3490 / HIOKI Analog MΩ HiTester

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HIOKI

3490 / HIOKI เครื่องวัดโอห์ม Analog MΩ HiTester 3-range testing voltage of 250/500 V (insulation resistance testing up to 100 MΩ)

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Full Description

Product Tags

3490 hioki analog mΩ hitester เครื่องวัดโอห์ม megohmmeter

เครื่องวัดโอห์ม 3490

Analog MΩ HiTester

Overview

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

Key Features

• 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

Specifications

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 0.05 to 50 MΩ	±2 % of scale length 0.05 to 50 MΩ	±2 % of scale length 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), (including battery, excluding test lead)
Accessories	Test lead L9787 ×1, Instruction manual ×1, Shoulder strap ×1, LR6 (AA) alkaline batteries ×4