tds meter pen type
The TDS meter pen type is a sophisticated water quality testing instrument that combines precision measurement with portable convenience. This digital device measures Total Dissolved Solids (TDS) in water, providing instant readings in parts per million (ppm) or milligrams per liter (mg/L). The pen-style design features an electrochemical sensor that detects dissolved ions in water solutions, offering accuracy typically within ±2% of the reading. Most models include an automatic temperature compensation feature, ensuring reliable measurements across various temperature conditions. The digital display provides clear, easy-to-read measurements, while the waterproof housing protects the sensitive electronics inside. These devices typically operate on standard batteries and can perform thousands of tests before requiring replacement. The measurement range usually spans from 0 to 9999 ppm, making them suitable for testing drinking water, aquariums, hydroponics, pools, and industrial applications. The auto-calibration function ensures consistent accuracy, while the hold function allows users to freeze readings for recording purposes. Many models also include automatic shut-off features to conserve battery life and indicate when readings are stable.
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