Specifications ______________________________________________________________________
Vaisala _________________________________________________________________________ 54
Calculated variables (typical ranges)
With HMP361 probe
dewpoint temperature -40...+60 °C
mixing ratio 0...160 g/kg d.a.
absolute humidity 0...160 g/m
3
wet bulb temperature 0...+60 °C
With HMP363, HMP364, HMP365 & HMP368
dewpoint temperature -40...+100 °C
mixing ratio 0...500 g/kg d.a
absolute humidity 0...600 g/m
3
wet bulb temperature 0...+100 °C
Outputs
Two analog outputs Two wire 4...20 mA
(one standard, one optional)
Typical accuracy of analog
Outputs at +20 °C ±0.05% full scale
Typical temperature dependence
of analog outputs 0.005% / °C full scale
RS232C serial output for service use connector type RJ45
only in safe area
Output connections via safety barriers
Classification with current outputs
EU (94/9/EC, ATEX100a) II 1 G EEx ia IIC T4
PTB 00 ATEX 2112 X
Safety factors: Ui=28 V, Ii=100 mA, Pi =0.7 W
Ci=1 nF, Li=0 H
Environmental
specifications: Tamb = -20...+60 °C
Pamb = 0.8...1.1 bar
Dust classification: II 1 D (IP65 T= 70 °C)
(with protection cover) VTT 04 ATEX 023X
U.S.A. (FM) Classes I, II, III
Division 1: Groups A-G
Division 2: Groups A-D, F and G
FM Project ID:3010615
Safety factors: Vmax=28VDC,Imax=100mA,Ci=1nF, Li=0,
Pi=0.7 W, T
amb
= 60 ºC, T5
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