This compact 4‑in‑1 water quality meter from ATC lets IT professionals, hobbyists and aquarium owners instantly measure pH, TDS, EC and temperature with industrial‑grade precision. Its 5‑second response, auto‑calibration and lock‑shut‑off make it a top choice for labs, pools and hydroponic systems.
Key Features
- Fast 5‑second readout with 0.01 pH resolution and ±0.01 pH accuracy.
- Wide TDS range 0–9990 ppm, conductivity 0–9990 µS/cm, ±2 % precision.
- Auto‑calibration for pH probe eliminates screw‑driver adjustments.
- Lock & auto‑shut‑off on TDS probe keeps it clean and energy‑efficient.
- Compact 4‑in‑1 design fits in pocket; ideal for potable water, pools, aquariums, RO, spa and hydroponics.
Technical Specifications
| Parameter | Range | Accuracy |
|---|---|---|
| pH | 0–14 | ±0.01 pH |
| TDS | 0–9990 ppm | ±2 % |
| Conductivity (EC) | 0–9990 µS/cm | ±2 % |
| Temperature | −20 °C to 50 °C | ±0.5 °C |
Pros
- Industrial‑grade accuracy at a fraction of the cost
- Auto‑calibration and lock‑shut‑off reduce maintenance
- Portable 4‑in‑1 probe set covers all common water tests
Cons
- Requires occasional probe cleaning for best performance
Final Verdict
This ATC 4‑in‑1 meter delivers laboratory‑level precision in a pocket‑size package, making it a smart investment for IT teams that manage water‑related infrastructure or for hobbyists who need reliable data on the go. Its value‑for‑money, auto‑calibration and versatile applications earn it a solid recommendation for anyone who demands quick, accurate water quality readings.
