Hanna Instruments GroLine Soil Test Direct Soil EC Tester
Lightweight and portable, this pocket tester directly measures soil conductivity and temperature. The penetration probe features a built-in temperature sensor, allowing for measurements that are automatically temperature compensated. The conductivity range can be calibrated at one point, and tester calibration is done in a standardized solution. Includes tester, 4.5” penetration conductivity probe, calibration screwdriver, battery, and instructions.