Vaisala HMP230 Series Bedienungsanleitung PDF herunterladen (Seite 6)

Technical Information

ACCURACIES OF THE VARIABLES

Accuracies of the calculated variables depend on the cali-

bration accuracy of the humidity and temperature sensors;

here the accuracies are given for ±2 %RH and ±0.2 °C.

Accuracies of wet bulb temperature °C (ambient pressure 1013 mbar)

Relative humidity

Temp. 10 20 30 40 50 60 70 80 90 100

-40 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 — —

-20 0.21 0.21 0.22 0.22 0.22 0.22 0.23 0.23 — —

0 0.27 0.28 0.28 0.29 0.29 0.29 0.30 0.30 0.31 0.31

20 0.45 0.45 0.45 0.44 0.44 0.44 0.43 0.43 0.42 0.42

40 0.84 0.77 0.72 0.67 0.64 0.61 0.58 0.56 0.54 0.52

60 1.45 1.20 1.03 0.91 0.83 0.76 0.71 0.67 0.63 0.60

80 2.23 1.64 1.32 1.13 0.99 0.89 0.82 0.76 0.72 0.68

100 3.06 2.04 1.58 1.31 1.14 1.01 0.92 0.85 0.80 0.75

120 3.85 2.40 1.81 1.48 1.28 1.13 1.03 0.95 0.88 0.83

140 4.57 2.73 2.03 1.65 1.41 1.25 1.13 1.04 0.97 0.91

160 5.25 3.06 2.25 1.82 1.55 1.37 1.24 1.13 1.05 0.99

Accuracies of dewpoint temperature °C

Relative humidity

Temp. 10 20 30 40 50 60 70 80 90 100

-40 1.86 1.03 0.76 0.63 0.55 0.50 0.46 0.43 — —

-20 2.18 1.19 0.88 0.72 0.62 0.56 0.51 0.48 — —

0 2.51 1.37 1.00 0.81 0.70 0.63 0.57 0.53 0.50 0.48

20 2.87 1.56 1.13 0.92 0.79 0.70 0.64 0.59 0.55 0.53

40 3.24 1.76 1.27 1.03 0.88 0.78 0.71 0.65 0.61 0.58

60 3.60 1.96 1.42 1.14 0.97 0.86 0.78 0.72 0.67 0.64

80 4.01 2.18 1.58 1.27 1.08 0.95 0.86 0.79 0.74 0.70

100 4.42 2.41 1.74 1.40 1.19 1.05 0.95 0.87 0.81 0.76

120 4.86 2.66 1.92 1.54 1.31 1.16 1.04 0.96 0.89 0.84

140 5.31 2.91 2.10 1.69 1.44 1.26 1.14 1.05 0.97 0.91

160 5.80 3.18 2.30 1.85 1.57 1.38 1.24 1.14 1.06 0.99

Accuracies of mixing ratio g/kg (ambient pressure 1013 mbar)

Relative humidity

Temp. 10 20 30 40 50 60 70 80 90 100

-40 0.003 0.003 0.003 0.003 0.003 0.004 0.004 0.004 — —

-20 0.017 0.018 0.019 0.021 0.022 0.023 0.025 0.026 — —

0 0.08 0.09 0.09 0.10 0.10 0.11 0.11 0.12 0.13 0.13

20 0.31 0.33 0.35 0.37 0.39 0.41 0.43 0.45 0.47 0.49

40 0.97 1.03 1.10 1.17 1.24 1.31 1.38 1.46 1.54 1.62

60 2.68 2.91 3.16 3.43 3.72 4.04 4.38 4.75 5.15 5.58

80 6.73 7.73 8.92 10.34 12.05 14.14 16.71 19.92 24.01 29.29

100 16.26 21.34 28.89 40.75 60.86 98.85 183.66 438.56 — —

120 40.83 74.66 172.36 — — — — — — —

MEASURED VARIABLES

Relative humidity

Measurement range 0...100 %RH

Accuracy (including nonlinearity and repeatability)

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

±2 %RH (0...90 %RH)

±3 %RH (90...100 %RH)

maximum achievable accuracy when calibrated against

high-quality, certified humidity standards:

