International Instruments Ltd, Secunderabad, (Hand-held digital thermometer, Digital thermometer, Temperature indicator, Pocket digital thermometer, Temperature indicator, Digital temperature indicator, Temperature indicator, Analog temperature indicator, Digital temperature indicator/controller, pH meter/TDS meter, Presettable limit counter with memory, Digital timer, Digital on-off timer, Digital timer with preset type, RPM meter, Miniature low-cost temperature controller, 6-digit counter, Presettable limit counter, Digital two-set temperature controller, Digital two-set point temperature controller, Analog temperature indicator, Proportional temperature controller, Time interval meter, Digital capacitance meter, Insulation tester (megger), Digital LCR with multimeter, Hygro thermometer, Digital frequency meter, Voltmeter, Ammeter (AC or DC), Digital tongtester )