MOHAMMAD MAHDI Electronics Trading LLC
Hioki IR4056-20 Insulation Tester
Brand:
Hioki
SKU:
13450
- 5-range testing voltage: 50 V to 1000 V
- High resistance range up to 4000 MΩ
- Drop-proof design withstands 1m fall onto concrete
- Test lead with bright LED lamp for illumination
- Fast 0.8 second PASS/FAIL response time
- Built-in AC/DC voltage meter for solar/EV testing
- Safe Buy
- Fast Delivery
- Original Guarantee
- Online Payment
Description
Overview
The Hioki IR4056-20 is a five-range digital insulation resistance tester (megohmmeter) with test voltages of 50, 125, 250, 500 and 1000 V, combining insulation testing with a continuity function. Its cleverly designed all-in-one rugged housing includes a built-in test-lead storage compartment, and it measures insulation resistance, continuity, DC voltage and AC voltage quickly and safely. Fast, accurate and easy to use, the IR4056-20 is a versatile tool for a wide range of electrical maintenance and inspection tasks.
Key Features
- Five test voltages: 50, 125, 250, 500 and 1000 V DC
- Insulation testing combined with a continuity function
- High ±2% rdg. insulation-resistance accuracy
- DC and AC voltage measurement
- All-in-one rugged housing with test-lead storage
- Powered by four standard AA batteries
Applications
- Insulation resistance and continuity testing of installations
- Maintenance and safety inspection of equipment
- Field electrical testing and troubleshooting
- Routine preventive maintenance
What’s in the Box
- IR4056-20 Insulation Tester
- Test leads
- LR6 (AA) alkaline batteries ×4
- Instruction manual
Why buy from MME in UAE
MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of Hioki test and measurement equipment in the UAE. We offer genuine products, competitive pricing, fast local delivery across Dubai, Abu Dhabi and the wider UAE, and knowledgeable after-sales support. 
Download the datasheet
specifications
specifications
Technical Specifications of the Rated Output Voltage Meter
| Voltage Rating (DC) | 50 V | 125 V | 250 V | 500 V | 1000 V |
|---|---|---|---|---|---|
| Max Indicated Value (MΩ) | 100 MΩ | 250 MΩ | 500 MΩ | 2000 MΩ | 4000 MΩ |
| Accuracy (±% rdg. ± dgt.) | ±2 % + 2 dgt. | ±2 % + 2 dgt. | ±2 % + 2 dgt. | ±2 % + 2 dgt. | ±2 % + 2 dgt. |
| Lower Limit Resistance (MΩ) | 0.05 MΩ | 0.125 MΩ | 0.25 MΩ | 0.5 MΩ | 1 MΩ |
| Overload Protection | 600 V AC (10s) / 660 V AC (10s) | ||||
| DC Voltage Range | 4.2 V (0.001 V resolution) to 600 V (1 V resolution), Accuracy: ±1.3% + 4 dgt., Input resistance: ≥100 kΩ | ||||
| AC Voltage Range | 420 V (0.1 V resolution) / 600 V (1 V resolution), 50/60 Hz, Accuracy: ±2.3% + 8 dgt., Input resistance: ≥100 kΩ, Average rectifier | ||||
| Low Resistance Range | 10 Ω (0.01 Ω resolution) to 1000 Ω (1 Ω resolution), Accuracy: ±3% + 2 dgt., testing current ≥200 mA (at ≤6 Ω) | ||||
| Display | Semi-transmissive FSTN LCD with backlighting, bar-graph indicator | ||||
| Response Time | Approx. 0.8 second for PASS/FAIL decision | ||||
| Other Functions | Live circuit indicator, Auto electric discharge, DC/AC detection, Comparator, Drop proof, Auto power save | ||||
| Power Supply | LR6 (AA) alkaline batteries ×4, 20 hours continuous use | ||||
| Dimensions and Mass | 159 mm (6.26 in) W × 177 mm (6.97 in) H × 53 mm (2.09 in) D, 600 g (21.2 oz) | ||||
| Included Accessories | Power cord ×1, Instruction manual ×1, LCR application disc (Communications user manual) ×1 | ||||
Reviews (1)
1 review for Hioki IR4056-20 Insulation Tester
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Reliable, accurate, and built tough — the IR4056-20 makes insulation testing fast and worry-free on every job.