• 안정적인 측정속도, 콤퍼레이터 양불판정 응답 시간 0.8 초 
• 콘크리트에 1m 자유낙하에도 견디는 내충격 설계  
• 어두운 현장에서 유용한 고휘도 백색 LED 조명(L9788-11 or L9788-10 별매시 사용가능)  
• 200mA 의한 도통 체크 기능  
• AC/DC 전압계가 내장되어 있어 태양광발전 및 전기자동차 등에 유용함.  
• IR4056-20 모델과 동일한 사양 

	Testing voltage	DC 50 V	DC 125 V	DC 250 V	DC 500 V	DC 1000 V
	Effective maximum indicated value	100 MΩ	250 MΩ	500 MΩ	2000 MΩ	4000 MΩ
	Accuracy 1st effective measuring range MΩ	±4% rdg. 0.200 to 10.00	±4% rdg. 0.200 to 25.0	±4% rdg. 0.200 to 50.0	±4% rdg. 0.200 to 500	±4% rdg. 0.200 to 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 HIOKI’s 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