Product Name: Portable Ozone Monitor Product Type: HD2000L-O3 1. Product Overview: HD2000L portable ozone detector, is a way of using pumped continuously detect the concentration of ozone gas in the air intrinsically safe equipment, imported electrochemical sensors, can accurately and quickly detect the outlet concentration of ozone concentration and ozone generator and effective control to ensure that the operating environment of the ozone concentration levels high and low alarm function intelligent great to meet the industrial site safety monitoring device for high reliability requirements. Professional portable design for easy moving and beautiful to use, this product is widely used in petroleum, chemical, metallurgy, refining, pharmaceutical, home environment, schools, laboratories, and other fields. 2. Main features:??? ◆ simple operation six buttons, and can quickly and accurately set the parameters and calibration data ◆ using high-capacity rechargeable lithium battery, can work long hours ◆ definition digital LCD backlight LCD design, the user You can set yourself high and low alarm points ◆? built-in super suction pump, easy to detect inaccessible environments ◆? sensor using imported electrochemical ozone sensors ◆? can manipulate the data and restore the factory settings and other functions for the user to solve the improper operation bring trouble ◆ unique housing design, non-slip, dustproof, easy to wear and 0:00 ◆ own goal point calibration function test gas: ozone O3 detection principle: electrochemical principles (sensor life 3 years) Sampling Method: pump-priming the test results more quickly and accurately measuring range: 0-1ppm, 0-5ppm, 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm, 0-200ppm, 0-500ppm, 0-1000ppm, 0-2000ppm, 0 -5000ppm, 0-10000ppm, 0-30000ppm (optional, not listed range can be customized) Resolution: 0.001ppm (1-5ppm), 0.01ppm (0-100ppm), 0.1ppm (100-1000ppm), 1ppm (1000ppm above) detection accuracy: ≤ ± 3% FS (actual accuracy, depending on the specific requirements of high-precision sensors may be) Response time: ≤20S Recovery time: ≤20S Repeatability: ≤ ± 1.0% Operating humidity: 5-95% RH non-condensing Operating temperature: -20 ℃ ~ 60 ℃ Protection: IP65 Explosion levels: ExiaⅡCT6 (intrinsically safe) Alarm: sound and light alarm, decibel value: ≤90 dB Housing material: Special Materials detector easy to wear, corrosion Power supply: 3.7VDC, 1700mA built-in high-performance rechargeable lithium battery with charging protection function Dimensions: 130 × 63 × 34mm (L × W × H) Weight: 260g Accessories: charger, box, manual, certificate warranty card Warranty: One year free maintenance machine warranty, the warranty period