| TDS range | 0 - 20 ppt |
| TDS accuracy | ± 1 % F.S. |
| TDS factor | 0.1 to 1.0 (default 0.5) |
| Calibration points | 1 - 3 points |
| TDS type range | Low range TDS |
| Calibration solutions | 100 ppm, 1000 ppm, 10 ppt |
| Type of sensor | Platinum sensor |
| Temperature compensation | 0 °C - 60 °C, Automatic |
| Temperature coefficient | 2 % per °C |
| Normalization temperature | 25 °C |
| Operating temperature | 0 °C - 60 °C, 32 °F - 140 °F |
| Connector | 6 pin |
| Display | LCD screen |
| Data hold function | Manual |
| Battery life | Approximately 150 hours |
| Power off | Manual or automatic (8 minutes after last key is pressed) |
| Power | 2 × 1.5 V “AAA” |
| Dimension (L × dia.) | 185 × 40 mm |
| Weight | 100 g |
Multi-range pocket TDS tester can measure TDS content of solutions, liquids used in electroplating & printing industry, beverage industry, water & waste water, aquarium units.
AAA batteries
Carrying box
TDS standard solution 71.8 ppm, 744.7 ppm, 7447 ppm
71.8 ppm, 744.7 ppm, 7447 ppm TDS standard solutions
Platinum conductivity electrode
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Multi-range Pocket TDS Tester LPTS-A20 Catalog
Labtron TDS Tester provide measurement of dissolved solid concentration in water up to 1000 ppm. Their electrode probe measures electrical properties of liquid to determine the level of soluble substance. They feature sensors that detect conductivity change, converting them into readings to display on screen. Their battery life is long lasting that minimizes need for frequent replacement or recharges. Our TDS Tester is applicable for hydroponics, water purification, beverage production and testing drinking water quality.




Labtron Multi-range pocket TDS tester is suitable for measuring TDS in a wide range of liquids, including low, medium, and high-concentration solutions. It is ideal for industries such as electroplating, printing, beverage production, water treatment, and aquariums. The tester's broad range of 0 to 20 ppt makes it versatile for both general-purpose and specialized testing needs. This flexibility makes it a valuable tool in both industrial and laboratory environments.
The Multi-range pocket TDS tester supports 1 to 3-point calibration using standard solutions of 100 ppm, 1000 ppm, and 10 ppt, which enhances accuracy across a wider measurement range. Multiple calibration points allow users to fine-tune the device based on the expected TDS concentration of their samples. This ensures more reliable results whether testing very low or high TDS levels. It is especially beneficial in professional settings where precision is critical.
Yes, our Multi-range pocket TDS tester is designed to feature a simple push-button interface and a clear LCD screen. The battery indicator conveniently displays the remaining power, helping users manage usage efficiently. The auto-hold function freezes stable readings, making it easier to view and record data without rushing. It is a dependable tool for everyday use in both lab and field conditions.
Labtron's Multi-range pocket TDS tester is equipped with a reset function that allows users to restore all settings to default mode with a single action. This is useful if settings are unintentionally altered or if the device is being used by multiple people. It helps ensure consistent calibration and setup, minimizing user error. This feature adds convenience and reliability, especially in busy or shared work environments.
The Multi-range pocket TDS tester features a waterproof design, which makes it suitable for harsh or wet environments like industrial plants, laboratories, or outdoor testing locations. Our tester's rugged build protects internal components from accidental splashes or exposure to moisture. This durability ensures long-lasting performance and reduces the likelihood of device failure. It is ideal for professionals who need dependable operation in different settings.
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Labtron Equipment Ltd., Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom
Email: info@labtron.com Whatsapp: +44 73 4441 2688 Phone: +44 2080 043608