Campbell HC2S3 Manuel d'utilisateur télécharger pdf (Page 19)

User Manual

Table 9-1. Temperature

Units

Multiplier

(degrees mV

-1

)

Offset

(degrees)

Celsius 0.1 -40

Fahrenheit 0.18 -40

Table 9-2. Humidity

Units

Multiplier

(% mV

-1

)

Offset

(%)

Percent 0.1 0

Fraction 0.001 0

9.1 Example Programs using Single-Ended Measurement

Instructions

The example programs for the CR1000 and CR10X use the SW12V terminal to

switch power to the probe, delay for 3 seconds and measure the output voltages

using single-ended measurement instructions.

Relative humidity and temperature (deg C) are measured on single-ended input

channels 1 and 2 respectively. The program sets relative humidity = 100 if the

measured value is > 100 but less than 103%. Values > 103% are not set = 100,

and indicate a problem with the sensor or its calibration.

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Campbell HC2S3 Manuel d'utilisateur Page 19