The multi-channel gas warning unit MWS 906 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 non-combustible gases and vapours.
技術(shù)參數(shù)
產(chǎn)品特點(diǎn)
應(yīng)用領(lǐng)域
資料下載
Examples of measurable gases
Gas
Formula
Acetylene
C2H2
Ether
C4H10O
Alcohol
e.g. C2H6O
Ammonia
NH3
Petrol
Butane
C4H10
Hydrogen chloride
HCl
Helium
He
Carbon dioxide
CO2
Carbon monoxide
CO
Methane (natural gas)
CH4
Neon
Ne
Propane
C3H8
Oxygen
O2
Toluene
C7H8
Hydrogen
H2
Xylene
C8H10
Technical Data
Sensor inputs:
16 two- or three-line sensors
(e.g. ADOS GTR 196)
with current interface
4 – 20mA
max. 48 relays for alarms
1 fault relay
1 horn relay
1 warning banner relay
All outputs are 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 / DC (optional)
Power consumption:
max. 60 VA
Ambient temperature:
-10 °C to +45 °C
Dimensions (WxHxD):
390 x 270 x 160 mm
Weight:
approx. 5 kg
Protection type:
IP 54 to DIN 40050
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
Three alarm thresholds for each sensor, indepen-
dently adjustable from 5-100% of the measurement range, also possible to from half-hourly average values
A maximum of 48 floating outputs for driving additional warning and control devices
Floating change-over contact for faults, sirens and warning banners
Serial output RS 232, for connecting a printer or PC