Gastech Hand-held Methane gas detector [MAM-2510]

Specification
1.Measurement range: 0 – 25%LEL, 0 – 100%LEL
2.Sampling method: Diaphragm pump
3.Measurement method: Catalytic combustion gas sensor
4.Display: Analog metre (backlit)
5.Indicating accuracy: +/- 5% of full scale
6.Alarm threshold and signal: Intermittent sound and blinking alarm light
7.Alarm threshold and signal: 20% LEL
8.Power source:
– Three size C alkaline dry cell batteries for 8 hours of operation (without alarm signal being emitted)
– Three size C manganese dry cell batteries for 4 hours of operation (without alarm signal being              emitted)
9.Dimensions: 151(W) x 71(D) x 115(H)
10.Weight: 1.1kg
11.Explosion proofing: Certified by Japan Ministry of Health, Labour and Welfare (Class id3aG3 No.T62339)