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Leakage Current Tester


Hipot is an abbreviation for high potential. Traditionally, Hipot is a term given to a class of electrical safety testing instruments used to verify electrical insulation in finished appliances, cables or other wired assemblies, printed circuit boards, electric motors, and transformers. The term Hypot is a trademark for hipot testers made by Associated Research.

A Hipot test (also called a Dielectric Withstand test) verifies that the insulation of a product or component is sufficient to protect the operator from electrical shock. In a typical Hipot test, high voltage is applied between a product's current-carrying conductors and its metallic chassis. The resulting current that flows through the insulation, known as leakage current, is monitored by the tester. The theory behind the test is that if a deliberate over-application of test voltage does not cause the insulation to break down, the product will be safe to use under normal operating conditions -- hence the name, Dielectic Withstand test.

Dielectric breakdown Test. The test voltage is increased until the dielectric fails, or breaks down, allowing too much current to flow. The dielectric is often destroyed by this test so this test is used on a random sample basis. This test allows designers to estimate the breakdown voltage of a product's design.

Dielectric Withstand Test. A standard test voltage is applied (below the established Breakdown Voltage) and the resulting leakage current is monitored. The leakage current must be below a preset limit or the test is considered to have failed. This test is non-destructive and is usually required by safety agencies to be performed as a 100% production line test on all products before they leave the factory.

Insulation Resistance Test. This test is used to provide a quantifiable resistance value for all of a product's insulation. The test voltage is applied in the same fashion as a standard Hipot test, but is specified to be Direct Current (DC). The voltage and measured current value are used to calculate the resistance of the insulation.

For Ground Bond Test a high current (usually 25-30A AC) is applied to the product under test to verify that all conductive parts of said product (exposed to the user) are connected to power line ground.

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 All Leakage Current Tester
 New Leakage Current Tester
 Used Leakage Current Tester
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Hipot, Electrical Safety By Type

 Wire Tracer
 Earth Ground Tester
 Ground Bond Tester
 Hipot Tester
 Insulation Resistance, Megohmmeter
 Leakage Current Tester

Hipot, Electrical Safety By Manufacturer

 Agilent Leakage Current Tester
 Fluke Leakage Current Tester
 Chroma Leakage Current Tester
 B&K Precision Leakage Current Tester
 Extech Leakage Current Tester
 Instek Leakage Current Tester
 Hioki Leakage Current Tester
 Amprobe Leakage Current Tester
 QuadTech Leakage Current Tester

All Leakage Current Tester Products

 Fluke
360 AC Leakage Current Clamp Meter Pocket-sized  New - Priced from $750
 Chroma
11200 Capacitor Leakage Current/IR Meter 1.0-650V/800V, CC 0.5-500mA  New
19020, 19021, 19022 Multi-Channel Hipot Testers Uo to 10 channels, AC/DC/IR  New
19032 Electrical Safety Analyzer 5 kV AC & 6 kV DC Hipot, IR, Ground Bond, Leakage Current  New
19052, 19053, 19054 Hipot Testers 5 kV AC & 6 kV DC Hipot, IR, 8-CH Scanner  New
 Extech
CB10 Circuit Breaker Tester 3-in-1 Tester  New - Priced from $40
CT70 AC Circuit Load Tester AC Circuit Load Tester, 90 - 240 VAC  New - Priced from $240
CT80 AC Circuit Load Tester 85.0 to 250.0V, AFCI/GFCI, LCD display  New - Priced from $300
 Instek
GLC-9000 Leakage Current Tester Simulates the Resistance of the Human Body  New - Priced from $2,650
 Hioki
3156-01 Leakage Current Tester Tests electronic and medical equipment  Used
3283 Leakage Current Clamp Meter 30.0 Hz to 1000 Hz, 2 ranges  New - Priced from $350
ST5540, ST5541 Leakage Current Testers Up to 20A,  New - Priced from $3,150
 Amprobe
AC50A AC Leakage Clamp COMPACT CLAMP METER FOR LEAKAGE CURRENT  New - Priced from $400
CT-326B Current Tracer 9-300V AC/DC, 300-600VAC  Used