4 Gases to choose from: LEL, CO, H2S, or O2 Operates 3,000 hrs. on alkaline batteries (16 hours for LEL version) Pocket size 1.4”(W) x 4.1”(H) x 0.8”(D) Light weight 3.5 ounces Audible / visual / vibration alarms Automatic backlight during alarm Peak Hold, S & TWA Low battery alarm Impact and water resistant Intrinsically safe, CSA, C / US classified 2 year warranty
Gas alarms: 1st and 2nd (user adjustable), OVER alarm, S and TWA Trouble alarms: Sensor connection, low battery circuit failure, and calibration range error
Alarm Indication
Gas alarm: Flashing LED's, intermittent buzzer, flashing gas value, and vibration Trouble alarm: Flashing LED's, intermittent buzzer, and display of error message S & TWA alarms: Flashing LED's, intermittent buzzer, flashing gas value, and vibration
Preset Alarms (User Adjustable)
Diffusion
Response Time
T90 in 30 seconds (alarms within 5 seconds when exposed to 12% O2)
T90 in 30 seconds
Accuracy
+/- 0.5%vol.
+/- 5 ppm (up to 150 ppm)
+/- 1.5 ppm (up to 30 ppm)
+/- 5% of full scale
Power
Alkaline dry cell (2-AAA size)
Alkaline dry cell Ni-Cad battery pack
Continuous Operation
Alkaline dry cell: more than 3,000 hours (at 25°C, no backlight)
Alkaline: 16 hours Ni-Cad: 8 hours
Safety
CSA classified, "C/US", as intrinsically safe. Class I, Div. 1. Group A, B, C & D
Dimension & Weight
1.4”W x 4.1”H x 0.8”D, (35 x 105 x 20mm); 3.5 ounces (100g)
Display
7-segment + symbol on digital LCD, auto backlighting during alarm
Special Functions
Manual backlight for LCD (automatically lit during alarm) Peak hold, S & TWA