Vaisala HUMICAP HMP155 Guía de usuario descargar pdf (Pagina 77)

Chapter 7 ____________________________________________________________ Technical Data

VAISALA _______________________________________________________________________ 75

Accuracy of Wet Bulb Temperature °C

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

Accuracy of Dew point Measurement

Find the intersection of the dew point temperature curve and the dew

point difference reading (process temperature-dew point temperature) on

the x-axis and read the accuracy in dew point measurement on the y-axis.

0508-017

Figure 15 Accuracy of Dew point Measurement

Inputs and Outputs

Table 20 Outputs

Description Value

Voltage output 0 ... 1 V, 0 ... 5 V, 0 ... 10 V

Resistive Pt100 4-wire connection

RS-485

Minimum operating voltages

0…5 V output 12 V

0…10 V output, probe heating,

chemical purge or XHEAT

16 V

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 83 84

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Vaisala HUMICAP HMP155 Guía de usuario Pagina 77