Gas detector CH4, 11...30VDC, 2x4-20mA/0-10V, RS485

Power supply: 11...30 VDC Range 0...100% LEL (0...5 %vol) CH4 Resolution 0,1 %LEL (50 ppm) CH4 Default alarm set-points 20 / 50 %LEL 2 × 4-20 mA / 0-10 V, RS485