

💧 Stay sharp, stay precise — the pro’s choice for water quality on demand!
The HM Digital COM-100 is a sleek, waterproof combo meter designed for professionals needing precise water quality data. It measures total dissolved solids (TDS), electrical conductivity (EC), and temperature with high resolution and accuracy. Featuring IP67-rated waterproof housing, digital calibration, and a lightweight 7-inch form factor, it’s built for reliable field use and easy maintenance.
| Manufacturer | HM Digital |
| Part number | COM-100 |
| Item Weight | 100 g |
| Product Dimensions | 22.86 x 7.62 x 5.08 cm; 100 g |
| Batteries | 2 AAA batteries required. |
| Item model number | COM-100 |
| Size | 7 Inch |
| Color | White/Purple |
| Style | Two-tone |
| Material | Plastic |
| Power source type | Battery Powered |
| Voltage | 3 Volts |
| Item Package Quantity | 1 |
| Display Style | Digital |
| Specification met | See Manual |
| Special Features | Waterproof |
| Included components | Handheld Meter, Wrist Strap, Battery |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
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