±1 %RH (0...90 %RH)

±2 %RH (90...100 %RH)

Response time (90 %) at +20 °C

in still air (with sintered filter) 15 s

Humidity sensor HUMICAP

sensor

Temperature

Measurement range

HMP231 -40...+60 °C

HMP233 -40...+80 °C or -40...+120 °C

HMP234, HMP235 & HMP238 -40...+180 °C

Typical accuracy of electronics at +20 °C ±0.1 °C

Typical temperature dependence ±0.005 °C/°C

of electronics

Temperature sensor Pt 100 IEC 751 1/3 class B

CALCULATED VARIABLES (DEPENDS ON MODEL TYPE)

Typical ranges

HMP231

dewpoint temperature -40...+60 °C

mixing ratio 0...160 g/kg d.a.

absolute humidity 0...160 g/m

wet bulb temperature 0...+60 °C

enthalpy -40...+460 kJ/kg

HMP233, HMP234, HMP235 & HMP238

dewpoint temperature -40...+100 °C

mixing ratio 0...500 g/kg d.a.

absolute humidity 0...600 g/m

wet bulb temperature 0...+100 °C

enthalpy -40...+1500 kJ/kg

Accuracies of absolute humidity g/m≈

Relative humidity

Temp. 10 20 30 40 50 60 70 80 90 100

-40 0.004 0.004 0.005 0.005 0.005 0.006 0.006 0.006 — —

-20 0.023 0.025 0.027 0.029 0.031 0.032 0.034 0.036 — —

0 0.10 0.11 0.12 0.13 0.13 0.14 0.15 0.15 0.16 0.17

20 0.37 0.39 0.41 0.43 0.45 0.47 0.49 0.51 0.53 0.55

40 1.08 1.13 1.18 1.24 1.29 1.34 1.39 1.44 1.49 1.54

60 2.73 2.84 2.95 3.07 3.18 3.29 3.40 3.52 3.63 3.74

80 6.08 6.30 6.51 6.73 6.95 7.17 7.39 7.61 7.83 8.05

100 12.2 12.6 13.0 13.4 13.8 14.2 14.6 15.0 15.3 15.7

120 22.6 23.3 23.9 24.6 25.2 25.8 26.5 27.1 27.8 28.4

140 39.1 40.0 41.0 42.0 43.0 44.0 45.0 45.9 46.9 47.9

160 63.5 64.9 66.4 67.8 69.2 70.7 72.1 73.5 74.9 76.4

CONNECTORS

Vs = power supply

ao = analog outputs

Accuracies of enthalpy kJ/kg (ambient pressure 1013 mbar)

Relative humidity

Temp. 10 20 30 40 50 60 70 80 90 100

-40 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 — —

-20 0.24 0.25 0.25 0.25 0.26 0.26 0.26 0.27 — —

0 0.4 0.42 0.43 0.45 0.46 0.47 0.49 0.5 0.52 0.53

20 0.98 1.03 1.08 1.13 1.18 1.23 1.29 1.34 1.39 1.45

40 2.7 2.87 3.04 3.22 3.4 3.59 3.78 3.98 4.18 4.39

60 7.2 7.82 8.48 9.19 9.96 10.79 11.69 12.65 13.7 14.84

80 18.04 20.72 23.88 27.66 32.22 37.77 44.61 53.17 64.02 78.06

100 43.96 57.64 77.98 109.93 164.1 266.37 494.62 1180.46 — —

120 111.6 203.93 470.52 — — — — — — —

24 POWER SUPPLY Analog Power Serial Alarm

outputs supply interface output

no connectors shared cable shared cable chared cable -

no connectors, alarm output unit shared cable shared cable chared cable cable

shared connector for Vs and ao shared connector - -

as above but with the alarm output unit shared connector - cable

connector for the RS232C shared cable shared cable connector -

2 connectors: RS232C and ao + Vs shared connector connector -

2 connectors: shared for RS485 and Vs - shared connector -

115/230 V POWER SUPPLY Analog Power Serial Alarm

outputs supply interface output

no connectors shared cable cable chared cable -

connector for ao connector cable - -

1 2 3 4 5 6 7 8

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