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Gas monitor unit- MWS 906CP

The multi-channel gas warning equipment MWS 906 CP continuously monitors the ambient air and issues an early warning of gases and vapours that are dangerous to health, or when there is a danger of explosion, for noncombustible gases and vapours. In conjunction with the ADOS TOX 592 CO gas measurement sensor, the MWS 906 CP satisfies all requirements of the VDI-guideline 2053.
 
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  • 6-section keyboard and backlit 4-line LC-display for displaying actual values, half-hourly average values and fault messages in cleartext
  • Ready for operation, fault and gas warning indicators
  • Menu-assisted adjustment of equipment parameters via 6-section keyboard
  • Two monitoring areas (levels)
  • Five alarm thresholds for each sensor, independently
    adjustable from 5-100% of the measurement range,
    also possible to from half-hourly average values
  • 8 floating outputs for driving additional warning and
    control devices
  • Floating change-over contact for sirens and warning
    banners for each level
  • Serial output RS 232, for connecting a printer or PC
  • 4-20 mA current interface as output signal
  • Plastic, wall-mounting housing (IP 54)
  • High degree of service reliability
  • Low power consumption
  • Easy installation
  • Un-interruptible power supply (UPS) can be used
Examples of measurable gases

Gas Formula
Carbon monoxide CO
Nitrogen dioxide NO2
Petrol  
Methane (natural gas) CH4
LPG C3H8 C4H10
Hydrogen H2


  Technical Data 

Sensor inputs: 16 two- or three-line sensors
(e.g. ADOS GTR 196)
with current interface
4 – 20mA
Sensor supply: 24 V= / 1A
Measurement ranges: CO 0–300 ppm
NO2 0–30 ppm
Petrol 0–100 % LEL
CH4 0–100 % LEL
LPG 0–100 % LEL
H2 0–100 % LEL
other ranges by request
Digital inputs: 1 input for cancelling the horn
(siren)
Digital outputs: upto 2 alarm levels, each with
6 relays, of which, for each level:
3 average values
1 instantaneous value
1 horn
1 warning banner
1 fault relay
1 service relay
All outputs have floating
change-over contacts
rated at max. 250 V / 4 A
Standard output signals: Analog output 4 – 20 mA
Serial interface RS 232
Voltage supply: 230 V / 50 Hz
115 V / 60 Hz (optional)
24 V= (optional)
Power consumption: max. 30 VA
Ambient temperature: -10 °C to +45 °C
Dimensions (WxHxD): 360 x 265 x 160 mm
Weight: approx. 4 kg
Protection type: IP 54 to DIN 40050
Accumulator operating time: >10 h for a real ”mains fault“
display
with UPS 2000-24V/4 Ah: >1 h optional, retaining all
equipment functions
Test certificate: German Technical Inspectorate
approval, according to VDI 2053 in conjunction with ADOS
TOX 592 CO
  • Heating systems
  • Garages and tunnels
  • Liquid gas storage plants
  • Laboratories
  • Cold-storage depots
  • Plastic processing workshops
  • Chemical industries
  • Paint varnish manufacturers
  • Concentration measurement of O2
  • and many more
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