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２．Features
MODEL3321A/ 3322A/ 3323A are three-range insulation resistance
testers for testing low-voltage installation below 600V.
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Designed to following safety standards:
IEC 61010-1, IEC 61010-031, IEC 61557
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Small and light weight.
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Auto-discharge function
When insulation resistance like a capacitive load is measured,
electric charges stored in capacitive circuits are automatically
discharged after measuring. Discharge can be checked with the
meter.
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Color-coded scales for easy and correct reading
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Power-on indicator on insulation resistance and battery check
ranges.
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Backlight function to facilitate working at dimly illuminated
location or at nighttime work.
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AC voltage measurement function
Measures AC voltage on all ranges without pressing the Test
button
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Test leads with remote control switch
(voltage won't be outputted when the test lead is not connected.)
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Robust housing case
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Neck strap for both hand's operation
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User-changeable test prod
Summary of Contents for 3321A
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