Hioki 3272 Instruction Manual
Instruction Manual
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Melrose, MA 02176
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3272
POWER SUPPLY
December 2014 Revised edition 12 3272A981-12 14-12H
Contents
Introduction i
Inspection
Notes on Safety
Precautions
i
ii
vi
Chapter 1 Overview
1.1 Product Overview 1
1.2 Names of Parts
Chapter 2 Specifications 5
2.1 Product Specifications 5
2.2 Standards Applying
Chapter 3 Measurement Procedure 7
3.1 Preparations 8
3.2 Measurement Procedure
Chapter 4 Description of Parts 13
4.1 Power Supply Receptacle 13
4.2 How to Change the Power Supply Fuse
and Change the Power Supply Voltage
3272A981-12
1
2
6
9
13
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Introduction
Thank you for purchasing the HIOKI "Model 3272
POWER SUPPLY."
To obtain maximum performance from the product,
please read this manual first, and keep it handy for
future reference.
Inspection
When you receive the product, inspect it carefully to
ensure that no da mage occurred during shipping. If
damage is evident, or if it fails to operate according
to the specifications, contact your dealer or Hioki
representative.
Supplied accessories
Power cord 1
Instruction manual 1
Spare fuse 1
100 V, 120 V: F1.0 AL/250 V, 20 mm x 5 mm dia.
220 V, 240 V: F0.5 AL/250 V, 20 mm x 5 mm dia.
i
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Introduction
ii
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Notes on Safety
WARNING
This product is designed to comply with IEC
61010 Safety Standards, and has been thoroughly
tested for safety prior to shipment. However,
mishandling during use could result in injury or
death, as well as damage to the product. Using
the product in a way not described in this manual
may negate the provided safety features.
Be certain that you understand the instructions
and precautions in the manual before use. W e
disclaim any responsibility for accidents or
injuries not resulting directly from product
defects.
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Notes on Safety
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iii
Safety Symbols
This manual contains information and warnings
essential for safe operation of the product and for
maintaining it in safe operating condition. Before
using it, be sure to carefully read the following
safety precautions.
The symbol printed on the product
indicates that the user should refer to a
corresponding topic in the manual
(marked with the
symbol) before
using the relevant function.
In the manual, the symbol indicates
particularly important information that
the user should read before using the
product.
Indicates a grounding terminal.
Indicates a fuse.
Indicates AC (Alternating Current).
Indicates the ON side of the power
switch.
Indicates the OFF side of the power
switch.
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Notes on Safety
iv
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The following symbols are used in this Instruction
Manual to indicate the relative importance of
cautions and warnings.
Indicates that incorrect operation
DANGER
presents an extreme hazard that could
result in serious injury or death to the
user.
Indicates that incorrect operation
WARNING
presents a significant hazard that could
result in serious injury or death to the
user.
Indicates that incorrect operation
CAUTION
presents a possibility of injury to the
user or damage to the product.
Indicates advisory items related to
NOTE
performance or correct operation of the
product.
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Notes on Safety
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Measurement categories
To ensure safe operation of measurement products,
IEC 61010 establishes safety standards for various
electrical environments, categorized as CAT II to
CAT IV, and called measurement categories.
CAT II : Primary electrical circuits in equipment
connected to an AC electrical outlet by a
power cord (portable tools, household
appliances, etc.) CAT II covers directly
measuring electrical outlet receptacles.
CAT III : Primary electrical circuits of heavy
equipment (fixed installations) connected
directly to the distribution panel, and
feeders from the distribution panel to
outlets.
CAT IV : The circuit from the service drop to the
service entrance, and to the power meter
and primary overcurrent protection device
(distribution panel).
Using a measurement product in an environment
designated with a higher-numbered category than
that for which the product is rated could result in a
severe accident, and must be carefully avoided.
Use of a measurement instrument that is not CATrated in CAT II to CAT IV measurement
applications could result in a severe accident, and
must be carefully avoided.
v
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Notes on Safety
vi
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Precautions
Follow these precautions to ensure safe operation
and to obtain the full benefits of the various
functions.
Preliminary Check
Before using the product for the first time, verify
that it operates normally to ensure that no damage
occurred during storage or shipping. If you find any
damage, contact your dealer or Hioki representative.
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Precautions
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vii
DANGER
To avoid accidents, when using other
measurementdevices with this one, observe the
usage precautions described for each device.
When using a measurement instrument that
does not provide isolation between its input
terminals and chassis or other input terminals,
please pay attention to the following points.
If a signal is applied to an input terminal other
than that to which the current probe is
connected, do not connect the ground-side
terminal to any non-ground potential.
Otherwise, short-circuit current will flow
through the current probe or this device from
the ground terminal, which could cause an
electrical accident or damage.
Current Probe
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Precautions
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