TPI 725A Handheld Combustible Gas Detector
The TPI 725A is a pocket-size combustible gas leak detector designed to detect gases such as methane, butane, natural gas, propane (LPG), diesel, and kerosene with a 40ppm sensitivity (Methane). The TPI 725A gas leak detector is perfect to use as a personal safety monitor when tracing fuel lines, tanks, heaters, and containers for gas leaks as it instantaneously responds when gas is detected.
Key Features
- 40ppm sensitivity
- Audible and visual alarm
- LED indicator of gas concentration
- Responds instantly
- Fits in a shirt pocket
Overview
The TPI 725A combustible gas leak detector features both audible and visual alarms when gas is detected, while the LED leak levels on the front indicates the density of concentration up to 5000ppm. The audible ticker with an auto-zero function helps the user accurately locate the source of leaks by only detecting increases in gas concentration.
The pocket-size combustible gas detector is 5” long, uses 2 AAA batteries, and has a 3-hour continuous use battery life.

What’s in the Box?
- TPI 725A Pocket Combustible Gas Leak Detector
- Instruction manual
- Battery and sensor
- 3-year warranty