Profile: Vasthi Engineers provides portable gas monitors, fixed gas monitors, gas transmitters and moisture meters. Our single gas detectors are designed for continuous monitoring of toxic & hazardous gases and vapors, or oxygen levels in work environment. Our detector provides a stable output over a wide range of atmospheric conditions. Our VA 555 gas analyzer measures the reactive gases. It records & stores emission data, and is provided with an internal data logging function. It is suitable for gas turbines, power plants, gas pipe lines, petrochemical units and refineries.