0-80 -60 -40 -20 20 40 60 80 100 120 140 160
180
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0.1
0.2
0.3
0.4
0.5
0.6
0.7
°C
Figure 5 Temperature measurement accuracy over temperature range
Table 8 HMM170 operating environment
Property Description/Value
Operating temperature for component board −40 … +60 °C (−40 … +140 °F)
Operating humidity for component board 0 … 100 %RH, non-condensing
Storage temperature −55 … +80 °C (−67 … +176 °F)
Operating pressure 0 … 10 bar
Table 9 HMM170 inputs and outputs
Property Description/Value
Three analog outputs (selectable and scalable) 0 – 20 mA, 4 – 20 mA
0 – 1 V, 0 – 5 V, 1 – 5 V, or 0 – 10 V
Typical accuracy of analog output at +20 °C
(+68 °F)
±0.05 % full scale
Typical temperature dependence of analog
output
0.005 %/˚C (0.003 %/°F) full scale
External load R
L
< 500 Ω
Digital output RS-485 serial, Modbus
Service port M8 connector for USB cable
Start-up time 3 s at power-up
Wire size
0.5 … 1.5 mm
2
(20 … 16 AWG)
Supply voltage
Chapter 7 – Technical data
27
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