Sanwa PC20 Handleiding

Sanwa Multimeter PC20

Lees hieronder de 📖 handleiding in het Nederlandse voor Sanwa PC20 (27 pagina's) in de categorie Multimeter. Deze handleiding was nuttig voor 42 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

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Pagina 1/27

PC20

DIGITAL MULTIMETER

デジタルマルチメータ

取扱説明書

INSTRUCTION MANUAL

−……28……−−……28……−

CONTENTS

【】1

SAFETY PRECAUTIONS:Before use, read the following safety precautions

　　1-1 Explanation of Warning Symbols ..................................... 290

　　1-2 Warning Instruction for safe use ...................................... 290

　　1-3 Maximum Overload Protection Input ............................... 300

【】2 APPLICATION AND FEATURES

　　2-1 Application ....................................................................... 310

　　2-2 Features ........................................................................... 310

【】3 NAME OF COMPONENT UNITS

　　3-1 Display ............................................................................. 310

　　3-2 Multimeter, Test leads ..................................................... 320

【】4 Description of Functions

　　4-1 Switch and description .................................................... 330

　　4-2 Connection with the personal computer ......................... 340

　　4-3 Use of the AC adapter ..................................................... 350

【】5 MEASUREMENT PROCEDURE

　　5-1 Start-up Inspection .......................................................... 360

　　5-2 Voltage Measurement ..................................................... 370

　　5-3 Resistance Measurement ( ) ......................................... 38Ω0

　　5-4 Testing Diode ( ) ........................................................... 38　 0

　　5-5 Checking Continuity ( ) .................................................. 39　0

　　 5-6 Capacity Measurement (　) ........................................... 400

　 μ ・・5-7 Current Measurement (　A mA A) ............................. 410

　　5-7-1 Current Measurement ( A mA) ............................ 41　μ ・ 0

　　5-7-2 Current Measurement (A) ......................................... 42　0

　5-8 How to use optional products ......................................... 43　0

　　　5-8-1

Measurement using the AC flexible clamp sensor (CL3000)

... 430

　･　　5-8-2 DC AC Clamp Probe (CL-22AD) ............................... 430

　　　5-8-3 DC Clamp Probe (CL33DC) ....................................... 440

　　　5-8-4 Temperature probe (T- 300PC) .................................. 440

【】6 MAINTENANCE

　　6-1 Maintenance and inspection ........................................... 450

　　6-2 Calibration ........................................................................ 450

　　6-3 How to Replace Battery and Fuse ................................... 460

　　6-4 Cleaning and Storage ...................................................... 470

【】7 SPECIFICATIONS

　　7-1 Measurement Range and Accuracy................................. 480

　　7-2 General Specifications ..................................................... 490

　　7-3 Optional accessories General Specifications ................... 500

【】8 After-Sales Service

　　8-1 Warranty and Provision .................................................... 500

　　8-2 Repair .............................................................................. 510

　　8-3 SANWA web site ............................................................. 510

−……29……−−……29……−

【】1

SAFETY PRECAUTIONS : Before use, read the following safety precautions

This instruction manual explains how to use your multimeter PC20

safely. Before use, please read this manual thoroughly. After reading it,

keep it together with the product for reference to it when necessary.

　Using the product in a manner not specified in this manual may

cause damage to the protection function of the product.

　The instruction given under the heading "　WARNING" "　CAUTION"

must be followed to prevent accidental burn or electrical shock.

1-1 Explanation of Warning Symbols

　The meaning of the symbols used in this manual and attached to

the product is as follows.

　 : Very important instruction for safe use.

　・The warning messages are intended to prevent accidents to

operating personnel such as burn and electrical shock.

　・The caution messages are intended to prevent damage to

the instrument.

　 : Dangerous voltage (Take care not to get an electric shock in

voltage measurement.)

　 : : DC 〜AC

: Resistance

　: Buzzer : Diode :〜〜 Ground

　 : Plus : Minus 〜: Fuse

　 : Double insulation

1-2 Warning Instruction for safe use

＋

　To ensure that the meter is used safely, Be sure to observe

the instruction when using the instrument.

