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HM Digital SP-C3 Replacement Probe – pH/EC/TDS/Temp Sensor for COM-300
HM Digital SP-C3 Replacement Probe for COM-300
Keep your COM-300 multi-parameter meter performing at its best with the genuine HM Digital SP-C3 replacement probe. Engineered for precision measurement of pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), and Temperature in a single sensor — ideal for hydroponics, aquaculture, water quality testing, and laboratory use.
Key Features
Direct replacement probe for the HM Digital COM-300 meter
Measures pH, EC, TDS, and Temperature simultaneously
Glass pH sensor with reference tube for accurate, stable readings
Stainless steel EC/TDS sensor pins for durability and corrosion resistance
Built-in thermometer for automatic temperature compensation
ABS probe body — lightweight and chemical-resistant
Includes protective storage cap with moisture sponge to extend sensor life
Specifications
Compatible Meter: HM Digital COM-300
Parameters: pH, EC, TDS, Temperature
Probe Material: ABS
Sensor Pins: Stainless Steel
pH Sensor: Glass with reference tube
Thermometer: Yes (built-in)
Storage Solution: Cap with sponge included
Country of Origin: South Korea
Why Replace Your Probe?
pH glass sensors degrade over time with regular use. Replacing the SP-C3 probe restores factory-level accuracy and extends the life of your COM-300 investment — far more cost-effective than replacing the entire meter.
