7 in 1 Soil Sensor for Temperature Humidity pH Conductivity and NPK Monitoring

PH Tester with Conductivity and Temperature Functions for Water Quality Testing

2pcs pH Sensor Module for Aquarium and Laboratory with For BNC Interface

Embedded Water Quality Monitor for Aquarium and Drinking Water Testing

Continuous Monitoring Water Quality Testing Measurement Accuracy ±5% F.S.

High Sensitivity PH Electrode Probe for PH Testing Reliable and Accurate

Embedded Water Quality Monitor for Aquarium and Drinking Water Testing

Comprehensive Water Quality Testing Solution with User Friendly Design