Designed to conform ISO3930 standard High-end microcontroller teachnology Easily upgradeable to measure 6 gases water sensor stops suction Improved Iinterior design for easy service Self-diagnostic facility Integrated self-sheck facility Automatic pum/solenoid valve contral facility Automatic zero calibration USB and 232C Ports for PC interface Operable on both AC and DC Display of Lombdo /AFR/PEF Fuel selection facility - petrol/Diesel/ CNG/LPG low battery valtage cut-off Power Saver automtically turns off the instrument