Reed Switch Module RSM

Features & Specifications

The features and specifications of the MQ4 methane gas sensor include the following.

• Sensitivity is good for combustible gas in an extensive range
• Sigh sensitivity for natural gas, methane gas
• Small sensitivity for smoke and alcohol
• Quick responsive, long life and stable
• The drive circuit is simple
• Load resistance is 20KΩ
• Detecting resistance ranges from 10KΩ to 60KΩ
• Preheat time is above 24Hrs
• The required voltage is 5V
• DO output: is 0.1 to 5V
• AO output is 0.1 to 0 .3 V
• Detection gas is methane or natural
• The concentration of detection ranges from 200 to 10000ppm
• Interface : TTL compatible input & output
• Heater utilization is low than 750mw
• Operating temperature ranges from 14 to 122 ° Fahrenheit or -10 to 50°Centigrade