Input Voltage (Both Modules)—
24 Vdc nominal. Operating range is 18 to 30 Vdc.
Ripple cannot exceed 0.5 volts P-P.
alarm relay setpoint range—
Low Alarm: 0.25 to 3 LFL-meters (default = 1 LFL-meter)
High Alarm: 1 to 3 LFL-meters (default = 2 LFL-meters)
5 to 120 meters
Calibrated for methane at the factory.
response tim e—
T90: <5 seconds
Operating: –40°C to +60°C (–40°F to +140°F)
Storage: –55°C to +85°C (–67°F to +185°F)
5 to 99% relative humidity; designed for outdoor applications.
Immune to sun and flare radiation, up to 750 W/m2 ≥ 3°
to optical axis and common contaminants.
SELF -DIAGNOST IC TEST —
Fail-Safe operation ensured by performing all critical
tests once per second.
Module Housing Material—
CF8M stainless steel (castable 316 equivalent)
Conduit Entry Options—
Two entries, 3/4 inch NPT or 25 mm
HART COMMUN ICAT ION PORT —
Intrinsically safe port on receiver to connect HART
Optic s Protection—
Stainless steel brow protects against windblown dirt and
rain. Heated optics minimize ice and dew formation.
Field wiring screw terminals are UL/CSA rated for up to
14 AWG wire, and are DIN/VDE rated for 2.5 mm2 wire.
Screw terminal required torque range is 3.5–4.4 lb.-in.
(0.4-0.5 N·m). Receiver can be wired using 3 or 4 wires.
Transmitter requires two wires (power only).
NEMA 4X, IP67
Shi pping Weight—
Transmitter (with mounting hardware): 35 pounds (16 kg)
Receiver (with mounting hardware): 35 pounds (16 kg)
2 year limited warranty from date of manufacture.
FM & CSA: Class I, Div. 1, GroupsB, C & D (T4)，Class I, Div. 2, Groups A, B, C & D (T4).
CENELEC: EEx d e [ib] IIC T5