Vaisala DPT146 Guide de l'utilisateur Page 65

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Chapter 8 _____________________________________________________________ Technical Data
VAISALA ________________________________________________________________________ 63
Table 18 General
Property
Description / Value
Sensor
Vaisala MPS1 multiparameter sensor
Operating voltage
with current output
21 ... 28 VDC
with voltage output and when
used in cold temperatures
(-40 ... -20 °C (-40 ... -4 °F))
20 ... 28 VDC
with RS-485
15 ... 28 VDC
Supply current
during normal measurement
20 mA + load current
during self-diagnostics
300 mA + load current
External load for
current output
max. 500 Ω
voltage output
min. 10 kΩ
Housing material
AISI316L
Housing classification
IP65 (NEMA4)
Sensor protection
Mesh filter AISI303, grade 18 µm
Storage temperature range
transmitter only
-40 … +80 °C (-40 ... +176 °F)
shipment package
-20 … +80 °C (-4 ... +176 °F)
Mechanical connection
ISO G1/2”
NPT 1/2"
UNF 3/4"-16
Recommended calibration interval
2 years
Weight (with ISO G1/2”)
190 g (6.70 oz)
Electromagnetic compatibility
Complies with EMC standard
EN61326-1, Electrical equipment for
measurement, control and laboratory
use - EMC requirements; Industrial
environment
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