Iwatsu SS-540 Manual de usuario

Current Probe

SS-540/SS-550

Instruction Manual

Contents

Introduction ··················································································· 1

Safety Precautions ······································································· 1

Note ································································································ 11

Checking packed materials ························································· 11

Components ·················································································· 11

Management of instrument ························································· 12

Repair and sending instrument to be repaired ························ 12

Cleaning of instrument ································································ 12

Chapter 1 Overview ······································································ 13

1.1 Summary ··········································································· 13

1.2 Features ············································································ 13

1.3 Part Names ······································································· 14

1.4 Part Functions ··································································· 14

1.5 Specifications ···································································· 16

1.5.1 Instrument specifications ········································· 16

1.5.2 Certification standards ············································· 21

1.5.3 Recommended Power Supply and Oscilloscopes ·· 21

Chapter 2 Operation ····································································· 22

2.1 Preparations for Measurement ········································· 22

2.2 Demagnetizing and Zero Adjustment ······························· 23

2.3 Measuring methods ·························································· 26

Contents

Chapter 3 Daily check and calibration······································· 32

3.1 Maintenance ······································································ 32

3.2 Periodic Calibration ··························································· 32

3.3 Inspection ·········································································· 33

Introduction

•Thank you for purchasing this instrument of IWATSU

ELECTRIC CO., LTD. We hope that you will enjoy it for

years to come.

•Please read this manual carefully before attempting to use

the instrument. Store the manual in a safe place so it can be

referred to when necessary.

Safety Precautions

Throughout this manual, the symbol

(Warning) and

(Caution) are used to indicate points that must be observed to

ensure safety and prevent injury and property damage. Be

sure to read these points carefully and observe all precautions.

Symbols indicating the need for caution also appear on the

instrument itself.

Symbols in this manual ( Warning Caution and Note)

Warning

Indicates that failure to observe this precaution may lead to

death or serious injury.

Caution

Indicates that improper use may lead to injury or damage to

the instrument.

Note Provides instruction or advice regarding unit functions or

operation.

Symbols on the instrument

Warning

Indicates the need to refer to the instruction manual before

use in order to prevent injury and e uipment damage.

Indicates that the instrument can be operated with direct

current (DC) or alternating current (AC).

Indicates that the instrument can not be set and detached in

the active circuit.

Precautions

•Due to our continuing efforts to improve performance and

functions, the information in this manual is subject to change

without notice.

•Unauthorized reproduction of the contents of this manual is

strictly prohibited.

•If you have any questions about this instrument, contact

Iwatsu office or our sales distributors.

Revision History

•April 2021: 1st edition

KMLA00291

Read this page to ensure proper safety. (to be continued)

Warnings

•Do not use this instrument in an environment with

explosive gases.

This may result in explosion.

•If you notice smoke, foul odor or abnormal noise,

immediately turn off the power supply of all equipment

with which this instrument is connected, and then

detach this instrument from the insulating target

conductor to be measured.

Continued use under these circumstances may result in electric

shock or fire. Contact Iwatsu office or our sales distributors for

repair. Do not attempt to repair this instrument yourself.

•Turn off the power to the insulating target conductor to

be measured before attaching or detaching sensor head

part of this instrument to or from the insulating target

conductor to be measured.

Failure to do so is very dangerous for targets to be measured that

use high current.

•Do not use this instrument to measure exposed

conducting lines.

This may result in electric shock, short-circuiting or equipment

damage. (The clamp core and shield casing are not insulated.)

•Use caution not to wet this instrument or allow entry of

water or foreign objects into.

Continued use under these circumstances may result in an

electric shock, fire, or failure. If water, foreign objects, or other

substances enter this instrument or the instrument is wet with

water, immediately turn off the power supply of all equipment with

which this instrument is connected, and then detach this

instrument from the insulating target conductor to be measured.

After that, contact Iwatsu office or our sales distributors for repair.

Read this page to ensure proper safety. (to be continued)

Warnings

•Do not handle this instrument if your hands are wet.

This may result in electric shock, fire or equipment damage.

•Do not touch the plug of the power cord if your hands

are wet.

This may result in electric shock.

•Be careful not to damage the insulating sheath of the

insulating target conductor to be measured.

•Make sure the oscilloscope connected to the BNC

output connector on the current probe is used with the

protective earth.

See "1.5.3 Recommended Power Supply and Oscilloscope" on

page 21 for our company instruments that fit this description.

•Do not use this instrument if the unit case is damaged.

This may result in electric shock. If the unit case is damaged,

contact Iwatsu office or our sales distributors for repair.

•Connect only the recommended power unit to this

instrument.

Use of power units not suited may result in fire or equipment

damage. See 1.5.3 "Recommended Power Supply and

Oscilloscopes" on page 21.

•Confirm that any dust does not adhere to the power plug

before inserting surely it into the power supply

receptacle.

Dust may result in electric shock, fire, or malfunction.

•Do not place this instrument in an area there frequent

vibrations or impacts occur.

If this instrument is dropped or overturned, it may cause a

physical injury or a malfunction.

Read this page to ensure proper safety. (to be continued)

Warnings

•When handling power cords and sensor cables:

This may result in fire, electric shock, or equipment damage. If the

power cord is damaged, contact Iwatsu office or our sales

distributors for repair.

⋅Do not attempt to fabricate power cord and sensor cable.

⋅Do not pull power cord and sensor cable by the cable. Always

grasp the plug.

⋅Do not bend power cord and sensor cable.

⋅Do not heat power cord and sensor cable.

⋅Do not twist power cord and sensor cable.

⋅Avoid getting power cord and sensor cable wet.

⋅Do not bind power cord and sensor cable together.

⋅Do not place heavy objects on top of power cord and sensor

cable.

•Do not use this instrument in a highly humid

environment where condensation may occur.

If using, an electric shock or fire, or failure may occur.

•Do not put on this instrument a container that water,

medicine, etc. has entered or a small metallic object.

If not, an electric shock or fire may occur. If this instrument is wet

with water, or metal and other objects enter the instrument,

immediately turn off the power supply of all equipment with which

this instrument is connected, and then detach this instrument from

the insulating target conductor to be measured. After that, contact

Iwatsu office or our sales distributors for repair.

•When thunder begins, pull out the power plug of a

device or the AC adaptor to which this instrument is

connected from the outlet. Then, detach this instrument

from the target to be measured, and do not use it.

Lightning may be a cause of an electric shock, fire, or failure.

Read this page to ensure proper safety. (to be continued)

Warnings

•Do not use this instrument when it has failed.

Using a failed main unit or, cable or AC adaptor may be a cause

of an electric shock or fire. In the event of a failure, contact Iwatsu

office or our sales distributors for repair.

•Do not attempt to modify or disassemble the unit.

This may result in electric shock, fire or equipment damage.

Requests to repair the unit may be refused if unauthorized

modifications have been made.

•This instrument SS-540 and SS-550 might not be able to

be used at the same time because there are restrictions

on power consumption in the probe power on the

oscilloscope side according to the measured current.

Refer to page21 and page27 for details.

•The BNC ground of this instrument is connected to an

electric ground through the power supply such as PS-52

or PS-54 to prevent danger. Use the equipment only for

the floating measurement when executing the floating

measurement.

When the ground terminal of the instrument is connected to a

ground besides the earth potential, this instrument, the equipment

and the circuit to be measured must be damaged because the

equipment that connects this instrument is connected to a ground.

Moreover, there must be danger of getting an electric shock.

Wrong example

Oscilloscope etc.

Power supply

This instrument

(Current probe)

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