Vivax Metrotech A-frame User Manual

Carefully place the A-frame before and after the fault to pinpoint the position. Repeating this
across the line direction will pinpoint the fault laterally. The fault will be at the point where the
lateral fault is identified.
WARNING
Always disconnect or isolate target/faulty/suspected cables before
connecting the transmitter to it. Never attach the transmitter to live
cables.
TIP
If it is suspected that there is just one fault, insert the A-frame
approximately one meter from the earth stake. Note the dBuV - this is
approximately the maximum dBuV reading that will be measured over the
fault.
Disclaimer: Product and accessory specification and availability information is subject to change without prior
notice.
Vivax-Metrotech Corp. (Headquarters)
3251 Olcott Street, Santa Clara, CA 95054, USA
T/Free: 800-446-3392
Tel: +1-408-734-1400
Fax: +1-408-734-1415
Email: sales@vxmt.com
Website: www.vivax-metrotech.com
Please visit www.vxmt.com for other locations.
info@wctproducts.com | 13309 Beach Ave. Marina del Rey, CA 90292 | wctproducts.com | Phone: 800-WCT-PROD (800-928-7763) or 310-822-5212 | Fax: 310-306-9343
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A-frame User Guide V1.1
Using the Analogue A-frame Fault Finding Accessory
The analogue A-frame accessory is used to detect ground faults on pipes and cables. In the case
of pipes, the faults consist of coating defects. In the case of cables, faults are usually caused by
insulation damage allowing the metallic sheath (or internal conductor) to become in contact with
the ground.
It is intended to be used with the vLoc2 range of locators and will require a fault find signal applied
to the faulty conductor from a Vivax-Metrotech compatible transmitter.
Note
Fault finding requires a non standard signal. Historically there have been many versions of Fault
Find signal. Some of these are listed below:
- 3/6Hz Fault Find (Used to detect faults on pipelines)
- Signal Select Fault Find (Good for fault finding on short runs such as power networks)
P/N:4.04.000043
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