Description
TDS Meter, Digital Water Quality Tester for TDS EC and Temperature, Well Water Tester
-
Three readings, one device: TDS, EC and temperature with automatic temperature compensation
-
Readings you can rely on: a titanium alloy probe and an intelligent chip give fast, stable, reliable results
-
Results stay on screen: auto-lock holds the reading so it is easy to view
-
Battery saved automatically: auto shutoff after 5 minutes of inactivity saves battery during daily use
-
Simple to use, easy to carry: one-button control and a compact, lightweight body that fits a pocket or bag
Whether it is a glass of drinking water, a well, the tap, a pool or spa, a hydroponics reservoir or an aquarium, you can check it yourself with this TDS meter. It reads TDS, EC and temperature in one go, and the 0–9999 ppm range helps you monitor water purity and filter replacement timing. Automatic temperature compensation keeps results accurate at any water temperature.

A premium titanium alloy probe and an intelligent chip make this digital TDS meter fast, stable and reliable across a wide range of water types, which suits accurate water purity testing. Used as a tds tester or tds water tester, it holds readings with auto-lock and turns itself off after 5 minutes of inactivity. It also works as a pool water tester and aquarium water tester, and as a well water tester it powers on with one button, goes into the water and shows a stabilized result quickly.
Why choose Fewpe
Digital TDS Meter
| Feature |
Fewpe |
Others |
| Measures TDS, EC and temperature in one |
✓ |
Varies |
| Titanium alloy probe for stable readings |
✓ |
Varies |
| Auto-lock holds the reading for viewing |
✓ |
✕ |
| Auto shutoff after 5 minutes saves battery |
✓ |
Varies |
| Pocket-size body with one-button control |
✓ |
Basic |
| 30-day easy returns |
✓ |
Varies |
Key Features
This water tester packs three measurements, a titanium probe and smart power saving into a pocket-size body:
-
3-In-1 Water Quality Tester: it measures TDS, EC and temperature in °C or °F, with automatic temperature compensation for results that hold at any water temperature, so one device tracks several key water parameters
-
High-Precision Titanium Probe: a premium titanium alloy probe and an intelligent chip give fast, stable, dependable readings across a wide range of water types for water purity testing
-
Smart Auto-Lock: auto-lock holds the reading for easy viewing, and auto shutoff switches the device off after 5 minutes of inactivity to save battery in daily use
-
One-Button Operation: a single button powers it on; put it in the water and read the stabilized result, and the compact, lightweight body fits easily in a pocket or bag
-
Wide Application: use it on drinking water, pool and spa water, hydroponics, aquariums, well water and tap water, across a 0–9999 ppm range for monitoring purity and filter replacement timing

Specifications
-
Measurements: TDS, EC and temperature (°C/°F)
-
Range: 0–9999 ppm
-
Probe material: Titanium alloy
-
Auto shutoff: After 5 minutes of inactivity
-
Operation: One-button
-
Temperature compensation: Automatic
-
Auto-lock: Holds readings
-
Suitable for: Drinking water, pool and spa water, hydroponics, aquariums, well water, tap water

Package Includes:
- 1 x Digital TDS EC Water Tester
Right for you if
-
✓You check tap or well water — one device reads TDS, EC and temperature
-
✓You look after a pool, spa or aquarium — suitable for pool and spa water and aquariums
-
✓You grow with hydroponics — suitable for hydroponics across a 0–9999 ppm range
-
✓You track filter replacement timing — helps monitor water purity over time
If two or more of these sound like you, this is the one.
FAQs
Q: What does this TDS meter measure?
A: It measures TDS, EC and temperature in °C or °F, with automatic temperature compensation.
Q: Can I use this well water tester on a pool or aquarium?
A: Yes, it suits drinking water, pool and spa water, hydroponics, aquariums, well water and tap water.
Q: What is the measuring range?
A: The range is 0–9999 ppm, which helps monitor water purity and filter replacement timing.
Q: How does the digital water quality tester save battery?
A: Auto shutoff turns the device off after 5 minutes of inactivity.
Q: Is it easy to read and operate?
A: One button powers it on, and auto-lock holds the stabilized reading for easy viewing.