Vaisala PTB330TS - Manual (Page 84)

User's Guide ______________________________________________________________________
82 ___________________________________________________________________M210983EN-A
Relative Humidity (HMP155)
Measurement range 0 ... 100 %
Accuracy (incl. non-linearity, hysteresis and repeatability) at
+15 ... +25 °C (+59 ... +77 °F) ±1 %RH (0 ... 90 %RH)
±1.7 %RH (90 ... 100 %RH)
-10 ... +40 °C (+14 ... 104 °F) ±(1.0 + 0.008 x reading) %RH
Factory calibration uncertainty (+20 °C /+68 °F) ±0.6 %RH (0 ... 40 %RH)*
±1.0 %RH (40 ... 97 %RH)*
Humidity sensor HUMICAP180R
HUMICAP180RC
Response time at +20 °C in still air with a sintered PTFE filter
63 % 20 s
90 % 60 s
* Defined as ±2 standard deviation limits. Small variations possible, see also calibration
certificate.
Temperature (HMP155)
Measurement range -10 ... +40 °C (+14 ... +104 °F)
Accuracy
-10 ... +20 °C ±(0.176 - 0.0028 x temperature) °C
+20 ... +40 °C ±(0.07 + 0.0025 x temperature) °C
Accuracy over temperature range: see Figure 28 on page 83 .
Temperature sensor Pt100 RTD 1/3 Class B IEC 751
Response time with additional temperature probe in 3 m/s air flow
63 % < 20 s
90 % < 35 s