HX94A Manual - RH/Temperature Transmitter - NEWPORT

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FIGURESHX94A SERIESRM/Temperature TransmitterFigureFigure 1PageBasic Transmitter Set-upWith Current Loop Output .............................................. 2Figure 2 Dimensions ......................................................................... 3Figure 3 Mounting ........................................................................... 3Figure 4Figure 5Figure 6Figure 7Figure 8Figure 9Current Transmitter Wiring Example(4 - 20 mA) .......................................................................... 5Voltage Transmitter Wiring Example(0 - 1 Vdc)............................................................................. 5HX94AC Calibration ProcedureRelative Humidity Adjustment ...................................... 7HX94AC Calibration ProcedureTemperature Adjustment ................................................ 8HX94AV Calibration ProcedureRelative Humidity Adjustment ...................................... 9HX94AV Calibration ProcedureTemperature Adjustment .............................................. 10Figure 10 Sensor Filter Cap Removal ............................................ 11ii
HX94A SERIESRH/Temperature Transmitter11. General DescriptionThe OMEGA ® HX94A Series Relative Humidity/TemperatureTransmitter’s provide a linearized and temperature compensated outputsignal of 4 to 20 mA or 0 to 1 Vdc depending upon the model selected forboth relative humidity and temperature measurement. The output signalshave been calibrated and scaled 0 to 100% for Relative Humidity and 0 to100ºC (32 to 212ºC) for temperature. A thin film polymer capacitor sensesrelative humidity while an 100 ohm RTD measures temperature, both areprotected by a stainless steel filter that is easily removed for cleaning. TheNema-4 stainless steel enclosure and cable entry connection providesweathertight protection.2. UnpackingRemove the packing list and verify that you have received all yourequipment. If you have any questions about the shipment, please callour Customer Service Department at:1-800-622-2378 or 203-359-1660. On the web you can find us at:omega.com e-mail: cservice@omega.comWhen you receive the shipment, inspect the container and equipmentfor any signs of damage. Note any evidence of rough handling intransit. Immediately report any damage to the shipping agent.NOTEThe carrier will not honor any damage claims unless all shipping material issaved for inspection. After examining and removing contents, save packingmaterial and carton in the event reshipment is necessary.The following items are supplied in the box with your HX94A transmitter.• This Manual, # M2750A (1 ea.)• Wall/Duct Mounting Kit (1 ea.)• 4-Pin Mating Connector; with connector models only (1ea.)• Dewpoint Card (1 ea.)Additional Transmitter Models AvailableModel DescriptionHX94AC RH/Temperature Transmitter (4 to 20 mA Output) with 4Pin Connector.HX94AV RH/Temperature Transmitter (0 - 1 Vdc Output) with 4Pin Connector.HX94ACW RH/Temperature Transmitter (4 to 20 mA Output) with 1m (3') lead wires.1
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HX94A Manual - RH/Temperature Transmitter - NEWPORT

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