MODEL EQ-607 POTENTIOMETER with 0-1000 storage, PC Compatible with Magnetic Stirrer Titration, Colleges, Research, Industry, Pharma MODEL EQ-601 POTENTIOMETER with built-in standard cell, one button calibration. μP based. Useful for Under Graduates & Colleges MODEL EQ-602A POTENTIOMETER with built-in Variable speed Magnetic Stirrer & Standard cell. 10μA Current source. μP based. U.G., P.G., Research MODEL EQ-602 POTENTIOMETER with built-in magnetic stirrer & standard cell One Button Calibration. μP based. U.G., P.G., Research MODEL EQ-609 POTENTIOMETER battery operated research model chargeable battery with charger inbuilt, Factory calibrated Useful for P.G., Industry, Research, Pharma MODEL EQ-603 POTENTIOMETER dual channel with built-in standard cell Useful for U.G., colleges MODEL EQ-606 Battery Cums Mains Operated ± 1.999V, with std cell Useful for areas where there is power failure, U.G., Colleges DIGITAL POTENTIO METER