HM Digital Replacement Sensor for COM-300

• HM Digital
• (Replacement pH/EC/TDS/TEMP Sensor for COM-300)
• Measures pH, Conductivity(EC), TDS, and Temp
• Measures Temperature
• Probe: ABS material
• Stainless steel sensor pins
• Thermometer: Yes
• Glass pH sensor with reference tube
• Cap with a sponge is included for storage solution