01. Never use meter on the electric circuit that exceed 6 kVA.

02. Pay special attention when measuring the voltage of AC 33

Vrms (46.7 Vpeak) or DC 70 V or more to avoid injury. Also

use insulating protective equipment as required.

03.

Never apply an input signals exceeding the maximum rating input value.

04. Never use meter for measuring the line connected with

equipment (i.e. motors) that generates induced or surge

voltage since it may exceed the maximum allowable voltage.

05.

Never use meter if the meter or test leads are damaged or broken.

06. Never use uncased meter.

WARNING

−

……

−……30……−−……30……−

0.5 A/250 V Fuse

protection

Maximum rating

input value

07.

Be sure to use a fuse of the specified rating or type. Never use a

substitute of the fuse or never make a short circuit of the fuse.

08. Always keep your fingers behind the finger guards on the

probe when making measurements.

09. Be sure to disconnect the test pins from the circuit when

changing the function or range.

10. Never use meter with wet hands or in a damp environment.

11. Never open tester case except when replacing batteries or

fuse. Do not attempt any alteration of original specifications.

12. To ensure safety and maintain accuracy, calibrate and check

the tester at least once a year.

13. Indoor use.

Function Input Maximum overload

protection value

1-3 Maximum Overload Protection Input

＊The maximum rating input voltage in the time that connected to the personal

computer does to DC 300 V, AC 220 V (peak max. 310 V)

＊The maximum rating input voltage in the time that used the AC adapter does to

DC 300 V, AC 220 V (peak max. 310 V)

DC ／AC

　・4 10 A

DCV

ACV

DC ／AC

400 A・4000μ

DC ／AC

40 400 mA・

／　／　

●

COM

( )−

：

V, Ω, ●

, ●

μA, mA

（＋）

COM（−）

：

4・10 A

DC, AC

　10 A

＊DC 1000 V

＊AC 750 V

●

Voltage and current

input prohibited

DC,…AC

　4000μA

DC, AC

　400 mA

DC 1000 V AC 750 V,…

or peak max. 1000 V

DC 500 V AC 500 V,…

or peak max.700 V

12.5 A/250 V Fuse

protection

1. Correct maesurement may not be performed when using the

meter in the ferromagnetic / intense electric field such as

places near a transformer, a high-current circuit, and a radio.

2. The meter may malfunction or correct measurement may not

be performed when measuring special waveform such as that

of the inverter circuit.

CAUTION

−……31……−−……31……−

【】2 APPLICATION AND FEATURES

2-1 Application

　This instrument is portable multimeter designated for measurement

of weak current circuit.

2-2 Features

・4000 counts disply.

・With the capacity measurement function.

・The current function is the semi auto ranges.

・KB-USB20 interface (option)

・Main unit case and the circuit board is made of fire retarding

materials.

【】3 NAME OF COMPONENT UNITS

3-1 Display

〔〕Fig 1

Decimal point

Minus polarity display

for numeral data

Battery dischage

warning display

AC measurement display

DC mearsurement display

Relative

display

Numeral data display

Data hold displayChecking countinuity display

Measurement

unit display

Auto mode display

RS232C action

display

Testing diode

display

−……32……−−……32……−

3-2 Multimeter, Test leads

〔〕Fig 2

Stand

Test lead (TL-21a)

Test lead

Fix

Holster

Display

Data hold

switch

Select

switch

Safety cover

4･10 A input

terminal

COM input−

terminal

AC adaptor

input terminal

(With safety cap)

Range hold

switch

Power switch

and function

switch

V, Ω , , A, mA,● , ● ●μ

＋ input terminal

LED lamp

−……33……−−……33……−

【】4 Description of Functions

4-1 Switch and description

○ Power switch and function switch

Turn this switch to turn on and off the power and to select the

functions of V, Ω/● / ,● ● , μA, mA, A.

○ Range hold switch

Pressing this switch once sets the manual mode and the range is

fixed. ("AUTO" on the display disappears)

Once the manual mode is set, the range moves each time this

switch is pressed. Checking the unit on the display and the place

of the decimal point, select a desired range. To return to the auto

mode, keep pressing this switch until "AUTO" on the display

appears.

