HM Digital EC/TDS HydroTester Pen
Product details
| Management number | 250588531 | Release Date | 2026/09/17 | List Price | US$22.00 | Model Number | 250588531 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Hm Digital released the COM-80 as an affordable, but reliable, EC/TDS meter ideal for testing in situations like hydroponics, aquaponics, gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. This handheld pen measures both electrical conductivity (EC) and total dissolved solids (TDS) and is a great option for hydroponic nutrient testing.
Features
- Four Scales- EC: µS, mS and TDS: ppm, ppt
- ATC (Automatic Temperature Compensation)
- Water Resistant
- Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt
- Easy digital calibration
- Saves battery with an auto-off function
- Data-hold function
- Large LCD screen shows temp too
- Factory calibrated
- Includes cap and batteries
| EC Range | 0-9990 µS; 0-9.9 mS |
| TDS Range | 0-5000 ppm (mg/L); 0-5.0 ppt |
|
Temp Range |
1-80°C/33-176°F |
| Resolution | 1 µS/ppm; 0.1 mS/ppt |
| Temp Resolution | 0.1°C/F |
| Accuracy | +/- 2% |
| EC to TDS Conversion Factor | NaCl (avg of 0.5) |
|
Calibration |
Digital, push button |
| Dimensions | 6.0 x 1.3 x 0.7 inches |
Bestseller ranking
Hydroponics
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form