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.
Наши партнеры
Agilent Technologies Armenia