| Fluke | 1503 | Insulation Tester | 500V | 1000V | 2GΩ | Backlit LCD | - | 200mA | 1000 Insulation Tests | AA | Battery | -20°C | +50°C | CAT III 600 V, CAT IV 600V | CAT III, CAT IV | 600V | - | - |
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| Megger | MIT310 | Insulation & Continuity Tester | 250V | 1000V dc | 999MΩ | LCD | - | 1mA | 5000 5-Second Tests | AA | Battery | -10°C | +60°C | CAT III 600V | CAT III | 600V | - | - |
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| Kyoritsu | 3132A | Insulation & Continuity Tester | 250V | 1000V | 400MΩ | Analogue | - | 200mA | - | AA | Battery | - | - | CAT III 600 V | CAT III | 600V | - | - |
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| Megger | MIT400 2 | Insulation Tester | 10V | 1000V | 200GΩ | Analogue, Dual Digital | - | 205mA | 2200 (OFF) Test @ 55 s, 2200 (ON) Test @ 5 s | Alkaline | Battery | -20°C | +55°C | CAT IV 600V | CAT IV | 600V | - | - |
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| Megger | MIT410 2 | Insulation Tester | 10V | 1000V | 200GΩ | Analogue, Dual Digital | - | 205mA | 3000 5-second tests | Alkaline | Battery | -20°C | +55°C | CAT IV 600V | CAT IV | 600V | - | - |
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| Fluke | 1587 FC | Insulation Tester | 50V | 1000V | 2GΩ | Backlit LCD | - | 1mA | 1000 h | AA, NEDA 15A | Battery | -20°C | +50°C | CAT III 1000 V, CAT IV 600V | CAT III, CAT IV | 600 V, 1000 V | - | - |
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| Kyoritsu | K3132A | Insulation Resistance Tester | 250V | 1000V | - | LCD | - | - | - | - | - | - | - | - | - | - | - | - |
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| Fluke | 1555 | Insulation Tester | 250V | 10000V | 2TΩ | LCD | - | 1 nA → 2 mA | 750 Tests | Rechargeable Lead Acid (Yuasa NP2.8-12) | Battery | -20°C | +50°C | CAT III 1000 V, CAT IV 600V | CAT III, CAT IV | 1000 V, 600 V | - | - |
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| Fluke | 1535 | Insulation Tester | 250V | 2500V | - | LCD | - | - | - | - | - | - | - | CAT IV 600V | - | - | - | - |
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| Megger | MIT481 | Insulation Tester | 50V | 1000V | 100GΩ | Digital | - | 20 mA @ 10.0 Ω → 99.9 Ω, 205 mA @ 0.01 Ω → 9.99 Ω | 2200 5-Second Tests | Alkaline, NiMH | Battery | -20°C | +55°C | CAT IV 600V | CAT IV | 600V | - | - |
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| Fluke | 1577 | Insulation Tester | 500V | 1000V | 2GΩ | LCD | - | 1mA | 1000 h | AA | Battery | -20°C | +55°C | CAT III 1000 V, CAT IV 600V | CAT III, CAT IV | 600 V, 1000V | - | - |
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| Extech | MG320 | Insulation Tester | 50V | 1000V | - | Analog Bargraph, Digital | - | - | - | AA | - | - | - | CAT IV 600 VV | - | - | - | - |
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| Fluke | 1587 | Insulation Tester | 50V | 1000V | 2GΩ | Digital | - | 1mA | 1000 h | AA | Battery | -20°C | +55°C | CAT III 1000 V, CAT IV 600V | CAT III, CAT IV | 600 V, 1000 V | - | - |
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| Megger | MIT320 | Insulation & Continuity Tester | 250V | 1000V dc | 999MΩ | Digital | - | 1mA | 5000 5-Second Tests | AA | Battery | -10°C | +60°C | CAT III 600V | CAT III | 600V | - | - |
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| Chauvin Arnoux | CA 6505 | Insulation Tester | 40V | 5100V | - | LCD | - | - | - | - | - | - | - | - | - | - | - | - |
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| Fluke | 1507 | Insulation Tester | 50V | 1000V | 10GΩ | LCD | - | 200mA | 1000 Insulation Tests | AA | Battery | -20°C | +50°C | CAT III 600 V, CAT IV 600V | CAT III, CAT IV | 600V | - | - |
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| Fluke | 1555 FC | Insulation Tester | 250V | 10000V | 2TΩ | LCD | - | 1 nA → 2 mA | 750 Tests | Rechargeable Lead Acid (Yuasa NP2.8-12) | Battery | -20°C | +50°C | CAT III 1000 V, CAT IV 600V | CAT III, CAT IV | 600 V, 1000 V | - | - |
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| Megger | MIT1025 | Insulation Tester | 500V | 10000V | 20TΩ | LCD | - | 6mA | 4.5 h | Li-ion | Battery, Mains | -20°C | +50°C | CAT IV 600V | CAT IV | 600V | - | - |
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| Megger | MIT515 | Insulation Tester | 250V | 5000V | 10TΩ | LCD | - | 6mA | 6 h | Lithium-Ion | Battery, Mains | -20°C | +50°C | CAT IV 600V | CAT IV | 600V | - | - |
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| Megger | MIT410 2 | Insulation Tester | 10V | 1000V | 200GΩ | Analogue, Dual Digital | - | 205mA | 2200 (OFF) Test @ 55 s, 2200 (ON) Test @ 5 s | Alkaline | Battery | -20°C | +55°C | CAT IV 600V | CAT IV | 600V | - | - |