3490 - Insulation Tester

Product information 3490 - Insulation Tester

The 3490 Analog Insulation Tester offers reliable and precise insulation resistance measurements in three selectable ranges (250 V, 500 V, 1000 V). Its durable design, including a bright LED display and drop-proof construction, makes it ideal for industrial use. With CAT III 600 V safety ratings, the 3490 ensures safe operation during testing, while its compact form allows for easy handling in various environments. This tester is an essential tool for electrical inspections, providing insulation resistance measurements up to 4000 MΩ.

Technical Specifications:
  • Testing Voltage (DC): 250 V, 500 V, 1000 V
  • Effective Maximum Indicated Value: 100 MΩ (250 V), 4000 MΩ (1000 V)
  • Measurement Range: 0.05 MΩ to 50 MΩ (250 V), 2 MΩ to 1000 MΩ (1000 V)
  • Accuracy: ±2% of scale length (1st effective measuring range)
  • AC Voltage Measurement: 0 to 600 V
  • Operating Temperature: 0°C to 40°C, 90% RH or less (non-condensing)
  • Dustproof and Waterproof Rating: IP40 (excluding measuring terminals)
  • Safety Category: CAT III 600 V
  • Power Supply: 4 × LR6 alkaline batteries (20 hours continuous use)
  • Dimensions: 162 mm (W) × 167 mm (H) × 52 mm (D) Weight: 840 g

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