| 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 | 
| Sensor inputs: | 8 two-or-three-wire sensors  (e.g. LCTR 903) with current interface, 4–20 mA  | 
        
| Sensor supply: | 24 V= / 200 mA | 
| Ranges: | CO 0-300 ppm NO2 0-30 ppm CH4 0-100 % UEG CO2 0-10 Vol % other ranges on request  | 
        
| Ambient temperature: | -10 °C to +40 °C | 
| Digital inputs: | 1 input for siren cancel | 
| Digital outputs: | max. 12 alarms  1 fault relay 1 siren relay Warning banner relay All outputs have floating change-over contacts, max. rating 250 V / 4 A  | 
        
| Standard output signals: | Analog output 4–20 mA serial interface RS 232 | 
| Mains connection: | 230 V / 50 Hz 115 V / 60 Hz (optional) 24 V / DC (optional)  | 
        
| Dimensions (WxHxD): | 240 x 160 x 90 mm | 
| Weight: | approx. 2 kg | 
| Protection type: | IP 54 according to DIN 40050 |