The Panterra methane site monitor is an economical solution for monitoring combustible gases. The detector features two sensor options, a high resolution 0 to 1,000 ppm MOS sensor or a 0 to 100 percent volume in air thermal conductivity sensor. Outputs include, TTL, 0 to 5 volt proportionate gas reading and relay with NO/NC options. The Panterra sensor can be extended up to nine metres for easy location near the gas source. Detectors are DC-powered and may be connected to any 12-volt system or an AC/DC adapter is provided.