○ Data hold switch

When this switch is pressed, the data display at that time

continues ("DH" lights on the display). When the measuring input

changes, the display will not change.

When this switch is pressed again, the hold status is canceled you

can return to the measuring status. ("DH" on the display disappears.)

○Select switch

When this

switch is

pressed ( ), →

the each

modes change

as follows.

… … →… 〜… →… … →… 〜● ●

… … →… … →… … →…Ω●●Ω

(See 5-6 Capacity Measurement)

V●／〜

Ω／●／●

●

400・4000μA

●

／〜

40・400 mA

●

／〜

4・10 A ●／〜

… … →… 〜… →… … →… 〜● ●

Do not change over the function switch with a voltage applied

to the measuring terminals.

WARNING

●The PC20 does not have the auto power-off function.

When measurement is finished, be sure to return the function

switch to the OFF position.

−……34……−−……34……−

Maximum input voltage in the event that is connect with

computer is DC 300 V, AC 220 V (AC voltage is regulated by

rms value of sinusoidal wave. Peak max. 310 V)

WARNING

4-2 Connection with the personal computer

　The multimeter is capable of DMM data communication using the

RS232C / USB interface. When the multimeter on which the optional

USB optical communication unit (KB-USB20) is mounted is connected

to a PC, the multimeter will output data to the PC. It is required to

purchase the optional PC link software (PC Link7) for this operation. For

details, refer to the Help for the optional PC link software (PC Link7).

①The stand that is in the reverse side of a multimeter is opened.

②Attach the box part of cable to the multimeter.

③The opposite side of cable is connected to the computer.

④Please use and please set up the stand when use it.

Function Data transfer speed Remarks

except following functions

Apporox. 0.5 s/times

50 nF max. Apporox. 1.4 s/times

〜0500 nF Apporox. 1.7 s/times

〜005 F Apporox. 2 s/timesμ

〜050 F Apporox. 5 s/timesμ

〜100 F Apporox. 9 s/timesμ

Ω, ●Apporox. 0.7 s/times

〔〕Fig 3

Cable

box

Nut thread

①

④

　● Data transfer speed to PC through KB-USB20 cable

　　Note:

　　DMM stops Data transfer to PC while range is shifting.

Data transfer speed

is changed for

each range when

capacitance

measurement.

②

−……35……−−……35……−

4-3 Use of the AC adapter (AD-71AC-2)

〔〕Fig 4

①Pull up the safety cap from the AC adaptor input terminal of the

multimeter.

②The plug of the AC adapter into the terminal of the multimeter.

③The AC adapter into the outlet for the home (AC 100 V).

④Turning the function switch of the multimeter and turn on the

power supply.

●The incorporated battery and the AC adapter may be used together.

Note, however, when the PC20 is used with the AC adapter only,

the buzzer will not sound with such functions as the continuity

check ( ●).

●Insert the plug perpendicularly.

●Be sure to insert the plug to the position where the LED for

confirmation of AC adapter connection illuminates.

Outlet

AC adapter

1. Maximum input voltage in the event that is connect with AC

adapter is DC 300 V, AC 220 V (AC voltage is regulated by rms

value of sinusoidal wave. Peak max. 310 V)

2. Do not use the AC adapter other than designated devices.

3. Do not use the AC adapter other than AC 100 V for the home.

WARNING

①

②

③

③’

④

−……36……−−……36……−

③Set the function

switch at / /Ω　　

a nd sel ect th e

select switch at　 .

【】5 MEASUREMENT PROCEDURE

5-1 Start-up Inspection

1. Never use meter if the meter or test leads are damaged or

broken.

2. Make sure that the test leads are not cut or otherwise damaged.

WARNING

No problem.

Start measurement.

④Short the red and

black test pins.

①

Connect the test lead

of black plug to the

COM − terminal.

②

Connect the test

lead of red plug to

the ＋ terminal.

START

Main unit and

test leads

damaged?

Display shows

000.0 001.0?〜

Buzzer beeps?

