Microprocessor Based Humidity and Temperature Transmitters

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The RHT-WM and RHT-DM transmitter series incorporate the best high accuracy and great stability relative humidity and temperature sensors. They convert the measured values into linear 4 to 20 mA signals and optional 0 to 10 Vdc output can also be offered under request.
The microprocessor based circuit enables full configuration of output range when used with the TxConfig PC interface and the Windows® based software.
The humidity signal can be configured to either relative humidity or dew point output.
The RHT-WM model is dedicated to wall mounted applications and the RHT-DM version is suitable for duct and through-the-wall applications.


      
  • Power: from 12 Vdc to 30 Vdc (model 4-20 mA) or 18 to 30 Vdc (model 0-10 V)

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  • Output
        

            
    • Two-wire loop powered  4-20 mA or 20-4 mA

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    • Voltage output: 0-10 Vdc (optional)

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  • Isolation between outputs
        

            
    • Isolated 4-20 mA outputs

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    • Non-isolated  0-10 Vdc outputs

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  • Output load (RL)
        

            
    • Model 4-20 mA: RL (max. in Ohms) = (Vdc – 12) / 0.02

        where: Vdc=power voltage in Volts

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    • Model 0-10Vdc: 10 Kohms Minimum

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  • Internal protection against reversed voltage wire polarity

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  • Cable input: PG7 cable gland

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  • Operational Limits
        
    • Electronic Module: -10 to +65°C, 0 to 95%RH

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  • 8803006706

    RHT-WM Wall Mount temp. and humidity transmitter, 4-20mA out

  • 8803116706

    RHT-DM Duct Mount temp/humid. transm. 150mm probe 4-20mA out

  • 8803126706

    RHT-DM Duct Mount temp/humid. transm. 250mm probe 4-20mA out

  • Downloads

3/22/2017

TxConfig Configurator V1.7.7.03

This configurator software is used for configuring transmitter models TxBlock,TxRail, TxIsoBlock, TxIsoRail, TxMiniBlock, TxIsoPack, TxIsoPack-HART, TxIsoRail-HART, RHT-WM RHT-DM, TEMP-WM, TEMP-DM, NP800H (HART) and NP300.

Download - TxConfig Configurator V1.7.7.03

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(ZIP - 1.24 Mb)

11/7/2006

Flyer RHT-WM & RHT-DM

Download - Flyer RHT-WM & RHT-DM

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(PDF - 1.33 Mb)

6/4/2019

Operating Manual RHT-WM & RHT-DM

Download - Operating Manual RHT-WM & RHT-DM

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(PDF - 1.84 Mb)

3/30/2007

CE - D.O.C. RHT-WM & RHT-DM

CE Declaration of Conformidity.

Download - CE - D.O.C. RHT-WM & RHT-DM

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(PDF - 0.02 Mb)

9/28/2009

Optional RHT measuring tips

Download - Optional RHT measuring tips

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(PDF - 0.33 Mb)

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