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Accuracy: ±(0
(*4)Battery life varies depending upon the measuring environment
Battery life will be less if the display backlight is used External Power Supply:
the actual temperature and preset temperature all at once
Rechargeable Dissolved Oxygen Pen with 5 Meter Cable TD2000 Accuracy: ±(0This Dissolved Oxygen meter is a pen style tool that measures dissolved oxygen and temperature in water. High sensitivity and accurate readings are enabled by a thin membrane kit and calibration in air. With a rechargeable environment friendly battery, the device has a 5m cable for easy manipulation. It supports manual salinity and barometric pressure compensation and C F automatic temperature compensation built in. A big LCD with adjustable