Short Circuit Locator

The A694 is a short circuit locator designed for fault location in metallic cables. The instrument measures the ratio of the resistances of the two sections of failed conductor using a four-wire "Kelvin" connection, thus eliminating errors associated with contact resistances of the test leads. With the A694 you can determine if the cable has more than a short and locate the first and the last fault. The instrument locates fault with an insulation resistance up to 5 Mohms in cables that have a total resistance greater than 0.1 ohm and less than 40 kohms. The distance to fault is measured as a percentage of the total length of cable and is displayed on a large LCD display.

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Topics

Circuit
Contact Resistance
Fault Location
Insulation Resistance
Resistance Test
Insulation Test
Kelvin Leads
Test Leads
Cables
Fault
Resistance
Instruments
Contacts
Display
Four-wire
Insulation
Kelvin
LCD
Test