poisonous and harmful intelligent gas detection instrument

TN4+ series portable intelligent gas detector, adopts the most advanced large scale integrated circuit technology, the international standard of intelligent technology level design technology and proprietary digital simulation mixed communication technology and design completely intelligent gas detection instrument. TN4+ series gas detection instrument advanced technology, excellent performance, high stability, can detect the gas variety, with recovery factory default Settings and since diagnosis function, use and maintenance convenience, greatly satisfy the industrial site safety monitoring of equipment with high reliability requirements, widely used in petroleum, chemical, environmental protection, metallurgy, refining, gas transmission and distribution, biological medicine, agriculture, etc 2.Technical characteristics 1..high precision, high resolution 2.broad range, the most massive ranges from 0 to 50000ppm or 0 ~ 100% Vol 3.Plug and play international standard intelligent sensor, on-site maintenance is very convenient 4.unique LCD with backlighting design technology, field observation, the maintenance of equipment beset by changing light no longer Entire range range of digital temperature compensation 5.through three buttons can realize view, setting, calibration, and other functions 6.this Ann circuit design, shell rainproof, corrosion resistance and wear resistance 7.large capacity rechargeable lithium battery and charging protection circuit 8.a key to restore function, let you when operating worry-free 3.Technical parameters Shell material:ABS Envelop dimensions:1255230mm(LWH) Explosion-proof level:Exia II CT6 Protective level:IP65 The weight:200g Accuracy:3%F.S. Detecting way:Ciffusion Type or Pump suction method Concentration unit:ppm.%VOL.%LEL.mg/m3 Acousto-optic alarm means:, vibration Working temperature: - 40 ~ 70 Work humidity: 0 ~ 95% RH not gel Working voltage: 3.6 VDC Alarm current: 120mA The working current: KuoSanShi 10mA, pump suction method 60mA Battery capacity: 1800mA, take charge protection circuit Charger specification: 4.2 VDC, 1A