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4-20 mA SENSOR / TRANSMITTER MODEL TR-1000 Operations & Maintenance Manual Vehicle Exhaust Detection Applications...
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(See Fig.1) CALIBRATION - SOLID STATE SENSORS: The TR-1000 has been factory calibrated for a range of 0 – 400 ppm CO and is ready for use. If however there is a level of background gases, it should be calibrated on site.
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The concentration of the gas should be the same as the desired full scale of the TR-1000.The flow rate of the gas must be 0.2 liters/minute. Adjust the “GAIN” trimpot - RV2 – so the meter reads 2.0 volts.
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TO CONTROLLER IF YOU HAVE THE 24VAC 10-30VDC INPUT POWER POWER OPTION GOTO PAGE 7 (Shielded wire - 3x18 ga. min.) FOR CORRECT WIRING DIAGRAM 4-20mA OUTPUT SENSOR WIRING (BLACK) READY LED (GREEN) (RED) V- A V+ G B W R (WIRE COLOURS) (WHITE) ACTIVE LED...
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SENSOR: Solid state, metal oxide TRANSMITTER OUTPUT 4 – 20 mA AirTest continues to work on product improvement, therefore, specifications are subject to change without notice. WARRANTY ATI AirTest Technologies, Inc ( the company) warrants the Model CT-1000, Carbon Monoxide, Propane and Refrigerant Detector to be free from defects in materials and workmanship under normal use and service for a period of one year.
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IF ORDERED WITH SENSOR WIRING 24VAC OPTION (BLACK) READY LED (GREEN) (RED) G B W R (AC/DC ADAPTER BOARD) Below (Accessible thro hole) (WHITE) ACTIVE LED (YELLOW) (YELLOW) Below (Accessible thro hole) GND/REF 4-20Ma output WHITE 4-20mA AC 24 VAC INPUT Power SIGNAL to Controller OUTPUT GREEN...
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