Reinforced spear tip measures pH directly in soil

Elevated chloride levels in drinking water affect taste and can indicate contamination

irrigation

1 protective cap

Stop relying on guesswork or calendar reminders to determine when your RO or DI filters need replacement

HM Digital SP-C4 Replacement TDS Sensor for COM-360 | OEM Drop-In Replacement NIST traceable calibration Reinforced spear tip measures pHHM Digital SP C4 Replacement TDS Sensor for COM 360 Restore your HM Digital COM 360 to factory spec accuracy with the SP C4 OEM replacement TDS sensor. Designed as a direct drop in replacement, the SP C4 delivers reliable total dissolved solids (TDS) measurement without the cost of replacing your entire meter keeping your water quality monitoring operation running without interruption. Key Features Direct OEM replacement engineered specifically for