Buy HM Digital COM-300, Professional Waterproof PH / TDS / EC / Temp Meter

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Options and Related Products

Options:: Options: PH, TDS, EC, Temp

COM-300 Includes Only:

COM-300 Meter
Translucent cap
2 (AAA) alkaline batteries
PH 4 & 7 calibration solutions
PH storage solution
Lanyard

The COM-300 is a professional grade level pH/EC/TDS/Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

Features:

Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature
Five scales: pH, µS, mS, ppm 0.5 (NaCl) Scale & 0.7 (442) Scale
Automatic Temperature Compensation (ATC) using three temperature coefficients
Waterproof housing (IP-67 rating)
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
Replaceable Sensor (model SP-C3)
Factory Calibrated (pH/EC/TDS)

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We aim to show you accurate product information. Here you will find what the manufacturers have provided us with. See our disclaimer.

All sales are final

These are made-to-order items.
This product is not eligible for return or exchange unless defective.
The average lead-time is 1 or 2 weeks.

Technical Details

Supplies

Optional Accessories

Resources

Reviews

pH Range	0 – 14 p
EC Range	0 – 9990 µS; 0 – 9.9 mS
TDS Range	0 – 8560 ppm (0.7 Scale); 0 – 5000 ppm (0.5 Scale)
Temperature Range	0-55 °C; 32-130°F
Resolution	0-99: 0.1 µS/ppm/ 0.01mS ; 100-999: 1 µS/ppm; 1000-9990: 10 µS/ppm. Temp. resolution is 0.1 °C/F
Accuracy	+/- 2%
Power source	2 x Triple A (AAA)
Dimensions	18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
Meter weight	101.5g (3.6 oz)
EC to TDS Conversion Factor	Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user
Probe	Detachable platinum electrodes & pH glass sensor with reference tube electrodes
Housing	IP-67 Waterproof (submersible; floats)

Notes

* Free Ground Shipping within the continental U.S. only (excludes Alaska, Hawaii, PO Boxes and APO/FPO addresses).

Product Details

pH Range	0 – 14 p
EC Range	0 – 9990 µS; 0 – 9.9 mS
TDS Range	0 – 8560 ppm (0.7 Scale); 0 – 5000 ppm (0.5 Scale)
Temperature Range	0-55 °C; 32-130°F
Resolution	0-99: 0.1 µS/ppm/ 0.01mS ; 100-999: 1 µS/ppm; 1000-9990: 10 µS/ppm. Temp. resolution is 0.1 °C/F
Accuracy	+/- 2%
Power source	2 x Triple A (AAA)
Dimensions	18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
Meter weight	101.5g (3.6 oz)
EC to TDS Conversion Factor	Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user
Probe	Detachable platinum electrodes & pH glass sensor with reference tube electrodes
Housing	IP-67 Waterproof (submersible; floats)