Sensor slot: 1
Detection principle: dual EC
Detection range (increments): 0 to 2000 ppm (1 ppm)
Accuracy: ±5% of reading or ±5 ppm CO (whichever is greater)
Hydrogen Sulfide (H2S)
Sensor slot: 1
Detection principle: dual EC
Detection range (increments): 0 to 200 ppm (0.1 ppm)
Accuracy: ±5% of reading or ±2 ppm H2S (whichever is greater)
Combustible Gases (Methane as standard)
Sensor slot: 2
Detection principle: catalytic combustion
Detection range (increments): 0 to 100% LEL (1% LEL)
Accuracy: ±5% of reading or ±2% LEL (whichever is greater)
Oxygen2
Sensor slot: 3
Detection principle: EC
Detection range (increments): 0 to 40% volume (0.1%)
Accuracy: ±5% of reading O2
General Specifications
Sampling Method
Diffusion sampling standard
Display
Digital LCD displays with 7 segment plus 14 segment plus icon
Types of Alarms
Gas Alarm: 3 increasing alarms, STEL, TWA, overscale alarm
Trouble alarm: sensor disconnection, low battery, circuit error, calibration range error
Display of Alarm
Gas alarm: Flashing LEDs, continuous buzzer (100 db at 30 cm), flashing gas value, vibration
Trouble alarm: flashing LEDs, intermittent buzzer (95 db at 30 cm), display of error message
Operating Temperature and Humidity
-4 to 122°F (-20 to 50°C), 10 to 90% RH, non-condensing (continuous environment)
-40 to 140°F (-40 to 60°C), 0 to 95% RH, non-condensing (temporary environment, 15 minutes)
Response Time
Within 30 seconds (T90)
Dimensions
2.4 x 2.63 x 1.06″ (61 x 67 x 27 mm) with rubber boot