Vaisala hmt120 - Table 43 Operating Environment; Table 44 Inputs and Outputs; Table 45 Mechanical Specifications

Table 43 Operating Environment
Property Description/Value
Operating temperature of transmitter body, no
display
-40 … +60 °C (-40 … 140 °F)
Operating temperature of transmitter body with
display
-20 … +60 °C (-4 … 140 °F)
Operating temperature, HMP110 probe -40 … +80 °C (-40 … 176 °F)
Storage temperature -50 … +70 °C (-58 … 158 °F)
EMC compliance EN 61326-1 and EN 55022
Table 44 Inputs and Outputs
Property Description/Value
Current output signals 4 … 20 mA
External loop voltage 10 … 30 VDC (R
L
= 0 Ω)
20 … 30 VDC (R
L
< 500 Ω)
Max. additional error caused by the analog
outputs after calibration at +20 °C (68 °F)
ambient temperature
±0.1 % of FS output signal
Temperature dependence of the analog outputs ±0.005 % of FS output signal
Table 45 Mechanical Specifications
Property Description/Value
IP rating IP65
Weight 270 g
Probe cable lengths 3 m, 5 m, 10 m - up to 50 m
Display (optional) 128 x 64 resolution full graphics
B&W display without backlight
Material
Transmitter housing PBT plastic
Display window PC plastic
Probe body Stainless steel (AISI 316)
Probe grid filter Chrome coated ABS plastic
Connections
Chapter 8 – Technical Data
73