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HMD42/53 Humidity and Temperature Transmitters for Ducts in Commercial HVAC Applications

HMD42/53 Humidity and Temperature Transmitters for Building Automations

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    Overview

     Overview

    The duct mounted Vaisala INTERCAP Humidity and Temperature Transmitters HMD42 and HMD53 are designed for building automation applications. They combine reliable operation with excellent stability, providing low cost of ownership to the user.

    • Designed for building automation applications
    • ±3 %RH accuracy
    • Full 0 ... 100 %RH measurement range
    • -20 ... +60 °C (-4 ... +140 °F) operating range
    • IP65 (NEMA 4) metal housing
    • Excellent stability and high reliability
    • Fully interchangeable Vaisala INTERCAP® Sensor
    • Variety of analog signal outputs available
    Technical Specifications

     Technical Specifications

    Relative Humidity

    Measurement range
    0 ... 100 %RH
    Typical accuracy
    ​   Temperature range 0 ... +40 °C (+32 ... +104 °F)
    ​      0 ... 90 %RH ±3 %RH
    ​      90 ... 100 %RH ±5 %RH
    ​   Temperature range -20 ... 0 °C, +40 ... +60 °C
    (-4 ... +32 °F, +104 ... +140 °F)
          ​0 ... 90 %RH ±5 %RH
          ​90 ... 100 %RH ±7 %RH
    Humidity sensor Vaisala INTERCAP®
    Stability ±2 %RH / 2 years
    Response time at 20 °C (+68 °F), 90 % response 15 s

    Temperature

    Measurement range
    Output scale
    Accuracy

    0 ... +40 °C (+32 ... +104 °F)
    -20 ... 0 °C, +40 ... +60 °C
    (-4 ... +32 °F, +104 ... +140 °F)
    Sensor


    -20 ... +60 °C (-4 ... +140 °F)
    -40 ... +60 °C (-40 ... +140 °F)

    ±0.4 °C (±0.72 °F)

    ±0.6 °C (±1.1 °F)
    Pt1000 IEC 751 Class B

    General - HMD42

    Supply voltage ​10 ... 35 VDC (RL = 0 ohm)
    ​20 ... 35 VDC (RL = 500 ohm)
    Output signal 4 ... 20mA

    General - HMD53

    Supply voltage range depends on the selected output signal
    DC
    AC
    0 … 1V 10 …35V      9 … 24V
    ​0 … 5V 14 …35V  12 … 24V
    0 … 10V 19 …35V  16 … 24V
    WITH OPTIONAL CURRENT MODULE
    ​0 ... 20 mA (RL= 0 ohm) 10 …35V  11 … 24V
    ​**0 … 20 mA (RL=500 ohm) 20 … 35V 17 … 24V
    Power consumption @ 24VAC 12mA typical
    **Optional temperature scales are available on request.​

    General

    Operating temperature range
    ​   electronics -5 ... +55 °C (+23 ... +131 °F)
    ​   probe -20 ... +60 °C (-4 ... +140 °F)
    Storage temperature range -40 ... +60 °C (-40 ... +140 °F)
    Maximum flow speed 50 m/s
    Housing material
       ​probe stainless steel
    ​   electronics cast aluminium
    Housing classification IP65 (NEMA 4)
    Connections ​screw terminal 0.5 ... 1.5 mm2
    Cable thread-through bushing for 7 ... 10 mm
    (PG9) included (18941HM)
    ​Complies with EMC standard EN61326 and EN55022 ​

    Accessories

    Armoured cable gland 10528HM
    Current module (for HMD53) 18945HM

    Spare Parts

    Vaisala INTERCAP sensor, 1 piece
    15778HM
    Vaisala INTERCAP sensor, 10 pcs INTERCAPSET-10PCS
    Membrane filter DRW010525
    Sintered filter HM46670SP

     

     
     
     
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