Insulation Tester IR4057-50
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Description
⚡ Test smarter, work safer, and never miss a beat with Hioki IR4057-50!
- RUGGED READY - Drop-proof up to 1 meter with luminous backlit display and bright LED for any lighting condition.
- SAFETY FIRST ALWAYS - Live-circuit indicator plus automatic discharge protects you and your device every test.
- ALL IN ONE EFFICIENCY - Built-in AC/DC voltage meter and continuity check eliminate tool swapping and speed up inspections.
- INSTANT FIELD DECISIONS - Ultra-fast 0.3-second PASS/FAIL comparator with visual & audio alerts keeps you ahead on site.
- PRECISION AT YOUR FINGERTIPS - Select from 5 voltage ranges (50V to 1000V) for tailored insulation testing.
The Hioki IR4057-50 is a professional-grade insulation tester featuring 5 selectable test voltages from 50V to 1000V, capable of measuring insulation resistance up to 4000 MΩ. Designed for field electricians, it offers a rapid 0.3-second PASS/FAIL comparator with audio-visual feedback, built-in AC/DC voltage and continuity checks, and a rugged, drop-proof design with a luminous backlit display. Safety is paramount with CAT III 600V rating, live-circuit detection, and automatic discharge, making it an indispensable tool for efficient and safe electrical testing.
Specifications
| ASIN | B0FSSL8D1S |
| Batteries | 4 AA batteries required. (included) |
| Best Sellers Rank | #487,022 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #80 in Insulation Resistance Meters |
| Date First Available | September 30, 2025 |
| Item Weight | 1.41 pounds |
| Item model number | 4536036013340 |
| Manufacturer | HIOKI |
| Product Dimensions | 6.97 x 6.26 x 2.09 inches |
Common Questions
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