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i <br /> ORGANIC VAPOR ANALYZER OPERATING INSTRUCTIONS <br /> Startup <br /> 1. Move PUMP switch to On and check battery condition by moving <br /> the INSTR Switch to RATT position. <br /> s3 <br /> t 2. Move INST?: Switch to ON and allow five (3) minutes for warm up. <br /> E� <br /> � - 3. Set Alarm Level Adjust Knob on back of Readout Assembly to <br /> desired level. <br /> S`1 <br /> 4. Set CALIBRATE Switch to X10 position, use CALIBRATE knob and <br /> set meter to read 0. <br /> i 5. Move PUMP Siwtch to ON position then place instrument panel is <br /> vertical position and check SAMPLE FLOW RATE indication. <br /> �ar <br /> l.� 6. Open the H2 TANR VALVE and the H2 SUPPLY VALVE. <br /> 7. Depress igniter Button until burner lights. Do not depress <br /> t « igniter Button for more than sit (6) seconds. (If be.;ner does <br /> not ignite, let instrument run for several minutes and again <br /> attempt ignition.) <br /> ! 8. D6e CALIBRATE knob to *zero" out ambient background. ?or vwxi- <br /> =" I> mum sensitivity below 10 4 <br /> r ppm, set CALIBRATE Switch XZ a, i read- <br /> just zero on meter To avoid false flame-out alarm indication, <br /> set metes to 1 ppm with CALIBRATE Knob and mrike differential <br /> r_dings £rca there. <br /> 9. Place probe in the atmosphere to be monitored. if the needle <br /> moves to the upper limit of the scale, change the calibrate <br /> switch to the next position. <br /> r , <br /> Shutdown <br /> 1. Close the H2 SUPPLY VALVE ar'd the H2 TANK VALVE. <br /> 2. Move the INSTR :witch and PUMP Switch to OFF. . <br /> .. 3. Instrument is now in shutdown configuration., ' <br />