output Adjustment 3 3 Analog Output 4 20mA 3 4 Optional 0 1V DC Analog Output 4 1 Span Calibration using Ambient Air 4 2 Span Calibration using Certified Span Gas 4 3 Procedure for Replacing the Sensor 4 4 Troubleshooting 5 1 Spare Parts List 5 2 Warran...

Page 3: ...ct quality proceedure To understand how the oxygen transmitter functions it is important to understand a little bit of the sen sor characteristics The active components in the precision electrochemical oxygen sensor is the anode cathode and aque ous electrolyte which is all housed in a cell body The oxygen molecules in the application pass through the front sensing membrane A chemical reaction occ...

Page 4: ...12 24 VDC Signal Output 4 20mA or 0 1VDC Response time T90 in 10 Seconds Sensor TO2 1x Trace Oxygen Sensor Life 17 24 months Calibration Periodically Temperature Compensation Integral Flow Sensitivity 1 4 SCFH Flow Cell 1 8 Compression Warranty 9 Months Sensor Warranty 12 Months Electronics Accuracy at constant conditions Optional Accessories Optional Ranges Fully Customizable from Factory Flow Th...

Page 5: ...tionsbeforeattemptingtoopenthebagtheoxygensensorispackedin For questions please contact the factory If damage to any portion of the new analyzer is present stop and report damage to the shipping company as well as the factory The analyzer is shipped with all materials needed to install and prepare the system for operation In some instances added sample system components are necessary to condition ...

Page 6: ...ence installing the oxygen sensor into the sensor housing as well as section 4 1 and 4 2 on SPAN Calibration When installing the device it is important to make sure the bottom portion of the sensor housing which is manufactured from stainless steel is mounted flat and the top portion of the sensor housing with built in electronics which is manufactured of black nylon is at the top This will insure...

Page 7: ...our application please view our online application guide or contact your local sales rep Prior to installing the sensor it is important to make sure that the analyzer gas lines are hooked up and the unit is ready to purge with a zero gas Connect the zero gas line and set your flow between 0 5 3 0 SCFH To Install the Sensor Remove the upper electronics housing by unscrewing the stainless steel coll...

Page 8: ...Contact the factory for more details on what settings are configurable in the field The Display of the analyzer is pre configured with 5 ranges and is setup to auto range The ranges include 0 10ppm 0 100ppm 0 1000ppm 0 1 and 0 25 The 4 20mA analog output and optional 0 1V DC analog output are manually set via a short on the PCB to a selected range Preset from the factory the 4 20mA analog ouptut r...

Page 9: ... to any of the 5 ranges Range 1 0 10 ppm Range 2 0 100 ppm Range 3 0 1000 ppm Range 4 0 1 Range 5 0 25 If the user wishes to adjust the analog output range the user will need to re move the front panel overlay 2 screws on either side of the display and the nut over the span knob Once removed the user will need to use a soldering iron re move the solder pad shorting from the current range and re so...

Page 10: ...ignal output of the 4 20mA circuit is working properly connect an ammeter across they yellow and green wire With no oxygen sensor connector it should read approximately 4mA If a sen sor is installed you can verify the signal matches with the following formula Signal Output mA Reading Full Scale Range x 16 4 For example if we are reading 500ppm on the 1000 ppm range Signal Output mA 500 1000 x 16 4...

Page 11: ...s are understood Consult the factory if any questions arise If the sensor is already installed in the sensor housing you will need to connect the gas samples line as noted in section 2 5 or expose the sensor to ambient air which is typically 20 9 Using the flow through sensor housing you can open up the housing and with two fingers hold the sensor to the top portion of the unit making sure the sen...

Page 12: ...s supply company might have an 882 or 845ppm O2 balance N2 blend that will work just as good For a decision on which type of calibration is good for your process consult the factory for a recommendation Calibration using Certified Span Gas It is recommended to read through the calibration prior to performing an air calibration to make sure all instructions are understood Consult the factory if any...

Page 13: ...Note make sure to read section 2 4 Installing the Oxygen Sensor before replacing the sensor No tools are required to replace the sensor Simply unscrew Counter Clockwise the collar Once free open the top portion of the sensor housing exposing the old oxygen sensor Remove the old oxy gen sensor disposing like you would a lead acid battery in accordance with your local regulations Remove the new sens...

Page 14: ... 1x PPM Oxygen Sensor inert gas TO2 2x PPM Oxygen Sensor Co2 background gas Replacement Parts CABL 1054 6 ft 4 Pin Stereo Cable red black yellow green ORING 1001 Sensor Housing O ring For additional troubleshooting or replacement parts please contact the factory sales sso2 com Ph 1 949 398 2879 ...

Page 15: ... date of shipment by the manufacturer The manufacturer information and serial number of this analyzer are located on the body of the sensor Southland Sensing Ltd reserves the right in its sole discretion to invalidate this warranty if the serial number does not appear on the sensor Limitations Southland Sensing Ltd will not pay for loss of time inconvenience loss of use or property damage caused b...

Page 16: ...de or Acetic Acid electrolyte Lead anode Handling Rubber or latex gloves safety glasses Storage Indefinitely Physical Properties Boiling Point Range KOH 100 to 115 C or Acetic Acid 100 to 117 C Melting Point Range KOH 10 to 0 C or Acetic Acid NA Lead 327 C Freezing Point KOH 40 to 10 C or Acetic Acid 40 to 10 C Molecular Weight KOH 56 or Acetic Acid NA Lead 207 Specific Gravity KOH 1 09 20 C Aceti...

Page 17: ...A PEL 10 ppm TWA Lead OSHA PEL 05 mg cubic meter Ingestion Electrolyte could be harmful or fatal if swallowed KOH Oral LD50 RAT 2433 mg kg or Acetic Acid Oral LD50 RAT 6620 mg kg Eye Electrolyte is corrosive and eye contact could result in permanent loss of vision Skin Electrolyte is corrosive and skin contact could result in a chemical burn Inhalation Liquid inhalation is unlikely Symptoms Eye co...

Page 18: ...DC Analog Output 1 4 20mA Isolated Analog Output 2 0 1V DC Analog output pre set range ___________ Electronics Test Linearity in Range 1 1 ____________ Linearity in Range 2 1 ____________ Gas Test Linearity in Range 1 1 ____________ Linearity in Range 2 1 ____________ We certify that the parts shipped to you are manufactured in the USA and conform to all requirements of the Purchase Order These pa...

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