The OX-100A digital oxygen meter is composed of an oxygen sensor (oxygen electrode) and a secondary meter. It is light, firm, and easy to carry.

Technical Parameters: OX-100A digital oxygen meter is especially suitable for the determination of oxygen content in the gas in the following situations: 1. The determination of oxygen content in industrial and mining enterprise environment, ship cabins, tunnels, chemicals, and fertilizer industries is very effective to avoid system explosions due to overoxygen in the production process, and to prevent suffocation accidents of maintenance personnel in an oxygen-deficient environment of. 2. Detect the oxygen content in the exhaust gas of internal combustion engine and the oxygen content in the flue gas to achieve reasonable control of combustion and save fuel. 3. Determination of oxygen content in controlled atmosphere storage of grains, fruits, vegetables, tobacco, Chinese herbal medicines, dried fruits, etc. 4. Analysis of oxygen content in ventilators, anesthesia machines, infant incubators in hyperbaric oxygen chambers, aerospace and diving operations in medical undertakings. 5. It is an indispensable experimental equipment for experiments in physics, chemistry, biology, etc. in middle schools, colleges, and medical schools. 6. It is suitable for the determination of oxygen content in the quality inspection of injections in meteorological departments and pharmaceutical factories. The working principle of OX-100A digital oxygen meter: The instrument sensor is a polarographic diaphragm oxygen electrode, using platinum cathode, silver-silver chloride anode, and potassium chloride as electrolyte. The diaphragm material is a 10μm polytetrafluoroethylene membrane. Some membranes selectively permeate oxygen. The electrode reaction is as follows: Cathode: O2+2H2O+2e→+4OH- Anode: Ag+Cl-e→AgCl The electrode current is proportional to the oxygen content in the gas, which is driven by analog-to-digital conversion and decoding, and the percentage of oxygen is displayed on the LCD screen. Technical performance of OX-100A digital oxygen meter: 1. Range: 0-100% 0-50% 0-1% 2. Accuracy: ±0.15% (when the oxygen content is less than 5%) ±0.3% (when the oxygen content is less than 5%), ±3% (when the oxygen content is more than 50%). 3. Operating environment temperature: -10～40℃ Humidity: <90% 4. Response time: 10 seconds can indicate 90% of the oxygen concentration (at 20°C). 5. Way of adoption: hand-squeezed suction type. 6. Power supply: 6F229V laminated battery. It can work continuously for 500 hours. 7. Dimensions: 160×85×28 mm3. 8. Weight: 150 grams. 9. Interference gas that affects detection accuracy: SO2, NO2, H2S, etc. ≥10% will affect the measurement. 10. Resolution: 0.01%. 11. Measurement method: integral method, display reading: three and a half liquid crystal display. 12. Power consumption: 4 milliwatts.