Product Description

The Hioki Electric Insulation Tester IR4051-10 is a robust, JIS-certified insulation resistance tester offering five measurement ranges from 50V to 1000V. It features a durable design capable of withstanding drops from 1 meter onto concrete and is equipped with a high-intensity white LED backlight for enhanced visibility in low-light conditions. This model includes an integrated hard case and a neck strap for easy portability. The tester provides quick and accurate readings with a comparator judgment result response time of approximately 0.8 seconds, and it includes a continuity check and voltage measurement functions, making it suitable for a variety of applications including solar power and electric vehicles.

Product Specification

- Rated Measuring Voltage: DC 50V to DC 1000V
- Effective Maximum Display Value: Up to 4000 MΩ
- Accuracy: ±4% reading
- First Effective Measuring Range MΩ: 0.200 to 1000 MΩ
- External Applied Voltage Protection: Up to AC1200V
- DC Voltage Measurement: 4.2V to 600V, accuracy: ±1.3% reading ±4 digits
- AC Voltage Measurement: 420V to 600V, accuracy: ±2.3% reading ±8 digits
- Low Resistance Measurement: 10 Ω to 1000 Ω, accuracy: ±3% reading ±2 digits
- Display: Semi-transmissive FSTN LCD with backlight
- Power Source: AA alkaline batteries x 4, continuous use time: 20 hours
- Dimensions and Weight: 159mm x 177mm x 53mm, 600g (including batteries, excluding test leads)
- Accessories: Unswitched lead L9787 x 1, Neck strap x 1, Instruction manual x 1, AA alkaline batteries (LR6) x 4

Usage

The IR4051-10 is designed for easy use with an integrated main unit and hard case. It features a PASS/FAIL judgment system, where FAIL results are indicated by red lighting on the display and an audible buzzer. This model is particularly useful for checking insulation resistance in various electrical setups and is also equipped with functions for DC and AC voltage measurements, making it versatile for tasks in solar power generation and electric vehicle maintenance.