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میگرآنالوگ "تستر عایق آنالوگ" 3490
 قابلیت اندازه گیری میگر در سه رنج 250 / 500 /1000 ولت
 
 

ANALOG MΩ HiTESTER 3490

analog insulation tester
CE

CAT III 600V
 
 
 Insulation Testing in 3 Easy Steps, Flip the Cover, Select Range & Test
 
  • 3-range testing voltage 250/500 V (Insulation meter up to 100 MΩ), and 1000 V (Insulation meter up to 4000 MΩ)
  • Continuity check, 3 Ω range via 200 mA testing
  • Bright LED luminous scale
  • Check for live circuits and for the battery status
میگر آنالوگ هیوکی 3490
Testing voltage250 V DC500 V DC1000 V DC
Rated resistance100 MΩ100 MΩ4000 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 resistance0.25 MΩ0.5 MΩ1 MΩ
(measurement resistance value to maintain testing voltage)
Overload protection1200 V AC (10 sec.)
 
Low resistance3 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 measurement0 to 600 V (50/60 Hz), ±5 % of maximum scale value accuracy, 
100 kΩ or more input resistance
Other functionsBright LED luminous scale, Drop proof (on concrete, 1 m/1 time), Battery check, Live circuit check, Auto discharge
Power supplyLR6 (AA) alkaline batteries ×4, Continuous use: 20 hours (at 500 V range, no load)
Dimensions, mass159 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 accessoriesTEST LEAD L9787 ×1, Instruction Manual ×1, LR6 (AA) alkaline batteries ×4, Shoulder strap ×1
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