People Megohmmeter Insulation Resistance Tester Electrician Resistance Meter ZC-7 2500V/2500MΩ

Rubber anti-slip and anti-fall feet on all four corners to protect the instrument and ensure safe measurement.

Constructed with environmentally friendly, high-temperature resistant, and impact-resistant materials.

High overload capacity for reliable performance under heavy load.

High-voltage hand-cranked generator.

Magnetic double-coil galvanometer.

L and E connection terminals, grounding terminal (G).

Calibrated dial scale.

Hand crank and carrying handle.

Place the instrument horizontally.

Connect the device under test to L and E terminals.

For line insulation testing, connect L to the line and E to ground.

For two-wire insulation testing, connect L and E to each wire respectively.

For cable insulation testing, connect L to the core wire, E to the outer layer, and G to the inner layer to avoid surface leakage errors.

Rotate the hand crank at approximately 120 turns per minute.

Observe pointer movement for normal operation and insulation resistance readings.

Rubber base feet provide anti-slip and shock protection.

Robust stainless steel handle and durable casing prevent deformation.

Designed for safe and reliable insulation resistance measurement in various electrical maintenance and testing environments.