Sampling gas detector for combustible gases, toxic gases, oxygen and VOCs. An integrated diaphragm pump draws gas through a sampling line for checks in the required area. Detachable cartridge-type sensors simplify replacement. The colour LCD shows concentration and operating information, with front-panel keys for calibration and settings. A rechargeable battery provides up to 10 hours of continuous operation. Flow rate: 100–650 ml/min, normally 300–500 ml/min. Operating temperature: -20°C to 50°C. Dimensions: 208 × 95 × 100 mm; weight: 1.1 kg.