HIOKI-3490 Analog Insulation Resistance Tester with Continuity Check

Rated output voltage
250 V DC
500 V DC
1000 V DC


Effective maximum indicated value
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 and 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, excluding test lead)


Accessories
Test lead L9787 ×1, Instruction manual ×1, Shoulder strap ×1, LR6 (AA) alkaline batteries ×4