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FEATURES * Separate electrode, easy operation. * The portable conductivity meter provides fast, accurate readings, with digital readability and the convenience of a remote probe separately. * Multi measuring ranges: 1.999 mS and 19.99 mS. * LCD display for low power consumption & clear read-out even in bright ambient light condition. * Water resistance on the front panel. * All function keys are used the rubber button. * Data hold. * Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case. * Built-in Low battery indicator. * Wide applications: water contioning, aquariums, beverage, fish hatcheries, food processing, photography, laboratory, paper industry, plating industry, quality control, school & college.

FEATURES * This Digital Oxygen Meter is supplied with a polarographic type probe with an incorporated temp. sensor which serves for precision Dissolved Oxygen(DO), Temp. measurement. * Applications for Aquarium, Medical research, Agriculture, Fish hatcheries, Laboratory, Water conditioning, Mining industrial, Schools & Colleges, Quality control... * Professional Dissolved Oxygen Meter. * The polarographic type oxygen probe with an incorporated temperature sensor, high precision measurement for * Dissolved Oxygen(DO) & Temperature measurement. * DO function, Automatic temperature compensation. * Records Max. and Min. readings. * Data hold. * RS 232 PC serial interface.