Testwell Instruments oil water Interface Meter Probe 100 feet Used Testwell Instruments oil water Interface Meter Probe 100 feet Use Carrying case and Locking stand included! 2. ea.
Hanna Instruments Electrical Conductivity TDS Meter Tester Water 1999 ?s/cm ATC DIST WP 3 Aquarium Features: The conductivity meter is the perfect device for testing the electrical conductivity of liquids. Portable and easy to use, this meter comes with a carrying case and small screwdriver for calibration. The meter is always ready for use - simply remove the protective cap and immerse the probes in the solution to be measured.
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