TDS Meter 3-in-1 Digital TDS Tester Pen with PH TDS Temperature Measurement High Accuracy 1-19999ppm & 0-14 PH Range (with backlight)

Features:
High Quality Material: digital water tester, press-button operated, has solid durable plastic shell, protective cap, sensitive glass electrode titanium alloy probe that can be easily removed, replaced.
Fast, Accurate Measurements: it enables pH /TDS / temperature measurement (℃/℉ switchable), convenient calibration, automatic temperature compensation for precise measuring.
Advantages: LCD screen clearly displays measurements; hold function locks data value on display, easy to read, record; auto shut-down after 5 mins non-operation, saves energy.
Mini Size: 3 in1 TDS meter, small, lightweight, pen type designed, equipped with a lanyard hole on top, can be easily put it in the pocket or bag, taken to anywhere, used anytime.
Wide Range Of Application: this tester is a good helper to test pH balance, check purity of water, suitable for use in home drinking water, swimming pool, aquarium, spa, hydroponics, etc.