Vibroground 293a 4 Point Test Kit **make An Offer**

US $50.00

  • Crab Orchard, West Virginia, United States
  • Jan 29th
VIBROGROUND 293A  4 Point Test Kit Features: Self-contained synchronous vibrator, battery powered unit Capable of measuring earth resistivity or the true resistance to earth of man-made grounds Not affected by the resistance of the auxiliary probes or leads Stray AC or DC currents in the earth do not detract from its accuracy Four resistance ranges: 0 to 1 ohm, 0 to 10 ohms, 0 to 100 ohms, 0 to 1,000 ohms, 0 to 10,000 ohms Applications: Four Electrode Method, for determination of average earth resistivity. The ranges provided in the instrument make possible accurate soil resistivity measurements from 0 to 1,915,000 ohms per cubic centimeter at 10 ft. or greater spacing Three Electrode Method, for the measurement of resistance to earth of man-made grounds, anode resistance, polarization effects Two Electrode Method, for the measurement of circuit resistance Includes 4 ground rods & cable set These units were purchased from a surplus government auction. They are complete sets and are just past their calibration dates per sticker. The units included a serviceable tag from the US Air Force. They show signs of use and each has its own carrying case and ground rods. One unit has 5 ground rods and that unit will ship first while the 2nd unit has four ground rods and will ship last. Please note we do not have the necessary tools to properly test or verify calibration on these units. Also, the batteries have been removed from the units, so these units will be sold AS IS. Shipping will be $25.00 to the lower 48 ONLY. PLEASE NOTE BEFORE BIDDING: - PayPal ONLY form of payment accepted - NO INTERNATIONAL bidders or Zero/negative bidders - Any questions, ask BEFORE bidding. - One bid = One unitPosted with eBay Mobile
Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...
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Model 293A

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