Insulation Testing in 3 Easy Steps, Flip the Cover, Select Range & Test
Testing Voltage | 250 V DC | 500 V DC | 1000 V DC |
Rated Resistance | 100 MΩ | 100 MΩ | 4000 MΩ |
Accuracy
1st Effective Measuring Range |
±5 % of indicated value 0.05 to 50 MΩ |
±5 % of indicated value 0.05 to 50 MΩ | ±5 % of indicated value 2 to 1000 MΩ |
Lower Limit Resistance | 0.25 MΩ | 0.5 MΩ | 1 MΩ |
(measurement resistance value to maintain testing voltage) | |||
Overload Protection | 1200 V AC (10 sec.) |
Low Resistance | 3 Ω (at 200 mA testing current), ±0.09 Ω accuracy 30 Ω (at 20 mA testing current), ±0.9 Ω accuracy, Open-circuit voltage: 4.1 to 6.9 V |
AC Voltage Measurement | 0 to 600 V (50/60 Hz), ±5 % of maximum scale value accuracy, 100 kΩ or more input resistance |
Other Functions | Bright LED luminous scale, Drop proof (on concrete, 1 m/1 time), Battery check, Live circuit check, Auto discharge |
Power Supply | LR6 (AA) alkaline batteries ×4, Continuous use: 20 hours (at 500 V range, no load) |
Dimensions, mass | 159 mm (6.26 in)W × 177 mm (6.97 in)H × 53 mm (2.09 in)D, 610 g (21.5 oz), (including battery, not including test lead) |
Supplied Accessories | TEST LEAD L9787 ×1, Instruction Manual ×1, LR6 (AA) alkaline batteries ×4, Shoulder strap ×1 |