The TDS & EC Meter with Temperature and pH Meter Combo is a complete water quality testing kit designed for multiple applications, from industrial and commercial use to personal home testing. This combo includes two pen-style meters: a pH Meter with a range of 0.00-14.00 and an accuracy of ±0.01pH, and a TDS & EC Meter with a TDS range of 0-5000ppm, conductivity range of 0-9999 μs/cm, and temperature measurement from 0.180°C (32.0~176°F) with ±2% accuracy. Both meters feature Automatic Temperature Compensation (ATC) to deliver reliable results even in varying temperatures. The high-sensitivity glass electrode in the pH Meter and the titanium alloy electrode in the TDS & EC Meter ensure stable, accurate measurements. The pH Meter is factory calibrated, ready to use for general purposes, and offers a simple two-point calibration feature for lab or research-level precision. The TDS & EC Meter includes "HOLD" and "SHIFT" buttons for convenient result locking and mode switching. Compact, lightweight, and easy to carry, the pen-shaped design allows you to test water quality on the go. This kit is suitable for a wide range of applications, including testing drinking water, pools, aquariums, spas, hydroponics, food, wine, brewing, milk, cosmetics, and chemical solutions. Both meters are powered by pre-installed batteries (2 LR44 for the pH Meter and 1 CR2032 for the TDS & EC Meter), ensuring durability and long-lasting performance. The package includes the pH Meter, TDS & EC Meter, calibration solutions (pH4.01 and pH6.86), and detailed user manuals for hassle-free setup and operation. Whether for professional use or home monitoring, this combo kit offers precision, versatility, and convenience, making it an essential tool for water quality enthusiasts and professionals alike.

• 【Two-point automatic calibration】 The calibration procedure of the pH meter for water is very simple: dissolve the buffer solution(pH4.01, pH6.86) in 250ml distilled water, immerse the electrode into the calibration solution, press "CAL" button for 5 seconds and release, wait and until the value stops flashing.
• 【Small size and pocket portable】 The pH meter and TDS & EC Temp Meter have small size and low weight as a pen, they are easy to be carried, and convenient for you to take it in your pocket when you go out. Package included: 1*TDS & EC meter (1*3V CR2032 battery installed), 1*pH meter (2*1.5V LR44 batteries installed), 2*calibration solution (pH4.01, pH6.86), 2*English Manual

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