Sealey Digital Insulation Tester - TA319

The Sealey TA319 is primarily designed for testing insulation resistance on high-voltage cables, with a specific focus on applications in hybrid and electric vehicles.

It conforms to EN61010 CAT III (1000V), which is a safety standard for measurements in fixed electrical installations.

Yes, it is supplied complete with test leads, batteries, and a storage case.

While it meets high safety standards, its design is specialized for high-voltage insulation testing, particularly in automotive. For general household electrical testing, other types of testers may be more appropriate.

Clean the tester with a dry or slightly damp cloth. Avoid using abrasive cleaners or solvents.

A low reading suggests a potential insulation fault. Ensure the circuit is properly de-energized and re-test. Inspect the wiring or component for physical damage, moisture, or contamination. Consult the relevant service manual for specific resistance thresholds.

Please refer to the Sealey product documentation or contact your point of purchase for the most accurate warranty information, as warranty periods can vary.

Check if batteries are inserted correctly and have sufficient charge. Replace batteries if necessary.

Ensure test leads are securely connected to both the tester and the circuit under test. Verify the circuit is de-energized and isolated before testing. Check leads for damage.

This indicates a potential fault. Re-test to confirm. Inspect the cable or component for damage, contamination, or moisture. Refer to vehicle or system service manual for acceptable resistance values.

The circuit may still be live or have a very low impedance. Ensure the circuit is completely de-energized and isolated before re-testing. Do not attempt to force a reading.