Analog Insulation Tester 3165 – Kyoritsu
SKU: MET-K-3165
Categories: Insulation Resistance Testers, Meters
The Kyoritsu (KEW) Model 3165 is an analog insulation tester designed to measure insulation resistance up to 1000MΩ using a 500V DC test voltage, alongside an AC voltmeter scale rated to 600V. It features an expanded megohm scale for easy reading, an automatic discharge function to safely dissipate stored electrical charge after testing, and a robust housing built to withstand field use. Compact and battery-powered (4 x AA), it’s CE marked and comes complete with test leads, a cord case, shoulder strap, and instruction manual for portable electrical insulation testing.
Key Features:
- 500V DC test voltage for insulation resistance testing
- Insulation resistance measurement range up to 1000MΩ
- First measuring range: 1–500MΩ (±5% accuracy)
- Second measuring range: 0.5–1000MΩ (±10% accuracy)
- AC voltmeter scale up to 600V (±3% accuracy)
- Expanded megohm scale for easier, more precise reading
- Automatic discharge function to safely dissipate stored charge after testing
- Robust housing case designed to resist damage in the field
- Compact and lightweight: 90 × 137 × 40mm, approx. 330g
- Powered by 4 x AA batteries; includes test leads, cord case, shoulder strap, and instruction manual
- Easy to read scale means no confusing digital readings.
- Weight: 330g
- Dimensions: 90mm (L) × 137mm (W) × 40mm (D)

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