Vaisala Humicap HMW60U Guia do Utilizador descarregar pdf (Página 74)

User's Guide ______________________________________________________________________

72 __________________________________________________________________ M210297EN-E

Response time (90 %) at 20 ºC in 0.1 m/s air flow

17 s with grid filter

50 s with grid + steel netting filter

60 s with sintered filter

Temperature

Measurement ranges

HMP75 -20 ... +60 ºC

HMP76 -50 ... +120 ºC

(to +180 ºC temporarily)

HMP77 -70 ... +180 ºC

Accuracy at +20°C ±0.2 °C

Figure 10 Accuracy over temperature range

Temperature sensor Pt 100 RTD 1/3 Class B IEC 751

Calculated Variables

Typical Ranges

Dewpoint temperature -20 ... +100 ºC, -4 ... +212 ºF

Mixing ratio 0 ... 600 g/kg dry air

Absolute humidity 0 ... 600 g/m

∆

°C

-0.7

0.7

0.6

0.5

0.4

0.3

0.2

0.1

-0.1

-0.2

-0.3

-0.4

-0.5

-0.6

0-60 -40 -20 20 40 60 80 100

120

140

160

180

-80

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Vaisala Humicap HMW60U Guia do Utilizador Página 74