HIOKI IR4057-20 绝缘电阻测试仪 (100, 250, 500, 2000, 4000 MΩ)

Testing voltage: 50, 125, 250, 500, 1000 VDC

Range  100, 250, 500, 2000, 4000 MΩ

Accuracy: ±4% rdg.

DCV: 4.2V (0.001V) to 600V (1V)

Accuracy: ±1.3% rdg. ±4 dgt

ACV: 420V (0.1V) / 600V (1V)

Accuracy: ±2.3% rdg. ±8 dgt.

Resistance: 10 Ω (0.01 Ω) to 1000 Ω (1 Ω )

Basic accuracy: ±3 % rdg. ±2 dgt

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

Response time: Approx. 0.3 second for PASS/FAIL decision 

Other functions: Indicate MΩ measurement value after a lapse of one minute, 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

Dimensions, mass        159 mm W × 177 mm H× 53 mm D, 640 g

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