Vaisala HMT310 - Manual (Page 75)

Chapter 8 ____________________________________________________________ Technical Data
VAISALA _______________________________________________________________________ 75
Table 13 Electronics Specifications
Property Description / Value
Two analog outputs:
selectable and scalable
0…20 mA or 4…20 mA
Typical accuracy of analog output at
+20 °C ±0.05% of full scale
Typical temperature dependence of
analog output 0.005%/°C (0.003%/°F) of full scale
Serial output RS-232
Cable feed through alternatives M12 8-pole connector with 5 m cable
or
Female 8-pin connector screw joint for
cable diameter 4 ... 8 mm
Operating voltage 12 .... 35 VDC, the maximum
operating voltage for device with
sensor heating is 24 VDC
Power consumption 30 mA with RS-232
Startup time after powerup 3 s
External load R
L
< 500 ohm
Table 14 Mechanics Specifications
Property Description / Value
Transmitter housing material G-AlSi10Mg
Transmitter base material ABS/PC
Housing classification IP65
Sensor protection PPS grid with stainless steel net
PPS grid
Sintered filter
Membrane stainless steel filter
Stainless steel grid
Operating temperature range for
electronics -40 ... +60 °C (-40 ... +140 ºF)
Storage temperature -55 ... +80 °C (-67 ... +176 ºF)
Pressure range:
HMT314
HMT317
HMT318
0…100 bar
0…10 bar
0…40 bar
Probe cable length 2, 5 or 10 meters
Complies with EMC standard EN61326-1, Industrial environment.
NOTE When using the current output, the RF field susceptibility level
(according to standard EN61000-4-3 with a frequency band of 110 ... 165
MHz) is only 3 V/m (generic environment) with the specified accuracy.