Professional Portable Oxygen Monitor with High Accuracy Oxygen Detector, Monitor CY-12C Gas Analyzer Description: Brand new, high quality Features: Used to analyze oxygen content in respirators for medical treatment and anesthesia machines, as well as oxygen concentrators and high-pressure oxygen plants, and for infant care. The instrument's sensor is an electrochemical membrane positron. It uses platinum-negatron and silver and silver chloride as the electrolyte. The membrane material is polyethylene film that selects permeable oxygen. Specification: Product Name: CY-12C Digital Oxygen Monitor Range: 0- 0-50% 0-1% Accuracy: ± 0.10% Operating Temperature: -20~ 50 °C Humidity: <90% Usage: Handheld suction type Resolution: 0.01% Response Time: 10 seconds to indicate 90% of oxygen concentration (at 20 ° C) Power Consumption: 4 mW Power Supply: 6F229V laminated battery, can work for 500 hours. Impact on detection accuracy of interference gas: SO2, NO2, H2S ≥ 10% when impacting determination. Dimensions: 23x18x7cm/9.06x7.09x2.76in Note: Transition: 1cm=10mm=0.39inch. Please allow 0-1cm error due to manual measurement. Make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 * Oxygen Analyzer 1 * Oxygen Sensor 1 * White Filter Tube 1 * Black Suction Ball 1 * Portable Bag