60 series: 2-wire, 4 to 20 mA output |
|
Duct mount |
RH only HMD60U
RH and T HMD60Y
|
70 series: 3-wire, variable voltage output |
|
Duct mount |
RH only HMD70U
RH and T HMD70Y
|
Relative humidity measurement |
|
Accuracy at +20°C |
|
|
|
|
|
HMD60/70 |
±2%RH (0...90%)
±(2% + 1% of reading) (90...100%RH) |
|
Measurement range |
|
|
Sensor |
Vaisala HUMICAP® 180 |
|
|
|
|
|
|
Temperature measurement (Y models only) |
|
HMD60Y and HMD70Y |
|
|
Measurement range |
-20 ... +80 °C (-4 ... +176 °F) |
|
Accuracy at +20°C |
+/- 0.2°C |
|
Sensor
|
Pt 1000 IEC 751 class B
|
|
|
|
|
|
|
|
|
|
Operating environment |
|
Operating temperature |
|
|
electronics |
-5 ... +55 °C (+23 ... +131 °F) |
|
sensor head (duct mount) |
-20 ... +80 °C (-4 ... +176 °F) |
|
Storage temperature |
-40 ... +80 °C (-40 ... +176 °F) |
Inputs and outputs |
|
Operating voltage |
|
|
60 series |
10 ... 35 VDC (RL=0 ohm) |
|
70 series |
20 ... 35 VDC (RL=500 ohm) |
|
0 ... 1 V |
10 ... 35 VDC/ 9 ... 24 VAC |
|
0 ... 5 V |
14 ... 35 VDC/12 ... 24 VAC |
|
0 ... 10 V |
19 ... 35 VDC/ 16 ... 24 VAC |
|
Power consumption at 24 VAC |
|
|
HMD70U |
10 mA (typical) |
|
HMD70Y |
12 mA (typical) |
Mechanics |
|
Housing
sensor head (duct mount)
electronics (duct mount)
|
stainless steel
cast aluminum
|
For complete specifications, please see the brochure or user guide in "Documents".