Digital instruments corporation manufactures a huge variety of ph indicators in flameproof version. They are kept in round aluminium alloy fire resistant boxes displaying ph & temperature with automatic temperature compensation. They cover 0 to 14 ph & 0 to 150 degree c temperature with exactness of 0.1ph. They use new, advanced, sophisticated & latest state-of-the-art microcontroller design. They are compact instruments with led displays & soft touch keys for function, selection & manual temperature. An exceptional feature is three-point standardization facility for better exactness in acidic & alkaline medium with effect of temperature. The instruments are perfect to work in risky industrial environment. In comparison to their performance with other imported instruments they are capable of being relied upon & intended to save money by avoiding waste.