Students thanks to the college entrance exam, superstitions intolerable. To things security protection is the most important advance. Portable oxygen concentration detector price, Wenzhou portable oxygen concentration detector, in advance to prevent the harm of peroxide or hypoxia. [Lyla (0531-58669819 15269173085) For further information, please call the company the] of Wenzhou portable oxygen concentration detector can be clearly harmful gases in the presence of low, high, TWA and STEL gas alarm. TWA, STEL and peak internal microprocessor with advanced technology, so that the alarm point can be adjusted, the records can be displayed according to the instructions. The price of the portable oxygen concentration detector, Wenzhou portable oxygen concentration detector languages ??display selection, convenience to users around the world. Automatic test and calibration station compatible, full-function self-test of sensor, battery status, circuit integrity and sound / visual alarms on start-up. The battery has excellent service life, easy to replace and sustainable use of up to 2 years old, 3 V, to ensure the consecutive trips uninterrupted work. Concentration of oxygen leak detector parameters: sampling methods: diffusion-detection range: 0-100% LEL accuracy: ± 5% (FS) Alarm volume: ≥ 80dB Response time: ≤ 30s recovery time: ≤ 60s proof grade: Exd Ⅱ CT3 alarm point : Low reported 25% LEL high reported 50% LEL Power: NI-MH 4.8V 1300mAhr rechargeable battery indicator mode: 3 LED digital display with status indication of the use of the environment: temperature -40 ℃ ~ 70 ℃ Humidity <90% RH no condensation Dimensions: 120mm * 38mm * 68mm concentration of oxygen leak detector main features: high-speed CPU processor, fast and accurate processing system tasks, to ensure the reliability of the detector using imported gas sensors, high precision, reliable strong response and faster recovery time, good gas selectivity, anti-interference ability LCD display, real-time display gas concentration, LCD organic light-emitting screen, shock resistance, good volume, light weight, low power consumption, easy to carry using High-performance lithium battery, long working hours, while charging protection and low voltage protection, ensure that the battery is more reliable, longer life quick warm-up, the response time of rapid extension tube design, gas detector without dead ends factory direct portable oxygen concentration detector prices, Wenzhou portable oxygen concentration detector, greatly discount waiting for you, quickly give us a call now, we will not let our customers disappointed Oh! ! ! ! !