Product description:

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)

Detection Range—

5 to 120 meters

calib ration—

Calibrated for methane at the factory.

response tim e—

T90: <5 seconds

Temperature Range—

Operating: –40°C to +60°C (–40°F to +140°F)

Storage: –55°C to +85°C (–67°F to +185°F)

HUMIDITY —

5 to 99% relative humidity; designed for outdoor applications.

Measurement Range—

0-5 LFL-meters

Interference resistance—

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

devices.

Optic s Protection—

Stainless steel brow protects against windblown dirt and

rain. Heated optics minimize ice and dew formation.

Wi ring—

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).

ingress protection—

NEMA 4X, IP67

Shi pping Weight—

Transmitter (with mounting hardware): 35 pounds (16 kg)

Receiver (with mounting hardware): 35 pounds (16 kg)

warranty—

2 year limited warranty from date of manufacture.

Certific ation—

• 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

IEC