Hioki เครื่องวัดความเป็นฉนวน / เมกกะโอมห์มิเตอร์ IR4056-20

Hioki เครื่องวัดความเป็นฉนวน / เมกกะโอมห์มิเตอร์ IR4056-20 - แทนรุ่น3454-11


Our most popular model offering reading stability in medium-speed digital format











5-range testing voltage 50 V/100 MΩ to 1000 V/4000 MΩ
Stable & medium-speed digital readings, response time at PASS/ FAIL decision 0.8 second
Drop proof onto concrete from 1m (3.28 feet)
Bright LED luminous LCD, Test lead with bright LED lamp to illuminate near hand (Option L9788-11 or L9788-10)
Continuity check via 200 mA testing
Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles





















Basic specifications(Accuracy guaranteed for 1 year)













Testing voltage
50V DC
125V DC
250V DC
500V DC
1000V DC


Effective maximum indicated value
100 MΩ
250 MΩ
500 MΩ
2000 MΩ
4000 MΩ


Accuracy1st effective measuring range MΩ
±4% rdg.0.200 - 10.00
±4% rdg.0.200 - 25.0
±4% rdg.0.200 - 50.0
±4% rdg.0.200 - 500
±4% rdg.0.200 - 1000


Lower limit resistance
0.05 MΩ
0.125 MΩ
0.25 MΩ
0.5 MΩ
1 MΩ


Overload protection
AC 600 V (10s)
AC 1200 V (10s)

















DC voltage measurement
4.2V (0.001V resolution) to 600V (1V resolution), 4 ranges, Accuracy: ±1.3% rdg. ±4 dgt., Input resistance: 100 kΩ or higher


AC voltage measurement
420V (0.1V resolution) / 600V (1V resolution), 2 ranges, 50/60 Hz, Accuracy: ±2.3% rdg. ±8 dgt., Input resistance: 100 kΩ or higher, Average rectifier


Low resistance measurement
For checking the continuity of ground wiring, 10 Ω (0.01 Ω resolution) to 1000 Ω (1 Ω resolution), 3 ranges, Basic accuracy: ±3 % rdg. ±2 dgt., testing current 200 mA or more (at 6 Ω or less)


Display
Semi-transmissive FSTN LCD with back lighting, bar-graph indicator


Response time
Approx. 0.8 second for PASS/FAIL decision (at HIOKI's conditions)


Other functions
Live circuit indicator, Automatic electric discharge, Automatic DC/AC detection, Comparator, Drop proof, Auto power save


Power supply
LR6 (AA) alkaline batteries × 4 Continuous use: 20 hours (at HIOKIs conditions) Number of measurements: 1000 times (at 5 s ON, 25 s OFF cycle, insulation measure of lower limit resistance value to maintain nominal output voltage)


Dimensions, mass
159 mm (6.26 in) W × 177 mm (6.97 in) H× 53 mm (2.09 in) D, 600 g (21.2 oz) (including batteries, excluding test leads)


Supplied accessories
TEST LEAD L9787 ×1, Neck strap ×1, Instruction Manual ×1, LR6 (AA) alkaline batteries ×4