Easy-to-use, all-in-one hard case type
Insulation Resistance Meter IR4051-11 (with switchable leads)
●JIS certified 5-range insulation resistance meter
●Stable display and high-speed measurement, comparator judgment result response time of 0.8 seconds
●Shock-resistant design that withstands drops from 1m onto concrete
●High-brightness white LED illumination and test leads with lights to improve work efficiency in dark work sites (standard included with IR4051-11)
●200mA continuity check function
●DC voltage measurement function useful for AC, solar power generation, electric vehicles, etc.
■Basic Specifications (Accuracy Guarantee Period 1 Year)
Rated Measurement Voltage: DC 50 V / DC 125 V / DC 250 V / DC 500 V / DC 1000 V
Effective Maximum Display Value: 100 MΩ / 250 MΩ / 500 MΩ / 2000 MΩ / 4000 MΩ
Accuracy: ±4%rdg.
First effective measurement range MΩ: 0.200 to 10.00 MΩ / 0.200 to 25.0 MΩ / 0.200 to 50.0 MΩ / 0.200 to 500 MΩ / 0.200 to 1000 MΩ /
Lower limit resistance at which rated measurement voltage can be maintained: 0.05 MΩ / 0.125 MΩ / 0.25 MΩ / 0.5 MΩ / 1 MΩ
External applied voltage protection: AC600V (10s) / AC600V (10s) / AC600V (10s) / AC600V (10s) / AC1200 V (10s)
DC voltage measurement: 4.2V (0.001V resolution) to 600V (1V resolution), 4 ranges, Accuracy: ±1.3%rdg. ±4dgt. Input resistance 100kΩ or higher
AC voltage measurement: 420V (0.1V resolution) / 600V (1V resolution), 2 ranges, 50/60 Hz, Accuracy: ±2.3%rdg ±8dgt., Input resistance 100 kΩ or higher, Average value rectified RMS value indication
Low resistance measurement: For checking ground wire continuity, 10 Ω (0.01 Ω resolution) to 1000 Ω (1 Ω resolution), 3 ranges, Basic accuracy: ±3%rdg. ±2dgt., Measurement current: 200mA or higher (when 6Ω or less)
Display: Semi-transmissive FSTN LCD, backlight
Response time: Comparator judgment result response time: Approximately 0.8 seconds *Under our specified conditions
Functions: Live wire warning, Automatic discharge, AC/DC automatic detection, Comparator, Drop-proof, Auto power save
Power supply: AA alkaline battery (LR6) ×4, Continuous use time: 20 hours (under our specified conditions), Number of measurements possible: 1000 times (when measuring the lower limit of the measurable resistance value that can maintain the rated measurement voltage with 5 seconds ON/25 seconds OFF)
Dimensions and weight: 159 W × 177 H × 53D mm, 600 g (including batteries, excluding test leads)
Accessories: IR4051-11 switchable lead set L9788-11 × 1, neck strap × 1, instruction manual × 1, AA alkaline batteries (LR6) × 4
If the seller is not "Amazon.co.jp", a Japanese manual may not be included.
Entry model in HIOKI E.E. CORPORATION's insulation resistance meter series
JIS certified 5-range insulation resistance meter (50V/125V/250V/500V/1000V)
Equipped with white LED backlight
Robust design that can withstand a drop from 1m onto concrete