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a910

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A910 User manual User manual
Home  >  Products  >  Cable fault locators  > 
A910 - Short circuit locator for power cables.

INTRODUCTION

The A910 is a short circuit locator designed for fault location in power 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 A910 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 5mohm (approximately 90 m of 300 sqmm cable) and less than 30 kohms. The distance to fault is measured as a percentage of the total length of cable and is displayed on a large LCD display.

Note: for the operation of this locator should be accessible both ends of the cable.

APPLICATIONS

Localization of short circuit in cables wound on reel.
Location of fault present in:
- electric cables.
- telephone cables.
- rf cables
- thermocouple cables.
- enameled wires.
- symmetrical and asymmetrical cables.


SPECIFICATIONS

Can test cables with a loop resistance between 5mohm ( 90 m @ 300 sqmm) and 30 kohms.
Range: > 100 km @ 300 ohm/km
Basic accuracy: ± 0,1 % ± 1 digit
Test current: max 1 A
Power supply: 6 AA-size alkaline or rechargeable batteries.
Battery life: 1000 measurements @ 100 mohm
Weight: 520 g
Dimensions: 110 x 204 x 41 mm

ORDERING INFORMATION

Model A910:
locator for cable with a total resistance between 5 mohm and 30,000 ohms.

Included accessories:
carrying case, operating instructions, software for calculating the location of multiple faults, Kelvin probes type SK20 with a maximum aperture of 20 mm.

Optional accessories:
SK7: Kelvin probes with a maximum aperture of 7 mm
SK30: Kelvin probes with a maximum aperture of 30 mm.

Warranty: 1 year


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