Vaisala HMD/W 40 and 50 RH and Temperature Transmitter
	Quantity in Basket: None Code: VIHMDW4050 Price: $170.00 Shipping Weight: 2.00 pounds
	Mounting Type: Wall Mount Duct Mount (Add $25) Output: RH only, 2-wire, 4 to 20mA output RH & T, 2-wire, 4 to 20mA output (Add $70) RH only, 3-wire, variable voltage output RH & T, 3-wire, variable voltage output (Add $70)
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Ideal for indoor air conditioning systems. Features excellent stability, easy installation and reliable operation. Interchangeable sensor, no recalibration required. Specially designed for building energy management systems 10 ... 90 % RH measurement -10 ... +60 °C (+14 ... +140 °F) operating range for duct units -5 ... +55 °C (+23 ... +131 °F) operating range for wall units 4 ... 20 mA 2-wire output (HMD/W40) Selectable voltage 3 wire output (HMD/W50) Combines excellent stability with easy installation and reliable operation No recalibration needed Fully interchangeable Vaisala INTERCAP ® Sensor is easy to replace Low cost 40 Series: 2-wire, 4 to 20 mA output Wall Mount RH only HMW40U   RH & T HMW40Y Duct Mount RH only HMD40U   RH & T HMD40Y 50 Series: 3-wire, variable voltage output Wall Mount RH only HMW50U RH & T HMW50Y Duct Mount RH only HMD50U RH & T HMD50Y   Relative humidity measurement   Measurement range Accuracy at +20 °C (+68 °F) Operating range:      HMD40/50      HMW40/50 Sensor 10 ... 90 % RH better than ± 3 % RH 0 ... 100 % RH 0 ... 90 % RH Vaisala INTERCAP ® Temperature measurement   Measurement range      HMD40/50      HMW40/50 Accuracy at +25 °C Sensor -10 ... +60 °C (+14 ... +140 °F) -5 ... +55 °C (+23 ... +131 °F) ± 0.3 °C (± 0.54 °F) Pt 1000 IEC 751 class B Operating environment   Operating temperature      HMD40/50      HMW40/50 Storage temperature -10 ... +60 °C (+14 ... +140 °F) -5 ... +55 °C (+23 ... +131 °F) -40 ... +60 °C (-40 ... +140 °F) Inputs and outputs   Operating voltage      HMD/W40      HMD/W50 for              0 ... 1 V output              0 ... 10 V output Power consumption      HMD/W40      HMD/W50 10 ... 28 VDC 12 ... 35 VDC/ 12 ... 24 VAC 15 ... 35 VDC/ 15 ... 24 VAC min. 4 mA 6 mA (typical) Mechanics Material (housing) Housing classification (HMD40/50) ABS plastic IP65 (NEMA 4) HMW40/50 Brochure HMD40 User Guide HMD50 User Guide HMW40 User Guide HMW50 User Guide HMD40 Wiring Guide HMD50 Wiring Guide HMW40 Wiring Guide HMW50 Wiring Guide