Minggu, 17 April 2016

HIOKI 3490 Analog MΩ HiTester


HIOKI ANALOG MΩ HiTESTER 3490
3-Range, 250 to 1000V Analog Insulation Resistance Tester with Continuity Check
Hioki insulation resistance testers or megohmmeters feature all-in-one designs including built-in rugged cases and test lead storage compartments. The 3490 is a 3-range, 250/500/1000V analog insulation resistance meter with efficient functions and features to help shorten work time associated with field insulation testing.

Overview
  • 3-range testing voltage of 250/500 V (insulation resistance testing up to 100 MΩ), and 1000 V (insulation resistance testing up to 4000 MΩ)
  • Continuity check at 3 Ω range via 200 mA testing
  • Bright LED luminous scale
  • Check for live circuits and battery status

Specification
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

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