Dräger Polytron 2000 User Manual

Faults, cause and remedy
Dräger Polytron 2000 15
7 Faults, cause and remedy
8 Technical data
The measuring range and performance characteristics are dependent on the sensor installed – see the Instructions for Use for
the sensor.
Fault Cause Remedy
Flashing display Sensor warming up Wait until warm-up phase is finished.
Display Device fault,
e.g. incorrect sensor installed
Use only a sensor with the gas type, item no.
and measuring range corresponding to the
data on the unit label.
Display Full scale reading exceeded Wait until the gas concentration is within the
measuring range.
Display Too far below zero-point If it occurs frequently: calibrate zero-point.
CE mark Electromagnetic Compatibility (Directive 2004/108/EC)
Protection Class IP 66 / IP 54, as per EN 60 529 / IEC 529 (NEMA 4)
Signal transmission to
the central controller
Analog
Output current 4 mA to 20 mA
Readings below the measuring range 3.8 mA to 4 mA
Measuring range exceeded 20 mA to 20.5 mA
Device malfunction <3.2 mA
Maintenance signal 3.4 mA ±0.2 mA constant
Supply voltage
Supply voltage 12 V DC to 30 V DC
Protection from polarity reversal
Terminals for 0.5 to 2.5 mm
2
(20 to 14 AWG).
Physical specifications
Cable entry M20x1.5, for 6 to 12 mm cable diameter
Dimensions (H x W x D) 166 mm x 135 mm x 129 mm
Weight approx. 0.9 kg / 2.0 lb
Environmental conditions Specifications for the sensor: see sensor data sheet
in operation
–40 to 65 °C (–40 to 160 °F)
1
700 to 1300 hPa
0 to 100 % r.h., non-condensing
in storage -40 to 70 °C (-40 to 150 °F)
700 to 1300 hPa
0 to 100 % r.h., non-condensing
1 The display readability is restricted at temperatures below –20 °C (–5 °F).

Dräger Polytron 2000 Specifications

General

Brand	Dräger
Model	Polytron 2000
Category	Transmitter
Language	English