Vaisala HMT360Series - Specifications; Relative Humidity Performance; Dewpoint Measurement in Natural Gas

Specifications ______________________________________________________________________
Vaisala _________________________________________________________________________ 52
CHAPTER 11
SPECIFICATIONS
Performance
Relative humidity
Measurement range 0 - 100 %RH
Accuracy (including non-linearity and repeatability);
when calibrated against:
high quality, certified humidity
standards ±1 %RH (0 - 90 %RH)
±2 %RH (90 - 100 %RH)
salt solutions ±2 %RH (0 - 90 %RH)
(ASTM E104-85) ±3 %RH (90 - 100 %RH)
Response time (90%) at 20 °C in still air
(with sintered filter) 15 seconds
Sensors:
HUMICAP
®
180 for typical applications
HUMICAP
®
L for applications with a demanding
chemical environment (max. +40 °C
in high humidities)
Moisture in natural gas (HMT362N/364N/368N)
Dewpoint measurement
Measurement range -50...+50 °C (-58...+122 °F) T
d
Accuracy ±2 °C (±3.6 °F) (see the graph on
the next page)
Response time 63 % [90 %]
-20 -> +10 °C (-4 -> +50 °F) 6 s [32 s]
+10 -> -20 °C (+50 -> -4 °F) 120 s [370 s]
Sensor Vaisala HUMICAP® 180M