Damaged

No damage

Yes

Sto p u sing it and

have it repaired.

Check continuity of

test leads.

〔〕Fig 5

①

③

②

④

−……37……−−……37……−

1) Applications

DCV : Measures batteries and DC circuits.

: Measures sine-wave AC voltage as lighting voltages. ACV

2) Measuring ranges

DCV : 400 mV 1000 V (5 ranges) 〜

: 750 V (4 ranges) ACV 4 V 〜

3) Measurement procedure (See Fig 6 or 7, page 10)

①Connect the black plug of the test lead to the COM input −

terminal and the red plug to the input terminal. ＋

②Set the function switch at "V / " function. 〜

③Select the select switch at " " (DC) or " " (AC).　〜

④Apply the black test pin to the negative potential side of the circuit

to measure and the red test pin to the positive potential side.

⑤Read the value on the display.

⑥After measurement, remove the red and black test pins from

the circuit measured.

⑦Turn the function switch to the position of OFF.

●In the AC 4 V range, a figure of about 3~9 counts will stay on even

if no input signal is present. But it is not malfunction.

●In the manual mode of the ACV function, the PC20 can be set to

the 40 0 mV range and shows an approximate value. But its

accuracy is not guaranteed.

●Since this instrument employs the means value system for its

AC voltage measurement circuit, AC waveform other than sine

wave may cause error.

5-2

Voltage Measurement Maximum rating input value 1000 VDC or 750 VAC

1. Never apply an input signals exceeding the maximum rating

input value.

2. Be sure to disconnect the test pins from the circuit when

changing the function.

3. Always keep your fingers behind the finger guards on the probe

when making measurements.

WARNING

−……38……−−……38……−

5-4 Testing Diode ( )

Never apply voltage to the input terminals.

WARNING

5-3 Resistance Measurement ( )Ω

Never apply voltage to the input terminals.

WARNING

1) Application

Resistance of resistors and circuits are measured.

2) Measuring ranges

400 40 M (6 ranges)Ω〜Ω

3) Measurement procedure (See Fig 8, page 11)

①Connect the black plug of the test lead to the COM − input

terminal and the red plug to the input terminal. ＋

②Set the function switch at " / / " function.Ω　　

③Select the select switch at " " (M ). Ω Ω

④Apply the black and red test pin to measured circuit.

⑤Read the value on the display.

⑥After measurement, remove the red and black test pins from the

circuit measured.

⑦Turn the function switch to the position of OFF.

●If measurement is likely to be influenced by noise, shield the object

to measure with negative potential (test lead black).

●If a test pin is touched by a finger during measurement,

measurement will be influenced by the resistance in the human

body to result in measurement error.

●The input terminals release voltage is about 0.4 V.

●The reading may vary because of external inductance when

measuring high resistance value.

1) Application

The quality of diodes is tested.

2) Measurement procedure (See Fig 9, page 12)

①Connect the black plug of the test lead to the COM input −

terminal and the red plug to the input terminal. ＋

②Set the function switch at "Ω/ / 　　" function.

−……40……−−……40……−

●When a resistance value is in a range of 10 , noise will 〜120 Ω

be mixed in the buzzer sound. But it is not malfunction.

5-6 Capacity Measurement ( )

1. Never apply voltage to the input terminals.

2. Be sure to discharge the capacitor prior to measurement.

WARNING

1) Application

Measures capacitance of capacity.

2) Measuring ranges

50 nF* F (5 ranges) 1000 nF 1 F〜100 μ 　　　＊＝ μ

3) Measurement procedure (See Fig 11, page 14)

①Connect the black plug of the test lead to the COM − input

terminal and the red test lead to the input terminal. ＋

②Set the function switch at " " function.　

③Press the SELECT switch to make the display show 00.00 nF.

(The "REL" mark illuminates in the upper right area of the display.)

[CAUTION] If the SELECT switch is pressed immediately after the

function switch has been set at " ", the display may be locked, making

measurement impossible. Should this be the case, set the function

switch to a different range once, then back to " " and wait for more

than 2 seconds before pressing the SELECT switch again.

