Vaisala DMT132 - Manual (Page 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
a
(290 psi
a
)
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®180R
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.