Vaisala HMT120 - Manual (Page 74)

User's Guide _______________________________________________________________________
72 ___________________________________________________________________ M211244EN-B
Table 11 Operating Environment Specifications
Property Description / Value
Operating temperature range
Transmitter body, no display
Transmitter body, with display
HMP110 probe
-40 ... +60 °C (-40 ... +140 °F)
-20 ... +60 °C (-4 ... +140 °F)
-40 ... +80 °C (-40 ... +176 °F)
Storage temperature range -50 ... +70 °C (-58 ... +158 °F)
Electromagnetic compatibility EN 61326-1:2006 Electrical
equipment for measurement,
control and laboratory use - EMC
requirements - Basic immunity test
requirements.
EN 55022:2006 + Am 1:2007
Information technology equipment -
Radio disturbance characteristics -
Limits and methods of
measurement. Class B.
Table 12 Inputs and Outputs
Property Description / Value
Two-wire output signal 4 ... 20 mA (loop powered)
External loop voltage 10 ... 30 VDC (R
L
= 0 ohms)
20 ... 30 VDC (R
L
< 500 ohms)
Max. additional error caused by the
analog outputs after calibration at
+20 °C ambient temperature
±0.1% of full scale output current
Temperature dependence of the
analog outputs
±0.005 %/°C full scale output
current
Table 13 Mechanical Specifications
Property Description / Value
Material
Transmitter housing PBT plastic
Display window PC plastic
Probe body Stainless steel (AISI 316)
Probe grid filter Chrome coated ABS plastic
Housing classification IP65 (NEMA 4)
Connections
Current loop outputs Screw terminals 0.5 ... 1.5 mm²
Probe interface 4-pin M8 female panel connector
Probe cable lengths 3 m, 5 m, 10 m, 20 m cables
can be cascaded up to 50 m
Display (optional) 128x64 resolution full graphics
B&W display without backlight
Weight (Wall model, including probe)
Weight (10m cable model)
270 g
540 g