Vaisala HMT360Series Podręcznik Użytkownika Pobierz pdf (Strona 77)

Chapter 9 ____________________________________________________________ Technical Data

VAISALA_______________________________________________________________________ 75

CHAPTER 9

TECHNICAL DATA

This chapter provides technical data of the product.

Performance

Relative Humidity

Table 8 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

±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

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 96 97

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