④Apply the red and black test pins to capacitor.

⑤Read the value on the display.

⑥After measurement, release the red and black test pins from the

object measured.

⑦Turn the function switch to the position of OFF.

● 　 The " " function can be set to the auto range, but not to the

manual range.

●In 5 nF and 50 nF ranges, large value is left, especially when

disconnecting measuring terminals. This is not malfuction.

●For measurement of 100 nF (0.1 F) or below, the display will μ

not stabilize due to the influence of ambient noise and floating

capacity. It is therefore recommended that an object to measure

(capacitor) be directly connected between the ( ＋ −) and ( )

measuring terminals of the PC20.

●As the capacitance increases, the measuring time becomes longer.

Example: 2 to 4 seconds at 10 μF　　　5 to 8 seconds at 50μF

Example: 13 to 16 seconds at 100μF

−……42……−−……42……−

⑤Read the value on the display.

⑥After measurement, remove the red and black test pins from

the circuit measured.

⑦Turn the function switch to the position of OFF.

●If the display will not change when an input signal is applied

(measurement is not possible), a probable cause is a blown fuse.

●Since this instrument employs the means value system for its

AC voltage measurement circuit, AC waveform other than sine

wave may cause error.

5-7-2

Current Measurement (A) Maximum rating input value DC/AC 10 A

1. Never apply voltage to the input terminals.

2. Finish measurement within 45 seconds to prevent heat

generation.

3. Provide intervals 2 minutes or longer between measurements

to prevent heat generation. (Continuous measurement:max 5 A)

4. Perform measurement with the leads kept straight to prevent

overheat.

WARNING

1) Applications

Current in DC and AC circuit is measured.

2) Measuring ranges

DCA: 4 10 A (2 ranges), ACA: 4 10 A (2 ranges)･･

3) Measurement procedure (See Fig 14, page 17)

①Slide the safety cover of the PC20 to the left and insert the red

plug of the test leads to the 4 10 A measuring terminal and the ･

black plug to the COM ( ) terminal. −

②Set the function switch at "4 / " function.･10 A　〜

③Select the select switch at " " (DC) or " " (AC). 　〜

④Apply the black test pin to the negative potential side of the

circuit to measure and the red test pin to the positive potential

side.

⑤Read the value on the display.

⑥After measurement, remove the red and black test pins from

the circuit measured.

⑦Turn the function switch to the position of OFF.

−……43……−−……43……−

●If the display will not change when an input signal is applied

(measurement is not possible), a probable cause is a blown fuse.

●Since this instrument employs the means value system for its

AC voltage measurement circuit, AC waveform other than sine

wave may cause error.

5-8 How to use optional products

Never apply an input signals exceeding the maximum rating

input value of optional products.

WARNING

5-8-1 Measurement using the AC flexible clamp sensor (CL3000)

Maximum measurable current: AC 3000 A

1) Measurement target

　AC sine wave of 50-60 Hz, such as the current consumption of

a home appliance or power supply equipment.

2) Measurement ranges

　Three ranges of AC 30 A, AC 300 A and AC 3000 A.

3) Measurement procedure

①Connect the red plug of the current probe to the + measurement

terminal and the black plug to the COM (−) terminal.

②Set the function switch of this instrument (PC20) to “ACV”.

③Set the range hold button to the 6 V range.

④

et the range setting knob of the current probe to the 30 A, 300 A or

3000 A range.

⑤Clamp the measurement target conductor with the current probe.

⑥If the range of the current probe is 30 A, read the displayed value

by mult iply i ng i t by 10 .

Similarly, multiply it by 100

with the 300 A range and

multiply by 1000 with the

3000 A. The uni t of the

obtained value is A (ampere).

⑦After the measurement,

disconnect the current probe

from t he measur e m ent

target conductor.

⑧Set the power switches of

this instrument (PC20) and

probe (CL3000) to OFF.

ACV

OFFOFF

⑥

②

⑧

⑤

③

①

④

〔〕Fig 7

Product specificaties

Merk:	Sanwa
Categorie:	Multimeter
Model:	PC20

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