*mydirectindustry

MWS 903

Product catalog summary

Overview: The MWS 903 is a multi-channel gas warning system designed by ADOS GmbH for continuous monitoring of air quality, providing early warnings for dangerous, explosive, and non-combustible gases and vapors. It supports up to 8 gas transmitters.

Technical Specifications:

Sensor Inputs: Supports 8 two- or three-wire sensors with a 4-20 mA current interface.
Sensor Supply: 24 V= / 200 mA.
Measurement Ranges: CO (0-300 ppm), NO2 (0-30 ppm), CH4 (0-100% LEL), CO2 (0-10 Vol %), with other ranges available on request.
Ambient Temperature: Operates between -10 °C to +40 °C.
Digital Inputs/Outputs: 1 input for siren cancel, up to 12 alarm outputs, 1 fault relay, 1 siren relay, and 1 warning banner relay.
Output Signals: Analog output 4-20 mA, serial interface RS 232.
Mains Connection: 230 V / 50 Hz, with optional 115 V / 60 Hz or 24 V=.
Dimensions and Weight: 240 x 160 x 90 mm, approx. 2 kg.
Protection: IP 54, compliant with DIN 40050.

Applications: Suitable for use in heating systems, garages, liquid gas storage rooms, laboratories, cold-storage houses, plastic processing plants, chemical industries, paint manufacturing plants, and more.

Features:

6-section keyboard and illuminated 4-line LC-Display for real-time and average value display.
Ready, Fault, and Gas warning displays.
Menu-assisted settings for equipment parameters.
Two independently adjustable alarm thresholds per sensor.
12 floating alarm outputs for additional warning and control devices.
Floating change-over contacts for fault, siren, and warning banners.
RS 232 serial interface for printer or PC connection.
Plastic, wall-mounted housing with high operational reliability and low current consumption.

Accessories: Includes signal horn (siren), warning light, warning banner, test meters, plotter, and stand-by power supply UPS 2000 24 V. Additional accessories are available based on system requirements.

Catalog excerpts

MULTI-CHANNEL GAS WARNING SYSTEM ADOS GmbH Trierer Strasse 23-25 · 52078 Aachen · FRG

Open the catalog to page 1

MULTI-CHANNEL GAS WARNING SYSTEM Application The multi-channel gas warning equipment MWS 903 continuously monitors the surrounding air and provides an early warning of dangerous, explosive and noncombustible gases and vapours. Possibility to connect up to 8 gas transmitters to the unit. Fields of Application Monitoring of: ■ Heating systems ■ Garages ■ Liquid gas storage rooms ■ Laboratories ■ Cold-storage houses ■ Plastic processing plants ■ Chemical industries ■ Paint manufacturing plants ■ Concentration measurement of O2 ■ and many more Features 6-section keybord and illuminated 4-line LC-Display...

Open the catalog to page 2

All ADOS GmbH, Mess- und Regeltechnik catalogs and technical brochures

Archived catalogs

KM 2000 CnHm EM | Hydrocarbon Analyser
4 Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list