Hioki 3490 Analog M-ohm Hitester

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