Our Portable Gas Detectors can detect the smallest leak of Oxygen, Toxic, Combustible or VOC type gases with the display of gas concentrations on the LCD display. These detectors have the feature of easy handling and programming with 3 keys and power supply with rechargeable batteries and on/off option. They have a password-protected function menu, plug-in sensor, and built-in audio buzzer. These Portable Gas Detectors also have an optional data logging facility with 50,000 records which are visible in ASCII format while downloading to PC via USB interface.