|0 to 300 ppm
(300 to 2,000 ppm)
|Alarm Set Value
||50ppm (first stage), 150ppm (second stage),
150ppm・h (time weighted average)
||30s or less (90% of final reading)
||LCD (Manual backlight)
||Buzzer sounds, flashing red light, vibrator
||Ex ib IIB T3 (TIIS)
||Remaining battery level, peak hold, peak value memory, readout
of time weighted average, alarm functions except gas alarm (time
weighted average value, sensor malfunction, remaining battery level,
||-10°C to +40 °C, 30 to 90 %RH (non-condensing)
|Operation Air Pressure
||Air pressure ±10%
||1 x AAA alkaline dry cell
||Up to 5000 hours (at 20°C with less than 20ppm)
||W65 x H64 x D22 mm (excluding protrusions)
||Approx. 75g (including battery)
||1 x AAA alkaline dry cell, 1 x safety pin adaptor (with fixing screw)
*1 Under identical measuring conditions.
*2 Operating at 20 ±2°C.
*3 Battery life may vary with ambient conditions, conditions of use, storage period, battery manufactures, etc.