HIOKI

HIOKI IR4059 Insulation Tester

Name: HIOKI IR4059 Insulation Tester
Brand: HIOKI
Price: 218500.0 LKR
Availability: InStock

Rs 218,500.00 LKR

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HIOKI IR4059 Insulation Tester | Bluetooth Digital Megohmmeter for EV & Industrial Insulation Testing

High-Speed Insulation Resistance Testing with Bluetooth Connectivity in Sri Lanka

The HIOKI IR4059 is a high-performance, Bluetooth-compatible digital insulation tester engineered for fast, accurate insulation resistance measurement from 50V to 1000V. Combining a 5-range test system with a luminous bar graph display, built-in AC/DC voltmeter, and rapid 0.3-second PASS/FAIL judgment, it is ideal for electricians, EV technicians, and industrial maintenance teams in Sri Lanka who need reliable results and clear on-site diagnostics. Optimized for electric vehicle insulation testing, solar systems, and building installations, the IR4059 supports efficient troubleshooting, safety verification, and compliance documentation across modern electrical networks.

With Bluetooth data transfer (via optional Wireless Adapter Z3210) and GENNECT Cross app support, the HIOKI IR4059 lets professionals capture, store, and share test results directly to smartphones, tablets, or Excel, reducing manual note-taking and improving traceability. Its rugged construction with 1 m drop resistance, bright backlit LCD, and multi-functional test lead with remote switch and flashlight ensures dependable field usability in harsh industrial and automotive environments in Sri Lanka. Designed to shorten work time while enhancing safety, this insulation resistance tester delivers the speed, precision, and digital workflow integration demanded by today’s electrical professionals.

Key Features of the HIOKI IR4059 Insulation Tester

5-Range Insulation Test Voltages: Provides selectable test voltages of 50V, 125V, 250V, 500V, and 1000V, covering low-voltage circuits, industrial installations, and high-voltage EV components with resistance measurement up to 4000 MΩ depending on range.
High-Speed Digital PASS/FAIL Judgment: Delivers stable digital readings with a typical 0.3-second response time for PASS/FAIL judgment, enabling rapid go/no-go decisions during large-scale inspections and EV maintenance routines.
Bluetooth-Ready Data Transfer: Supports wireless data export to smartphone or tablet via the free GENNECT Cross app or directly to Excel when used with the optional Wireless Adapter Z3210, streamlining reporting and record-keeping for insulation tests.
Multi-Functional Test Lead with Remote Switch: Includes the L9788-10 test lead featuring a remote test start switch, built-in flashlight, and PASS/FAIL LED indication, allowing safe one-hand operation and instant status confirmation without looking back at the instrument.
Luminous LCD & Bar Graph Display: Equipped with a semi-transmissive backlit LCD and digital bar graph, ensuring insulation values and voltage readings remain clearly visible in dim panel rooms, vehicle bays, and outdoor work sites.
Integrated AC/DC Voltage Measurement: Measures DC voltage from approximately 4.2 V up to 600 V and AC voltage up to 600 V, providing convenient pre-checks for live circuits and supporting testing of solar power generation systems and EV high-voltage lines.
Continuity Check with 200 mA Test Current: Offers a low-resistance continuity mode from around 10 Ω to 1000 Ω with a test current of at least 200 mA, suitable for verifying protective conductors and grounding in accordance with installation standards.
Robust, Field-Ready Construction: Designed for demanding work environments with drop-proof performance from 1 m onto concrete, protective holster, and ergonomic layout that allows thumb-operated single or continuous measurement selection.
Advanced Safety & Auto Functions: Features live-circuit indication, automatic discharge of residual charge after testing, automatic AC/DC detection, comparator function, and auto power save to support safe, efficient daily use.

Common Applications for HIOKI IR4059 in Sri Lanka

This Bluetooth insulation resistance tester is purpose-built for:

Electric Vehicle & Hybrid Vehicle Insulation Testing: Ideal for checking insulation resistance of EV and HEV high-voltage systems, harnesses, and components, with safety-focused high-voltage range selection and continuous measurement that simplifies compliance with manufacturer and standards requirements.
Industrial & Plant Maintenance: Used to evaluate insulation in motors, generators, switchgear, distribution panels, and control wiring in factories and processing plants, helping predict failures and support preventive maintenance programs.
Solar Power & Building Electrical Systems: Supports inspection of PV strings, inverters, and building electrical installations with integrated AC/DC voltage measurement and multiple insulation test voltages, ensuring safe operation and adherence to insulation quality expectations.
Grounding & Protective Conductor Verification: Performs continuity checks of protective conductors, earth bonds, and safety conductors using 200 mA test current to confirm low resistance connections that contribute to fault clearing and personnel protection.

Technical Specifications of the HIOKI IR4059

Insulation Test Voltages: 50V / 125V / 250V / 500V / 1000V DC rated output voltage for versatile insulation testing from low-voltage circuits to high-voltage EV and industrial systems.
Insulation Resistance Ranges: Measurement ranges up to approximately 100 MΩ, 250 MΩ, 500 MΩ, 2000 MΩ, and 4000 MΩ depending on the selected test voltage, providing wide coverage for cable, motor, and equipment insulation diagnostics.
Insulation Measurement Accuracy: Typical basic accuracy of about ±2 % rdg. ±2 dgt. within the primary effective measuring ranges, delivering consistent, repeatable insulation values suitable for professional reporting.
Continuity (Low-Resistance) Range: Approximate measuring range from 10 Ω (0.01 Ω resolution) to 1000 Ω (1 Ω resolution) across three ranges, with test current 200 mA or higher at low resistance to support protective conductor testing.
Voltage Measurement: DC voltage range from about 4.2 V to 600 V and AC voltage range up to 600 V (50/60 Hz) over defined ranges, allowing quick confirmation of circuit status before insulation testing.
Display & Response: Semi-transmissive FSTN LCD with backlighting and bar graph; typical response time of around 0.3 seconds for PASS/FAIL decisions via comparator function.
Safety & Durability: Rated for CAT III 600 V measurement environments with overload protection up to around 600–660 V AC, and drop-tested from 1 m to support rugged field operation.
Power Source: Powered by 4 x LR6 (AA) alkaline batteries, offering many hours of continuous use and hundreds of insulation tests under typical duty cycles.