Technical Data - Dräger Polytron 7500 Instructions For Use Manual

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Technical Data

The measuring range and the measuring properties depend on the DrägerSensor –
see the Instructions for Use of the DrägerSensor being used.
Type
Measuring range and the measuring
properties
Flow rate
Signal transmission to the central unit
Analogue:
Measured-value signal
Drift below zero point
Measuring range exceeded
Unit fault
Maintenance signal
Digital:
Supply voltage
Cable inlet
Ambient conditions
Dimensions (H x W x D)
Weight
CE markings
Ingress protection
Relay module:
logical channels
principle
contacts
contact rating
9023927 - 2nd edition - May 2007
Microprocessor controlled transmitter with pump and pyrolysis oven
depend on the type –
see the Instructions for Use of the installed DrägerSensor
900 ±100 mL/min;
Hose inside diameter 4 mm, hose outside diameter 6 mm
4 mA to 20 mA
3.8 mA
20 mA to 20.5 mA
<3.2 mA; 21 mA
3.4 mA ±0.2 mA constant
HART compatible, transmission on 2-wire shielded cable
optionally LON
24 V DC ±2 V; 1.5 A
M20x1.5, for cable diameter 6 to 12 mm (0.24" to 0.47")
Specifications for the sensor: see the Instructions for Use for the DrägerSensor
o
0 to 40
C
700 to 1300 hPa
0 to 99 % relative humidity, no condensation
150 mm x 125 mm x 300 mm
approx. 2.4 kg
Electromagnetic compatibility (Directive 89/336/EEC)
IP 21
A1, A2, Fault
normally energised (for fail-safe operation)
1-pole changeover (SPDT)
5 A at 30 V DC; 5 A at 250 V AC
Technical Data
Page 63 of 72 Pages

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