KYORITSU 3161A - Manual (Page 6)

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２．Features
MODEL3161A is a two-range insulation resistance tester for
testing various elevators and safety equipments.
¡ Designed to following safety standards:
IEC 61010-1, IEC 61010-031, IEC 61557 (500V/ 100MΩ only)
¡ Small and light weight.
¡ 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.
¡ Color-coded scales for easy and correct reading
¡ Power-on indicator on insulation resistance and battery check
ranges.
¡ Backlight function to facilitate working at dimly illuminated
location or at nighttime work.
¡ AC voltage measurement function
¡ Measures AC voltage on all ranges without pressing the Test
button
¡ Test leads with remote control switch
(voltage won't be outputted when the test lead is not connected.)
¡ Robust housing case
¡ Neck strap for both hand's operation
¡ User-changeable test prod