Vaisala HMP260 SERIES Wartungshandbuch PDF herunterladen (Seite 59)

HMP260 SERIES

HMP260-U017en-1.5 Operating Manual

1997-11-25 53

8. TECHNICAL DATA

Specifications of the protection unit, see Appendix 9.

8.1 Relative humidity

Measuring range 0...100 %RH

Accuracy (including nonlinearity and repeatability)

maximum achievable accuracy when calibrated against high quality, certi-

fied humidity standards:

±1 %RH (0...90 %RH)

±2 %RH (90...100 %RH)

when calibrated against salt solutions (ASTM E104-85):

±2 %RH (0...90 %RH)

±3 %RH (90...100 %RH)

Response time (90 %) at +20 °C in 15 s

still air (with sintered filter)

Sensor HUMICAP

H-sensor (part no.

16663)

8.2 Temperature

Measuring range

HMP263 -40...+120 °C

HMP264 -40 ...+180 °C

HMP265 -40...+180 °C

Typical accuracy of electronics at ±0.1 °C

+20 °C (+68 °F)

Typical temperature dependence of 0.005 °C/°C

electronics

Sensor Pt 100 RTD 1/3 DIN 43760B

8.3 Calculated variables

Typical ranges

dewpoint temperature -40...+100 °C

mixing ratio 0...500 g/kg dry air

absolute humidity 0...600 g/m

wet bulb temperature 0...+100 °C

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 117 118

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Vaisala HMP260 SERIES Wartungshandbuch Seite 59