# Water quality tester, TDS-3, Temperature, 0-9990ppm

> Digital TDS-3 water quality tester displaying TDS 0-9990 ppm, with 1 ppm resolution/precision and +-2% accuracy. Shows temperature, has automatic temperature compensation, stores the maximum reading and auto-shuts off when inactive. Suitable for tap water, aquariums, pools and filtration systems. Powered by 2x LR44 1.5V batteries (not included), weight 50 grams.

- Page: https://sigmanortec.ro/en/water-quality-tester-tds-3-temperature-0-9990ppm
- Price: 31.50 RON
- Availability: In stock; 1-2 zile
- Reference: 77609 · EAN: 5949838443557
- Category: Electronic components > Testing and Measurement
- Package (shipping data): 0.055 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 05:22 (Europe/Bucharest)

## Description

Digital tester for quick verification of water purity by measuring TDS, ideal for tap water, aquariums, swimming pools and filtration systems. Displays TDS 0-9990 ppm with 1 ppm resolution, indicates temperature, has automatic temperature compensation for stable readings, memorizes the maximum value and automatically turns off to save energy.
TDS-3 water quality tester that uses electricity to determine the degree of water purity, by measuring the substances dissolved in a solution.
TDS-3 is a digital water quality testing device. With the help of this device, the user can measure the level of "Total Dissolved Solids" (TDS) in the water. The device has a wide measurement range from 0 to 9990 ppm and can be used to test tap water, water from swimming pools or pools, water from aquariums and many others. It can measure the level of dissolved particles in water with an accuracy of 1ppm.
The high level of TDS changes the taste of water and makes it salty, bitter or metallic. High TDS levels also indicate the presence of toxic minerals that are hazardous to health. According to the EPA, the maximum TDS concentration for drinking water is 500 ppm.
The TDS-3 has three buttons, which makes it easy to use. Also, the device is equipped with an automatic temperature calibration function, which allows it to provide accurate readings even when the water temperature changes.
The device is compact and portable, with dimensions of approximately 15 x 2.8 x 1.5 cm. It has a durable and light casing, which makes it easy to transport wherever it is needed. It is powered by two button-type batteries (1.5V)
Specifications:
Accuracy: 1 ppm
Detection range: 0 - 9990 ppm
Weight: 50 grams
Power supply: LR44 (2x), 1.5V button type (Not included)
Accuracy: +-2%
Functions:
Temperature display
Calibration according to temperature
Memorization of record readings
Auto-off when idle