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N/A Weatherproof, chemical resistant, RFI/EMI coated high impact polycarbonate-polyester blend. Can operate in rain or set into 2.0” of water without damage. Ergonomically balanced with rugged top mounted handle.


N/A 5 lbs (standard 4 gas with batteries)

Detection Principle

N/A Catalytic combustion, electrochemical cell, galvanic cell, infrared.

Sensor Life

N/A 2 years under normal conditions

Sampling Method

N/A Powerful, long-life pump (over 6,000 hours) can draw samples over 125 feet. Flow rate approximately 2.0 SCFH.


N/A 4 x 20 LCD readout. Viewed through window in case top. Displays readings & status of 4 channels simultaneously. Backlight, automatic for alarms and by demand with adjustable time.


N/A 2 alarms per channel plus TWA and STEL alarms for toxics. The two alarms are fully adjustable for levels, latching or self reset and silenceable.

Alarm Method

N/A Buzzer 85 dB at 30 cm, dual high intensity LED’s, and flashing display.


N/A 6 External glove friendly push buttons for operation, demand zero, and auto-calibration. Buttons also access LEL/ppm, alarm silence, peak hold, TWA/STEL values battery status and many other features.

Continuous Operation

N/A 30 hours minimum, using alkaline batteries, or 18 hours using Ni-Cad.

Power Source

N/A 4 Alkaline or Ni-Cad, size D batteries (Charger has alkaline recognition to prevent battery damage if charging is attempted with alkalines).

Operating Temperature, Humidity

N/A -10 ˚C to 40 ˚C (14 ˚F to 104 ˚F), 0 to 95% RH, non-condensing

Response Time

N/A 30 seconds to 90% (most gases) using standard 5 ft hose

Safety Rating

N/A Intrinsically Safe, Class I, Division I, Groups A, B, C, D. CSA (C/US) and UL classified (most versions)


N/A Two year material and workmanship