Type :
Gas detector using Semiconductor, Electrochemical, Infrared or Catalytic Bead sensor.
For one or two sensor configuration
Gases :
Toxic gases : Ammonia, Carbon Dioxide, Carbon Monoxide, Ethylene, Nitrogen Dioxide and Ozone
Combustible gases : Methane, Propane, Butane and LPG
Refrigerants : Ammonia, Carbon Dioxide, Hydrocarbons, and HFCs, HCFCs, CFCs

Measuring Range :
O2 : 30 Vol%
CO : 1,000 ppm
NH3*,*** : 100 / 1,000 / 5,000 / 10,000 ppm / 100 %LEL
CO2 : 5,000 / 10,000 / 20,000 / 30,000 / 40,000 / 50,000 ppm
Refrigerants : 1,000 / 10,000 ppm
Combustible gases :
100 %LEL
C2H4 : 2,000 ppm
NO2*** : 20 ppm
Display : 5-digit, 7-segment red LED and green status LEDs
Output analog : 4 to 20 mA, 0 to 5 V, 0 to 10 V, 1 to 5 V, 2 to 10 V
Output digital : Modbus RTU via RS 485
Power supply : 19.5 to 28.5 VDC or 24 VAC ± 20%; 3- or 4-wire
Relay :
3 relays, SPDT, user assignable
Rating 1 A @ 24 VDC, 0.25 A @ 240 VAC, resistive load
Alarm delay 0 to 15 minutes; user-programmable
Ambient conditions :
Temperature : - 40 to +120 °F (40 to +50 °C)
Humidity : 5 to 90 %RH, non condensing
Altitude : 0 to 10,000 ft (3,050 m)
Enclosure options :
General purpose : IP66 Rated ABS with four M20 x 1.5 ports
Rugged, Explosion-Proof Certified****: Powder coated, copper free aluminum, with four M20 x 1.5 ports
Size (w x h x d) :
General purpose : 8.3” x 8.9” x 3.4” (210 x 225 x 85 mm)
Rugged, Explosion-Proof Certified****: 4.9” x 7.5” x 3.5” (125 x 190 x 90 mm)
Weight :
General purpose : 2 lbs (1 kg)
Explosion-proof : 3.5 lbs (1.6 kg)
Approvals : CE, UL, CSA, IEC, EN 61010-1