Specifications ______________________________________________________________________
Vaisala _________________________________________________________________________ 53
Calculated variables available (typical ranges)
Water content 0...20 lb/mmscf, 0...326 mg/m
3
Parts per million by volume 0...500 ppm
v
Water activity in jet fuel applications(HMT368H/J)
Measurement range 0...1 a
w
(@-40...+180 °C (-
40...+356 °F)
Accuracy
when calibrated against high-quality, certified humidity standards:
±0.01 (0...0.9)
±0.02 (0.9...1.0)
when calibrated against salt solutions (ASTM E104-85):
±0.02 (0...0.9)
±0.03 (0.9...1.0)
Response time (90 %) at +20 °C in
still oil (stainless steel filter) 10 min
Humidity sensor HUMICAP
®
Calculated variables available water content
relative humidity for saturation
saturation temperature
Accuracy of the water content better than ±15 % of the reading
Temperature
Measurement range -40...+180 °C
(depends on selected probe)
Typical accuracy of electronics
at +20 °C ±0.1 °C
Typical temperature dependence
of electronics 0.005 °C/°C
Sensor Pt 1000 RTD 1/3 Class B IEC 751