Description
TDS Meter / EC Meter Hand Held EC59 – Milwaukee
The Milwaukee EC59 is a compact, handheld EC and TDS meter designed for fast, reliable measurement of electrical conductivity and total dissolved solids in aqueous solutions. Built for portability and ease of use, it is particularly well suited for field testing, water treatment monitoring, hydroponics, aquaculture, laboratories, and general industrial applications where rapid on-site measurements are required.
This meter combines EC, TDS, and temperature measurement in a single rugged device, allowing users to quickly assess water quality without switching instruments. Automatic temperature compensation ensures accurate readings across varying environmental conditions, while automatic one-point calibration simplifies setup and reduces operator error. The replaceable Mi59P probe extends instrument life and maintains consistent performance over long-term use.
With its waterproof-friendly design for high-humidity environments, long battery life, and automatic shut-off feature, the EC59 offers a dependable solution for routine conductivity and TDS monitoring in both professional and educational settings.
Specifications
| Parameter | Specification |
| Product Type | Handheld EC / TDS Meter |
| Brand | Milwaukee |
| Model | EC59 |
| EC Range | 0 – 3999 µS/cm |
| TDS Range | 0 – 2000 ppm |
| Temperature Range | 0.0 to 60.0°C / 32.0 to 140.0°F |
| EC Resolution | 1 µS/cm |
| TDS Resolution | 1 ppm |
| Temperature Resolution | 0.1°C / 0.1°F |
| EC Accuracy | ±2% Full Scale |
| TDS Accuracy | ±2% Full Scale |
| Temperature Accuracy | ±0.5°C / ±1°F |
| Typical EMC Deviation (EC/TDS) | ±2% Full Scale |
| Typical EMC Deviation (Temp) | ±0.5°C / ±1°F |
| Calibration | Automatic, 1-point |
| Temperature Compensation | Automatic, β = 0.0 to 2.4%/°C |
| Probe | Mi59P, replaceable |
| Operating Environment | 0 to 50°C; max RH 100% |
| Battery Type | 4 × 1.5V LR44 / A76 (included) |
| Battery Life | Approx. 100 hours |
| Auto-off | After 8 minutes of non-use |
| Dimensions | 7.9 in × 1.5 in (diameter) |
| Weight | 3.5 oz |
| Application | Water quality testing, hydroponics, labs |
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