Hioki 3280-1 OF User manual

3280-20F
AC CLAMP METER
3280-10F
Instruction Manual
May 2016 Edition 1
3280H981-00 (H980-00) 16-05H
5 Commonwealth Ave
Woburn, MA 01801
Phone [phone]
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com

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CT6280
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3280H981-00

Measure-2
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EN-i
Contents
Introduction..............................................1
Safety Notes.............................................1
Inspection Before Measurement............8
Maintenance/Inspection..........................9
Insert/Replace Batteries..........................9
Functions ...............................................10
Parts Names...........................................11
Specifications........................................13
General Specifications ..........................13
Basic Specifications ..............................15
Function Specifications .........................17
Accuracy Specifications ........................17
3280H981-00

EN-ii
Contents

EN-1
Introduction
Introduction
Thank you for purchasing the Hioki 3280-10F,
3280-20F AC Clamp Meter. To obtain maximum
performance from the instrument, please read this
manual first, and keep it handy for future reference.
3280-10F Average value measurement RMS conversion
model
3280-20F True RMS measurement model
Safety Notes
This instrument is designed to conform to IEC 61010
Safety Standards, and has been thoroughly tested
for safety prior to shipment. However, using the
instrument in a way not described in this manual
may negate the provided safety features. Before
using the instrument, be certain to carefully read the
following safety notes.
Notation
In this document, the risk seriousness and the
hazard levels are classified as follows.
DANGER Imminent risk of operator death
or serious injury
WARNING Potential for operator death or
serious injury
CAUTION Potential for minor operator
injury or device damage or
malfunction

EN-2
Safety Notes
Risk of electric shock
Prohibited actions
Actions that must be performed
Symbols affixed to the device
Precaution or hazard (See corresponding
topic.)
Risk of electric shock
Protected throughout by double insulation
or reinforced insulation
Device may be connected to or
disconnected from a live conductor
Flexible sensors can be connected to or
disconnected from live conductors when
using appropriate protective insulation.
Other sensors can only be connected to
or disconnected from insulated conductors
suited to the voltage of the conductor under
measurement.
Grounding terminal
DC (direct current)
AC (alternating current)