Description
Product Overview
The SimPure BTDS03 is a high‑accuracy 4‑in‑1 water quality meter that measures total dissolved solids (TDS), electrical conductivity (EC), and temperature in both Celsius and Fahrenheit. Housed in a compact 6 × 1.8 × 1 inch body weighing just 4.23 oz, it features a premium sensitive probe and a large backlit LCD that switches from green to red when TDS exceeds 40 ppm. The device is factory calibrated, includes two LR44 batteries, and automatically powers off after five minutes of inactivity.
![[Product front view showing all components]](https://www.qolviro.store/wp-content/uploads/2026/06/826014fa74714898b855a15d551b8c16.jpg)
Usage
Ideal for homeowners, aquarium enthusiasts, pool operators, and hydroponic growers, the BTDS03 delivers quick, reliable readings in any water source—tap, well, RO system, or natural bodies. Simply dip the probe, wait a few seconds for stabilization, and read the values on the LCD. The built‑in ATC (Automatic Temperature Compensation) ensures consistent results despite temperature fluctuations, making it perfect for field testing or routine maintenance.
Why Choose Us
SimPure combines rigorous engineering with user‑centric design. Each meter undergoes strict quality control and is calibrated at the factory, guaranteeing accuracy out of the box. The transparent protective case safeguards the probe and display, while the ergonomic shape fits comfortably in hand. Backed by a responsive customer support team, SimPure offers a one‑year warranty and easy replacement of batteries and accessories.
Key Features
- Accurate 4‑in‑1 measurement of TDS, EC, and temperature for comprehensive water analysis.
- Large backlit LCD with color‑change alert simplifies reading in any lighting condition.
- Automatic temperature compensation eliminates errors caused by temperature changes.
- Compact, lightweight design with a protective transparent case for easy transport.
- Factory calibrated, battery‑included, and supported by a one‑year warranty and dedicated support.
FAQ
How often should I calibrate the meter?
The BTDS03 is factory calibrated and remains accurate for typical home use. Re‑calibration is only needed if the probe is damaged or after prolonged exposure to harsh chemicals.
Can I use the meter for both drinking water and pool water?
Yes, the meter is versatile and works with any water source, including tap, well, RO, aquarium, and pool water.
What does the red backlight indicate?
When the TDS reading exceeds 40 ppm, the backlight turns red to alert you that the water may contain higher levels of dissolved solids.
How long do the batteries last?
With typical daily use, the two LR44 batteries can last several months. The auto‑off feature further extends battery life.
Is the protective case waterproof?
The case is water‑resistant and protects the device from splashes, but it is not designed for submersion.




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