MWS 897 Многоканальный газосигнализатор

Производитель: ADOS
Модель: MWS 897
Наличие: Есть в наличии

MWS 897 Multi-Channel Gas Analyser

The multi-channel gas warning unit ADOS MWS 897 continuously monitors the ambient air and provides an early warning of hazardous, explosive and non-combustible gases and vapours.

It is suitable for the connection of 6 x “2-wire” or 3 x “3-wire” sensors.

Features

  • Use of various types of measurement sensor

  • Ready, fault and gas warning indicators

  • Menu-aided operation, via 2 keys

  • Integrated buzzer, gas half-hourly average value selectable

  • Three alarm thresholds individually adjustable from 0-100 % of test range

  • Three floating alarm outputs for driving additional warning and control systems

  • Floating fault contact

  • Serial output RS232 for connecting a printer or a PC

  • High degree of reliability

  • Low current consumption

  • Plastic, wall-mounting housing

  • Easy installation

  • Straightforward operation

Fields of Application

Monitoring of:

  • Heating systems

  • Garages and tunnels

  • Liquid gas storage rooms

  • Laboratories

  • Cold storage houses

  • Plastic processing plants

  • Chemical industries

  • Paint manufacturing plants

  • Concentration measurement of O2

  • and many more

Technical Data

Sensors:

Semiconductor sensor 
Heat reaction sensor 
Thermal conductivity sensor 
Fuel cell 
Infrared cell

Sensor inputs:

6 two-wire sensors 
(e.g. TOX 592) 
or 3 three-wire sensors 
(e.g. GTR 196)
or 2 three-wire sensors + 
4 two-wire sensors

Sensor supply:

19 V = / 200 mA

Ranges:

CO   0 - 300 ppm
NO2 0 - 30 ppm
CH4 0 - 100 % LEL
CO2 0 - 10 Vol %
further ranges on request

Accuracy:

< 3 % , f.s.d.

Ambient temperature:

- 10°C to + 40°C

Temperature effects:

< 3 % for ±20°C change

Response time (t90):

< 60 s

Installation:

Wall-mounting

Protection class:

IP 54

Output signal:

Voltage output, 1 - 5 V 
RS 232 interface
3 Alarm relays
1 Fault relay

Relay rating:

230 V, 450 VA 
other voltages on request

Voltage supply:

230 V, 50 Hz 
115 V, 60 Hz (optional) 
24 V / DC (optional)

Consumption:

14 VA

Dimensions (WxHxD):

225 x 180 x 105 mm

Weight:

approx. 1,5 kg

Measurable gases

Gas

Formula

Acetylene

C2H2

Ether

C4H10O

Alcohol

e.g. C2H6O

Ammonia

NH3

Petrol

 

Butane

C4H10

Chloroform

CHCl3

Hydrogen chloride

HCl

Helium

He

Carbon dioxide

CO2

Carbon monoxide

CO

Methane (natural gas)

CH4

Neon

Ne

Propane

C3H8

Oxygen

O2

Carbon tetrachloride

CCl4

Toluene

C7H8

Hydrogen

H2

Xylene

C8H10

Accessories

Signal horn, warning light, warning banner, ventilation control, test meters, plotter.

Additional accessories are available, depending on the system ordered.

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