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ADOS GmbH
Instrumentation and Control
Trierer Strasse 23 – 25
52078 Aachen
FRG
Phone: +49 (0)241 / 9769 - 0
Fax: +49 (0)241 / 9769 - 16
info@ados.de
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Biogas 401
| Multi-Channel Gas Analyser
Application
The Biogas analyser monitors either continuously or intermittently, the gas components contained in the Biogas and optionally, monitors the surrounding air to provide an early warning of dangerous, explosive and non-combustible gases and vapours.
Fields of Application
Monitoring of Biogas components
Warning of explosive gas mixtures
Warning of gases that endanger health
Warning of non-combustible gases
Measurable gases
Gas
Formula
Hydrogen sulphide
H
2
S
Methane
CH
4
Oxygen
O
2
Carbon dioxide
CO
2
Accessories
Signal horn, warning light, warning banner, plotter.
Other accessories will be offered, according to the measurement tasks required.
Product data sheet
Biogas 401
Features
Use of various types of measurement sensor
Direct indication of a warning state on an LC-display with coloured background lighting
Menu-assisted operation via 2 keys.
3 alarm levels, independently adjustable from 5 to 100% of the test range selected.
3 floating alarm outputs for driving external warning and control equipment.
Floating contact connections for fault and mains failure
Serial interface output, RS232 or RS485
4-20mA current interface.
Various types of housing available, e.g. 19" rack system, wall-mounting cabinet
Up to 6 measurement channels per unit.
1 card as Master, for controlling intermittent operation Biogas measurement time and test interval
Extreme service reliability.
Low current consumption.
Peltier cooling element with condensate pump
Flow-through adjustement
Gas components - filter system and conditioning
Water sensor for the detection of condensate break-through
Technical Data
Sensors:
Chemical sensors
Infrared sensors
Semiconductor sensors
Sensor inputs:
2-wire sensors (TOX 592) or
3-wire sensors (GTR 196)
for warning of explosive
gas mixtures
Sensor supply:
20 V DC / 200 mA
Ranges:
H
2
S : 0-500 ppm
CH
4
: 0-100 Vol %
CH
4
: 0-100 % LEL
O
2
: 0-21 Vol %
CO
2
: 0-50 Vol %
other ranges, by request
Accuracy:
±3 % , f.s.d.
Ambient temperature:
<5 % at -4 °F to + 68 °F
Installation:
Wall-mounting
Output signal:
Current output 4-20 mA
RS 232 or RS 485 interface
For each measurement channel:
3 Alarm relays
1 Fault relay
Relay rating:
230 V, 450 VA
Voltage supply:
115 V, 60 Hz
230 V, 50 Hz (optional)
Power Consumption:
100 VA
Dimensions (WxHxD):
23.6 x 18.8 x 19.7 inch
Weight:
approx. 110.23 lbs
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