Portable methane concentration detector

• Main Author: WU DEYAN
• Format: Patent
• Language: Chinese; English
• Published: 02.10.2013
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; SIGNALLING; TESTING; TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS

The utility model discloses a portable methane concentration detector, comprising a keyboard, an LCD (Liquid Crystal Display) screen, a methane optical fiber sensor, a microprocessor, an audible and visual alarm, a communication interface circuit, a wireless communicator, an A/D (Analogue/Digital) converter and a data memory, wherein the signal output end of the methane optical fiber sensor is connected with the signal input end of the A/D converter; the signal output end of the A/D converter is connected with the signal input end of the microprocessor; a data port of the microprocessor is connected with a data port of the data memory and a data port of the wireless communicator; the output end of the microprocessor is connected with the input end of a circuit of the audible and visual alarm and the input end of the LCD display screen. The portable methane concentration detector is convenient for data collection, convenient to carry and wide in collection concentration range; the detection accuracy of methane