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Description
HM Digital Pen style TDS/EC/Temp meterCOM 80: EC TDS HydroTester Series The COM 80 is easily the most advanced economically priced, reliable EC TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Features Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing Four scales: EC: S, mS; TDS:
COM-80: EC/TDS HydroTester Series
The COM-80 is easily the most advanced economically priced, reliable EC/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.
Features
Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing
Four scales: EC: µS, mS; TDS: ppm, 0.5 (NaCl) & 0.7 (442™)
Automatic Temperature Compensation (ATC)
Water resistant
Digital Calibration (push button) to any point within the meter’s range
Auto-off function, data-hold function and low-battery indicator
Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution.
Includes a protective cap and batteries
Specifications
EC Range: 0 – 9990 µS; 0 – 9.9 mS
TDS Range: 0 – 5000 ppm (0.5 Scale) ; 0-8560 ppm (0.7 Scale)
Temperature Range: 1-80 °C; 33-176 °F
Resolution: 1 µS/ppm; 0.1 mS
Temp. Resolution: 0.1 °C/F
Accuracy: +/- 2%
Power source: 3 x 1.5V button cell batteries (LR44 or equivalent is included)
Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)
Weight: 53.9g (1.9 oz)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 3
Size down.
Size: 16, Color: Black
Fit too large. Nice quality.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Looks great
Size: 10, Color: Green
It is a beautiful piece, but we are still returning it as my son’s hands are longer and blazer looks a bit short. Will order a size bigger.
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Reviewed in the United States on August 26, 2025
★★★★★ 5
Producto muy bueno
Size: 10, Color: Light Grey
Muy buena calidad lo recomiendo
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Reviewed in the United States on May 22, 2026
★★★★★ 4
Proper fit and looks amazing
Size: 14, Color: White
Good but had to return
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Bonito
Size: 3, Color: White
Bonito. Buena calidad
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Reviewed in the United States on March 8, 2026