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Technical data
Relative humidity
Measurement range
(for which accuracy is specifi ed)
10 ... 90 %RH
Operating range
HMD40/50 0 ... 100 %RH
HMW40/50 0 ... 90 %RH
Accuracy at +20 °C (+68 °F) better than ±3 %RH
Stability ±2 %RH over 2 years
Temperature dependence <±1.5 %RH from -10 ... +60 °C
(+14 ... 140 °F)
Sensor INTERCAP
®
Sensor, part no. 15778HM
Dimensions
Dimensions in mm.
INTERCAP
®
is a registered trademark of Vaisala
Temperature (40Y and 50Y)
Measurement range
HMD40/50 -10 ... +60 °C (+14 ... +140 °F)
HMW40/50 -5 ... +55 °C (+23 ... +131 °F)
Total accuracy at +25 °C ±0.3 °C (±0.54 °F)
Temperature dependence 0.01 °C/°C (0.01 °F/°F)
Sensor Pt 1000 IEC 751 class B
General
Output signal for relative humidity (equals 0...100 %RH)
HMD/W40 4 ... 20 mA
HMD/W50 0 ... 1 V & 0 ... 10 V
Output signal for temperature
HMD/W40 4 ... 20 mA
HMW50 0 ... 1 V & 0 ... 10 V
HMD50 0 ... 10 V
HMD40Y, HMD50Y equals -40 ... +60 °C (-40 ... 140 °F)
HMW40Y, HMW50Y equals -5 ... +55 °C (+23 ... 131 °F)
Ref. B210945EN-A ©Vaisala 2010
This material is subject to copyright protection, with all
copyrights retained by Vaisala and its individual partners. All
rights reserved. Any logos and/or product names are trademarks
of Vaisala or its individual partners. The reproduction, transfer,
distribution or storage of information contained in this brochure
in any form without the prior written consent of Vaisala is strictly
prohibited. All specifi cations — technical included — are subject
to change without notice.
For more information, visit
www.vaisala.com or contact
us at sales@vaisala.com
Power supply
HMD/W40 10 ... 28 VDC
HMD/W50 for 0 ... 1 V output: 12 ... 35 VDC/12 ... 24 VAC
for 0 ... 10 V output: 15 ... 35 VDC/15 ... 24 VAC
Electromagnetic compatibility: Complies with EN61326-1,
Generic Environment
Current consumption
HMD/W50 6 mA typical
Operating temperature range
HMD40/50 -10 ... +60 °C (+14 ... +140 °F)
HMW40/50 -5 ... +55 °C (+23 ... +131 °F)
Storage temperature range -40 ... +60 °C (-40 ... +140 °F)
Operating humidity range
HMD40/50 0 ... 100 %RH
HMW40/50 0 ... 90 %RH
Housing
Material ABS plastic
Classifi cation (HMD40/50) IP65(NEMA 4)
Colour(HMW40/50) NCS0502-G50Y
HMD40/50
HMW40/50
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