Chapter 9 ____________________________________________________________ Technical Data
VAISALA_______________________________________________________________________ 73
CHAPTER 9
TECHNICAL DATA
This chapter provides technical data of the product.
Performance
Relative Humidity
Table 7 Relative Humidity Specifications
Property Description / Value
Measurement range 0 ... 100 %RH
Accuracy (including non-linearity, hysteresis and repeatability)
with HUMICAP® 180
and HUMICAP® 180R
at +15 ... 25 °C
at -20...+40°C
at -40 ... +180 °C
for typical applications
for typical applications
±1 %RH (0 ... 90 %RH)
±1.7 %RH (90 ... 100 %RH)
±(1.0 + 0.008 × reading) %RH
±(1.5 + 0.015 × reading) %RH
with HUMICAP®180L2
at -10...+40°C
at -40 ... +180 °C
for applications with demanding
chemical environment
±(1.0 + 0.01 × reading) %RH
±(1.5 + 0.02 × 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®
180L2 at +20 °C in still air
8 seconds with grid filter 20 seconds
with grid + steel netting 40 seconds
with sintered filter
Response time (90 %) for
HUMICAP® 180R at +20 °C
in 0.1 m/s air flow
17 seconds with grid filter
50 seconds with grid + steel netting
60 seconds with sintered filter
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