Campbell-scientific CS500-L Temperature and Relative Humidity Probe Instrukcja Użytkownika Pobierz pdf (Strona 10)

CS500 Temperature and Relative Humidity Probe

TABLE 1. Datalogger Connections

Description Color CR23X/CR1000 CR10(X), CR510 21X, CR7

Temperature Black Single-Ended Input Single-Ended Input Single-Ended Input

Relative Humidity Brown Single-Ended Input Single-Ended Input Single-Ended Input

Signal & Power

Reference

Green G G

Power Red 12 V 12 V 12 V

Shield Clear G

4. Wiring

Connections to Campbell Scientific dataloggers are given in Table 1. The

probe is measured by two single-ended analog input channels, one for

temperature and one for relative humidity.

Always connect the Green lead to the datalogger first,

followed by the Black, Brown, and Clear leads. Connect

the Red (Power) lead last.

5. Example Programs

This section is for users who write their own datalogger programs. A

datalogger program to measure this sensor can be created using Campbell

Scientific’s Short Cut Program Builder Software. You do not need to read this

section to use Short Cut.

The temperature and relative humidity signals from the CS500 are measured

using two single-ended analog measurements (Instruction 1).

The probe output scale is 0 to 1000 millivolts for the temperature range of -

40°C to +60°C and for the relative humidity range of 0 to 100%. Tables 2 and

3 provide calibration information for temperature and relative humidity.

TABLE 2. Calibration for Temperature

Units Multiplier

(degrees mV

-1

)

Offset

(degrees)

Celsius 0.1 -40

Fahrenheit 0.18 -40

TABLE 3. Calibration for Relative Humidity

Units Multiplier

(% mV

-1

)

Offset

(%)

Percent 0.1 0

Fraction 0.001 0

CAUTION

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18

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Campbell-scientific CS500-L Temperature and Relative Humidity Probe Instrukcja Użytkownika Strona 10

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