Digital instruments corporation presents a wide range of ph meters in flameproof range. It is housed in a round aluminium alloy flameproof enclosure. The meter indicates ph & temperature with automatic temperature compensation. The ph system uses microcontrollers design to indicate 0-14 ph & 0-150 degree celsius temperature with accuracy of 0.1 ph. It is a compact instrument with led displays and soft touch keys for function selection and manual temperature. It features three point calibration facility for better accuracy in acidic and alkaline medium with effect of temperature. This instrument is suitable to work in hazardous industrial conditions.