Bosean BH 90A-NH3 Single Gas Detector

Single Gas Detector ¤ SPECIFICATIONS: Model: NH30 Range: 100ppm Resolution: 0.1/1ppm L- alarm: 20ppm H-alarm: 50ppm Accuracy: ≦ 5% F.S. Response time: T＜30s Indication: LCD indicates the time and state Indication of alarm, fault and low voltage with LED, sound, vibration Operating Environment Operating temp: -40℃～70℃ ( combustible gas) Operating temp: -20℃～50℃ ( toxic gas) Humidity: ＜95%RH non-condensing    Operating voltage: DC3.7V Li batt 1500mAh Working time: ≧8h continuously  Charging time: 4h～6h Sensor life: 2 years Protection category: IP65  Weight: 130g Dimension: 100×60×30 mm