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Audio & Visual Conductivity Indicator

Safe and Simple to Use

  • Versatile tool to test the conductivity of liquids and solids
This tool offers visual and audible feedback that varies based on the level of conductivity. Developed by Ralph Fudge.

Ordering information: A 9V battery is required, but not included.

Caution: WARNING: While inserting battery, do not point probes toward hand.



Item # Description Unit Availability Price Quantity
470003-770 Audio and Visual Conductivity Indicator
Each Retrieving


Item # Description Unit Availability Price Quantity
470144-940 9V Heavy Duty Battery
Each Retrieving Restricted
Pack of 300 Retrieving Restricted
Case of 2 Retrieving


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