카다로그 & 매뉴얼
3490 ANALOG MΩ HiTESTER
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제품소개
Hioki insulation 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. CAT III 600 V
주요특징 및 기능
• 3-range testing voltage of 250/500 V (insulation resistance testing up to 100 MΩ), and 1000 V
(insulation 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
제품사양
| 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 | ±2 % of scale length | ±2 % of scale length | ±2 % of scale length |
| 0.05 to 50 MΩ | 0.05 to 50 MΩ | 2 to 1000 MΩ | |
| Lower limit resistance | 0.25 MΩ | 0.5 MΩ | 1 MΩ |
| (Measurement resistance value to maintain testing voltage) | |||
| Overload protection | 660 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) | ||
상품필수 정보
- 품명 및 모델명
- 상품상세 참조
- 제조국 또는 원산지
- 상품상세 참조
- 제조자, 수입품의 경우 수입자를 함께 표기
- 상품상세 참조
- A/S 책임자와 전화번호 또는 소비자상담 관련 전화번호
- 상품상세 참조
- 법에 의한 인증·허가 등을 받았음을 확인할 수 있는 경우 그에 대한 사항
- 상품상세 참조
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