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The AVAIN LABS® 4-in-1 Combo pH-TDS-EC-Temperature Meter (Model: COM-400) is a compact, handheld digital instrument designed for accurate and reliable measurement of pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), and Temperature. Ideal for laboratory, industrial, environmental, educational, and water quality applications, this versatile meter provides four essential measurements in a single portable device.
Designed with a water-resistant (splash-proof) housing, the COM-400 offers durability for field and laboratory use. Its easy-to-read digital display, high measurement accuracy, and simple operation make it suitable for professionals involved in water testing, hydroponics, aquaculture, swimming pool maintenance, wastewater monitoring, and research.
The lightweight and ergonomic design ensures convenient portability, while its fast response time and precise readings make it an excellent choice for routine water quality analysis.
| Specification | Details |
|---|---|
| Brand | AVAIN LABS® |
| Model | COM-400 |
| Product Type | 4-in-1 Combo pH-TDS-EC-Temperature Meter |
| pH Measuring Range | 0.0 – 14.0 pH |
| EC Measuring Range | 0 – 9990 µS |
| TDS Measuring Range | 0 – 9990 ppm |
| Temperature Range | 0.1 – 50°C |
| pH Resolution | 0.1 pH |
| EC Resolution | 1 µS |
| TDS Resolution | 1 ppm |
| Temperature Resolution | 0.1°C / °F |
| Accuracy | pH: ±0.1 pH, EC/TDS: ±2% FS |
| Operating Temperature | 0 to 55°C |
| Housing | Water Resistant (Splash Proof) |
| Power Supply | 3 × 1.5V LR44 Batteries |
| Dimensions | 183 × 37 × 37 mm |