Table 11, Specifications for hmd82/83d and hmw88/89d, Table 12 – Vaisala HMDW80 User Manual
Page 49: Operating environment (all models), Table 13, Inputs and outputs, Table 12 operating environment (all models), Table 13 inputs and outputs

Chapter 6 _____________________________________________________________ Technical Data
VAISALA ________________________________________________________________________ 47
Table 11
Specifications for HMD82/83D and HMW88/89D
Property
Description / Value
Operating environment
Operating temperature range
-5 … +60 °C (+23 … +140 °F)
Operating humidity range
0…100 %RH, non-condensing
Relative humidity
Measurement range
0 … 100 %RH
Accuracy
Temperature range
+10 ... +30 °C (+50 ... +86 °F)
0 ... 90 %RH
±3 %RH
90 … 100 %RH
±5 %RH
Temperature range
-5 ... +10 °C, +30 ... +60 °C
(+23 ... +50 °F, +86 ... +140 °F)
0 ... 90 %RH
±5 %RH
90 … 100 %RH
±7 %RH
Stability in typical HVAC applications
±2 %RH over 2 years
Humidity sensor
Vaisala INTERCAP
®
Temperature
Measurement range
(Analog output scaling)
-40 … +60 °C (-40 … +140 °F)
Operating temperature range
of the display
-5 … +60 °C (+23 … +140 °F)
Accuracy
At +20 °C (+68 °F)
±0.3 °C (±0.54 °F)
Temperature dependence
±0.01 °C/°C
Temperature sensor
Pt1000 RTD Class F0.1 IEC 60751
Calculated parameters
Measurement range for dewpoint
temperature and wet bulb temperature -40 ...+60 °C (-40 ... +140 °F)
Measurement range for enthalpy
-40…460 kJ/kg (-10…+190 BTU/lb)
Table 12
Operating Environment (All Models)
Property
Description / Value
Operating environment
See model specifications
Maximum wind/flow speed
30 m/s
Storage temperature
-40 ... +60 °C (-40 ... +140 °F)
Electromagnetic compliance
EN61326-1, industrial environment
Table 13
Inputs and Outputs
Property
Description / Value
Current output models (2-wire)
Outputs
4 ... 20 mA, loop powered
Loop resistance
0 ... 600 Ω
Supply voltage
20 ... 28 VDC at 600 Ω load
10 ... 28 VDC at 0 Ω load
Voltage output models (3-wire)
Outputs
0 ... 10 V
Load resistance
10 kΩ min
Supply voltage
18 ... 35 VDC
24 VAC ±20 % 50/60 Hz