Campbell HMP 35A Manuál s instrukcemi stáhnout pdf (Strana 18)

HMP155ATemperature and Relative Humidity Probe

*HMP155ACBL1 Cable provided by Campbell Scientific

no connection

(red)

GND (black)

SHIELD (clear)

*Note: HMP155A

CBL2 for RS-485 is described in Appendix C.

Filter: Sintered PTFE

Housing material: PC

Housing classification: IP66

Weight: 86 g (3 oz)

Inputs and Outputs

Voltage outputs: 0 to 1 V

Average current consumption: <3 mA (analog output mode)

Operating voltage: 7 to 28 Vdc

Settling time at power-up: 2 s

6.1 Temperature Sensor

Measurement range: –80 to 60 °C (–112 to 140 °F)

Accuracy with voltage output

at –80 to 20 °C: ±(0.226 – 0.0028 x temperature) °C

at 20 to 60 °C: ±(0.055 + 0.0057 x temperature) °C

See graph below

0804-032

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

Response time (63 %) for additional

temperature probe in 3 m/s air flow: 63% <20 s

90% <35 s

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 43 44

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Campbell HMP 35A Manuál s instrukcemi Strana 18