Professional Portable O2 Oxygen Concentration Content Tester Meter High Accuracy Oxygen Detector Monintor CY-12C Gas Analyzer OOTDTY Description: new,high quality Features: It is used for analyzing the purity of oxygen in respirator machine of medical and anesthesia machine and oxygen concentrator and high-pressure oxygen house and the nursing for CASE keeping infant. Instrument sensor is electrochemistry diaphragmatic positron. It makes use of platinum negatron and silver and silver chloride as electrolyte. Diaphragmatic material is polyethylene film which chooses the permeating oxygen . Specification: Product Name: CY-12C digital oxygen measuring instrument Range: 0- 0-50% 0-1% Accuracy: 0.10% Use ambient temperature: -20~ 50 C Humidity: Use: hand pinch suction type Resolution: 0.01% Response : 10 seconds to indicate 90% of oxygen concentration (at 20 C) Power consumption: 4 mW Power: 6F229V laminated , can work for 500 hours. Affect the detection accuracy of interference gas: SO2, NO2, H2S 10% when the impact of the determination. Dimensions: 23x18x7cm/9.06x7.09x2.76in Note: Transition: 1cm=10mm=0.39inch. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 * Oxygen analyzer 1 * Oxygen sensor 1 * White filter hose 1 * Black suction ball 1* Portable carry bag _x000D_