Technical data, Specifications, Chapter 7 – Vaisala SHM40 User Manual

Page 61

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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

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