Surface DC Voltmeter Model SVM2 Manufactured in the USA by AlphaLab, Inc. An electrostatic meter, the SVM2 reads static electricity without contact. It measures voltage on conductive surfaces and can be used to calculate charge density on insulators.
I googled the patent number and found the following info. The figures on the patent sketches looks slightly different than the piece. Patent number: US 3497806
Great meter, in PERFECT CONDITION. Since this is a used item, there will be no returns. Meter is in perfect working condition with a very good battery and charger included.
The meter is 850>1550nm / is like new / I supply a new 9v batt to buyer / Meter comes with case and friction adaptor for the top if needed. / Bundle includes a new F/O connector Cleaning Reel / a bag full of various F/O test connectors / a bag full of various length F/O test Patch Cords. The entire bundle comes in a zippered cloth computer style bag (Not Shown in photos)
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