| Supply Voltage / Protection | 12 to 30 VDC / 0.5A Socketed Pico Fuse |
| Supply Current / Power Consumption | 125 mA maximum (80 mA, typical) / 3.75 Watts maximum |
| Maximum Load ( at 24 VDC) | 700 Ohms (500 Ohms at 20 VDC and 200 Ohms at 12 VDC) |
| Output Signal | 4-20 mA (3-Wire; Power, Gnd/Com, Signal) |
| Zero Drift | < 2% of Range / Month at 68°F (20°C) |
| Response Time (T90) | < 30 Seconds, typical (< 10 seconds for 50% Full Scale Step Change) |
| Sensor Warm Up Time | 24 Hours (Allow 24 hours before calibrating sensor after initial installation) |
| Sensor Type | Dual Element Poison Resistant Catalytic Pellistor Bead |
| Sensor Gas Types | Hydrocarbon Combustible Gases |
| Sensor Life Expectancy | 3 to 5 years, typical |
| Unit Shelf Life | 6 Months from date of purchase (Must be installed and operational) |
| Replacement Sensor | Contact ACI |
| Operating Temperature | -40 to 122°F (-40 to 50°C) |
| Operating Humidity | 0 to 99% RH, non-condensing |
| Operating Atmospheric Pressure | 14.696 psi (1.0132 bar) +/- 10% |
| Recommended Storage Temperature/Humidity | 32 to 68°F (0 to 20°C) / 15 to 90% RH, Non-Condensing |
| Wiring Connections / Wire Size | Screw Terminal Blocks / 16 to 24 AWG (0.51 to 1.30 mm) Shielded Twisted Pair |
| Terminal Block Torque Rating | 0.37 ft-lb (0.502 Nm) Nominal |
| Approvals | RoHS, CSA-4828-02 inspected to C22.2 No. 30 and C22.2 No. 142 (CSA File #: 088890 0 000) |
| Product Weight | 5.00 lbs (2.27 kg) |
| Configuration | Hydrogen |
| Enclosure | Aluminum, Epoxy Coated Weatherproof Industrial NEMA 4X, 7, 9 Enclosure |
| Sensor Guard | No Protective Sensor Guard |
