Technical Data - Dräger VarioGard IR EX Gebrauchsanweisung

Technical Data

Gas Type
Dimensions
(WxHxD,mm)
Weight
Operating voltage
Alarm thresholds
Alarm conditions
Display
Alarm functions
relay Only via controller
optical Only via controller
audible Only via controller
acknowledgement Controller
Sensor type
Measuring range
Response time (T90)
Resolution
MTBF
Operating temperature
Storage temperature
Relative humidity
Air pressure
Connection cable
Housing, degree of
protection
Approvals
Methane
Without power supply
120x145x100
600 gr.
12 .. 30 VDC
Factory settings:
Pre alarm: 20% LEL;
Main alarm: 40% LEL
Adjustment range:
Pre alarm: 0-99% LEL;
Main alarm: 0-99% LEL
0%LEL < A1 < A2 <
99%LEL
LCD, 2-line dot matrix
display,
back-lighting
NDIR, temperature compensated infrared sensor, 2-
beam measuring method
0 – 99% LEL
< 40 sec.
+/- 1% LEL
10 years
-30 to + 50°C
-30 to +60 °C
0 to 99% rel. humidity, no condensation
900 – 1100 hPa
2
E.g. NYM 3 x 0,75 mm
IP54 (housing)
CE complying with 73/23 EEC, 89/336 EEC
Methane
With power supply
120x145x100
2 kg
230, 115 VAC +/- 10%,
50 / 60 Hz
Factory settings:
Pre alarm: 20% LEL;
Main alarm: 40% LEL
Adjustment range:
Pre alarm: 0-99% LEL;
Main alarm: 0-99% LEL
0%LEL < A1 < A2 <
99%LEL
LCD, 2-line dot matrix
display,
back-lighting
2 relays (5A 230VAC)
External via relay possible
External via relay possible
Controller
Complying with EN50194
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