Carbon monoxide alarm

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Carbon monoxide alarm key features: The electrochemical sensors, sensor life for five years. 2. Three LCD liquid crystal display. 3. Reset, test function: test/reset button, the test circuit part and when the alarm reset alarm, test button: press a few seconds to send sound alarm alarm in normal. 4. Low power consumption: 3 section 5 batteries (4.5 V), standby can work more than 2 years, if the alkaline batteries work longer hours. The static current: < 80 ua, 200 ua (LCD light) Warning: current < 85 ma High-performance single chip microcomputer, proposed from the accurate detection and algorithm can detect low to several PPM concentrations. Alarm concentration/time: according to the EN50291 European or American standard design, CO gas (50 PPM - 60 ~ 90 minutes; 100 parts per million - 10 ~ 40 minutes; 300 parts per million - less than three minutes). 8. Static instructions: red LED flashing every 30 seconds at a time. Low voltage alarm function: low voltage alarm to remind you to replace the battery in time, issued a "pumping" sound, every 30 seconds the LCD display (Lb).

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SHANDONG CHINA COAL GROUP

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