Vaisala HUMICAP DMT132 Betriebsanweisung PDF herunterladen (Seite 70)

USER'S GUIDE____________________________________________________________________

68 __________________________________________________________________ M211289EN-A

Calculated Variables

Dewpoint converted to dewpoint in atmospheric pressure (T

d/f

atm).

Operating Environment

Temperature -10 ... + 60 °C (+14 ... +140 °F)

Operating Pressure 0 ... 20 bar

(290 psi

)

Relative humidity 0 … 100 %RH

Sample flow rate no effect on measurement accuracy

Measured gases non-corrosive gases

Inputs and Outputs

Analog output (scalable) 4...20 mA, 2-wire

Resolution for current output 0.002 mA

Typical temperature dependence 0.005% of full scale / °C

Connector 4-pin M8 (IEC 60947-5-2)

LED indication available for defined dewpoint limit/error state indication

RS485 serial line for service use

General

Sensor Vaisala HUMICAP®180

Recommended calibration interval 2 years

Mechanical connection G 1/2" ISO

Operating voltage 10 .... 28 VDC

External load max 100 Ω for supply voltages 10 ...20 VDC

max 500 Ω for supply voltages 20 ... 28 VDC

Weight 65 g (2.3 oz)

Housing material PPS + 40% GF

Housing classification IP65 (NEMA 4)

Storage temperature range -40 ... + 80 °C (-40 ... +176 °F)

Start-up time 3 s

Complies with EMC standard EN61326-1, Electrical equipment for

measurement, control and laboratory use - EMC requirements; Industrial

environment.

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Vaisala HUMICAP DMT132 Betriebsanweisung Seite 70