Rated output voltage |
50 V DC |
125 V DC |
250 V DC |
500 V DC |
1000 V DC |
Effective maximum indicated value |
100 MΩ |
250 MΩ |
500 MΩ |
2000 MΩ |
4000 MΩ |
Accuracy
1st effective measuring range MΩ |
±2 % rdg. ±2 dgt.
0.200 - 10.00 |
±2 % rdg. ±2 dgt.
0.200 - 25.0 |
±2 % rdg. ±2 dgt.
0.200 - 50.0 |
±2 % rdg. ±2 dgt.
0.200 - 500 |
±2 % rdg. ±2 dgt.
0.200 - 1000 |
Lower limit resistance |
0.05 MΩ |
0.125 MΩ |
0.25 MΩ |
0.5 MΩ |
1 MΩ |
Overload protection |
600 V AC (10s) |
660 V AC (10s) |
DC voltage range |
4.2 V (0.001 V resolution) to 600 V (1 V resolution), 4 ranges,
Accuracy: ±1.3% rdg. ±4 dgt., Input resistance: 100 kΩ or higher |
AC voltage range |
420 V (0.1 V resolution) / 600 V (1 V resolution), 2 ranges, 50/60 Hz,
Accuracy: ±2.3% rdg. ±8 dgt., Input resistance: 100 kΩ or higher, Average rectifier |
Low resistance range |
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 (based on in-house testing) |
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 (based on in-house testing)
Number of measurements: 1000 times (at 5 s ON, 25 s OFF cycle, insulation measurement of lower limit resistance value to maintain nominal output voltage) |
Dimensions and mass |
160 mm (6.30 in) W × 98 mm (3.86 in) H× 46 mm (1.81 in) D, 536 g (18.9 oz) (including batteries, excluding test leads) |
Included accessories |
Connection cable L4930 ×1, Alligator clip set L4935 ×1, Test pin set L4938 ×1, Neck strap ×1, Test lead set with remote switch
(Red) LR9788-10×1, Protector Z5042×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4 |