Objective:

• Capable of measuring the concentration of Methane / LPG gas
• Low power signal conditioning unit and robust packaging for different applications

Features:

• User friendly & easy to operate
• Portable (70mm X 135mm X 30mm )
• Low power consumption (60mW for signal conditioning unit )
• Fast response time (15 Sec)
• Onboard microcontroller programming facility
• Extended probe to find out the leak in a narrow area
• A small FAN to remove the residual gas
• 16 X 2 LCD screen to Display the gas concentration present in hazardous area
• Three levels of LED indication (Green, Yellow &Red ) with buzzer depending on the concentration of gas (safe, moderate, and danger)
• Two pencil battery (1.5V X 2)

Sensors used

• MP-4 flat-surfaced sensor made by WINSEN Electronics Technology, China
• High Selectivity to Methane
• Broad detection range (300 to 10000 PPM)
• Power consumption 300mW

Hardware

• ATMEGA 8 µcontroller
• DC-DC Boost Converter

Software

• BASCOM
• PROTEUS