Vaisala HMT140 - Manual (Page 59)

HMT140 User’s Guide 51
APPENDIX
SPECIFICATIONS AND
TROUBLESHOOTING
Specifications
Table 1: Humicap Relative Humidity Measurement Specifications
(with HMP110)
Property Description/Value
Measurement range 0 ... 100% RH
Accuracy (including non-linearity, hystere-
sis, and repeatability):
at 0 ... +40 °C (+32 ... +104 °F)
at -40 ... 0 °C and +40 ... +80 °C
(-40 ... +32 °F and +104 ... +176 °F)
± 1.7 %RH (0 ...90 %RH)
± 2.5 %RH (90 ... 100 %RH)
± 3.0 %RH (0 ...90 %RH)
± 4.0 %RH (90 ... 100 %RH)
Factory calibration uncertainty at 20 °C
(+68 °F)
± 1.5 %RH
Humidity sensor HUMICAP 180R
Stability ± 2 %RH over 2 years
Table 2: Humicap Temperature Measurement Specifications
(with HMP110)
Property Description / Value
Measurement range -40 ... +80 ° C (-40 ... +176 ° F)
Accuracy over temperature range:
at +15 ... +25 °C (+59 ... +77 °F) ± 0.2 °C ( ± 0.36 °F)
at 0 ... +15 °C and +25 ... +40 °C
(+32 ... +59 °F and +77 ... +104 °F)
± 0.25 °C ( ± 0.45 °F)