Technical data, Specifications, Chapter 7 – Vaisala SHM40 User Manual
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Chapter 7 ____________________________________________________________ Technical Data
VAISALA _______________________________________________________________________ 59
CHAPTER 7
TECHNICAL DATA
This chapter provides the technical data of the SHM40 kit.
Specifications
Table 8
HMP40S Probe
Property
Description / Value
Relative humidity
Measurement range
0 ... 100 %RH
Accuracy (incl. non-linearity, hysteresis
and repeatability)
Temperature range 0 ... +40 °C
0 ... 90 %RH
±1.7 %RH
90 ... 100 %RH
±2.5 %RH
Temperature
range
-40…0 °C, +40…+80 °C
0 ... 90 %RH
±3.0 %RH
90 ... 100 %RH
±4.0 %RH
Factory calibration uncertainty at +20 °C
±1.5 %RH
Humidity sensor
Vaisala HUMICAP® 180R
Stability
±2%RH over 2 years
Typical stabilization time in a borehole
when the concrete and the probe are in the
same temperature
30 min
Temperature
Measurement range
-40…+80 °C
Accuracy over temperature range
0…+40 °C
±0.2 °C
-40…0 °C, +40…+80 °C
±0.4 °C
Temperature sensor
Pt1000 RTD 1/3, Class B IEC 751
General
Operating temperature range for probe
-40 °C...+80 °C
Probe diameter
12 mm
Probe length
71 mm
Cable length (standard cable)
0.3 m
Cable length (long cable)
2.7 m
Probe weight with standard cable
31 g
Probe housing material
Stainless steel
Probe filter and sensor protection
Membrane filter with
chrome coated ABS plastic