Chapter 8 ____________________________________________________________ Technical Data
VAISALA______________________________________________________________________ 165
CHAPTER 8
TECHNICAL DATA
This chapter provides the technical data of the product.
Specifications
Performance
Relative Humidity
Measurement range 0 ... 100 %RH
Accuracy (including non-linearity, hysteresis and repeatability)
with HUMICAP®180 for typical applications
HUMICAP®180R for typical applications
HUMICAP®180C for applications with chemical purge and/or
warmed probe
HUMICAP®180RC for applications with chemical purge and/or
warmed probe
at +15 ... 25 °C ± 1 %RH (0 ... 90 %RH)
± 1.7 %RH (90 ... 100 %RH)
at -20 ... +40 °C ± (1.0 + 0.008 × reading) %RH
at -40 ... + 180 °C ± (1.5 + 0.015 × reading) %RH
Factory calibration uncertainty (+20 °C)
±0.6 %RH (0 ... 40 %RH)
±1.0 %RH (40 ... 97 %RH)
(Defined as ± 2 standard deviation limits.
Small variations possible, see also calibration
certificate.)
Response time (90 %) for HUMICAP®180 and HUMICAP
®
180C in still air
8 s with grid filter
20 s with grid + steel netting filter
40 s with sintered filter
Response time (90 %) for HUMICAP®180R and HUMICAP®180RC
at 20 °C in 0.1 m/s air flow
17 s with grid filter
50 s with grid + steel netting filter
60 s with sintered filter
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