Đo điện trở cách điện Megomet Hioki IR4057-20

Mô tả sản phẩm: Đo điện trở cách điện Megomet Hioki IR4057-20

Quick response comparator offering reading stability in high-speed digital format

5-range testing voltage 50 V/100 MΩ to 1000 V/4000 MΩ Stable & high-speed digital readings, response time at PASS/FAIL decision 0.3 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 Accuracy 1st 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. 0.3 second for PASS/FAIL decision (at HIOKI's conditions) 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: 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, 640 g (22.6 oz) (including batteries, excluding test leads) Supplied accessories TEST LEAD L9787 ×1, Neck strap ×1, Instruction Manual ×1, LR6 (AA) alkaline batteries ×4