Sanwa SP21 Manuale utente

DRAWING No SP21 18-1805 2040 2040

取扱説明書

INSTRUCTION MANUAL

SP21

マルチテスタ

MULTITESTER

DRAWING No SP21 18-1805 2040 2040

目　　次

【1】安全に関する項目〜ご使用前に必ずお読みください〜 

 

 

 

【2】用途と特長 





【3】各部の名称 

【4】指示の読み取り方 

【5】機能説明 





【6】測定方法 













 〜

 





 







【7】保守管理について 









【8】アフターサービスについて 







【9】仕　様 









DRAWING No SP21 18-1805 2040 2040

CONTENTS

【1】

SAFETY PRECAUTIONS:Before use,read the following safety precautions

　…… 2

　1-1　Explanation of Warning Symbols …………………………… 2

　1-2　Warning Instruction for safe use …………………………… 2

　1-3　Maximum Overload Protection Input ……………………… 4

【2】APPLICATION AND FEATURES ……………………………… 5

　2-1　Application …………………………………………………… 5

　2-2　Features ……………………………………………………… 5

【3】NAME OF COMPONENT UNITS……………………………… 6

【4】SCALE READING ……………………………………………… 7

【5】DESCRIPUTION OF FUNCTIONS …………………………… 9

　5-1　Knob and Adjuster …………………………………………… 9

　5-2　How to Use the Stand ……………………………………… 9

【6】MEASUREMENT PROCEDURE ……………………………… 11

　6-1 Start-up Inspection …………………………………………… 11

　6-2 How to Setup Range（Selection of a appropriate range）

… 13

　6-3 Preparation for Measurement ……………………………… 13

　6-4 Voltage Measurement ……………………………………… 15

　　6-4-1　DCV Measurement（　）

……………………………… 15

　　6-4-2　±DCV Measurement（±DCV　）

…………………… 17

　　6-4-3　ACV Measurement（〜）

……………………………… 19

　6-5　DCA Measurement（　）

……………………………………21

　6-6　Resistance Measurement（Ω）

……………………………23

　6-7　Battery check …………………………………………………25

　6-8　Checking Continuity（　）

……………………………………27

　6-9　Measuring Capacity（μF）

…………………………………29

　6-10 DC High Voltage measurement（Optional HV Probe）

……31

　6-11 End of Measurement …………………………………………34

【7】MAINTENANCE …………………………………………………34

　7-1　Maintenance and Inspection…………………………………34

　7-2　Calibration………………………………………………………34

　7-3　How to Replace Battery and Fuse …………………………35

　7-4　Storage …………………………………………………………38

【8】AFTER-SALE SERVICE …………………………………………38

　8-1　Repair …………………………………………………………38

　8-2　For Information or Enquiries …………………………………40

8-3　Sanwa Web Site ………………………………………………40

【9】SPECIFICATIONS ………………………………………………42

　9-1　General Specification

…………………………………………42

　9-2　Optional Accessories …………………………………………42

　9-3　Measurement Range and Accuracy…………………………44



DRAWING No SP21 18-1805 2040 2040

【1】

安全に関する項目〜ご使用の前に必ずお読みください〜

  





















1　警告マークなどの記号説明













 

〜 

 

 





 



2　安全使用のための警告文



























警　告



DRAWING No SP21 18-1805 2040 2040

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

the instruction when using the instrument.

Protection circuit may be undermined by unjustifiable usage that

does not the guidelines in the instruction manual.

1Never use meter on the electric circuit that exceed 6 kVA.

2Pay special attention when measuring the voltage of AC 33

Vrms46.7 Vpeakor DC 70 V or more to avoid injury.

3Never apply an input signals exceeding the maximum rating

input value.

4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.

1

SAFETY PRECAUTIONS:Before use,read the following safety precautions

　This instruction manual explains how to use your multimeter

SP21 safely. Before use,please read this manual thoroughly. After

reading it,keep it together with the product for reference to it when

necessary.

　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.

　DC Voltage Glaund

AC Voltage Plus input

Resistance Minus input

Continuity Fuse

Fuse & Diode protection Double insulation

Drop proof

1-2　Warning Instruction for safe use

WARNING



DRAWING No SP21 18-1805 2040 2040

 











 















3　最大過負荷保護入力値







  

















































1. 5



DRAWING No SP21 18-1805 2040 2040

5Never use meter if the meter or test leads are damaged or

broken.

6Never use uncased meter.

7Be sure to use a fuse of the spesified rating or type. Never

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

the fuse.

8Always keep your fingers behing the finger guards on the

probe when making measurements.

9Be sure to disconnect the test pins from the circuit when

changing the function or range.

10Be sure to disconnect the test pins from the circuit when

changing the function or range.

11Never use meter with wet hands or in a damp environment.

12Do not use the device near an item of strong electromagnetic

generation or a charged item.

13Never open tester case except when replacing batteries or

fuse. Do not attempt any alteration of original specifications.

14To ensure safety and maintain accuracy,calibrate and check

the tester at least once a year.

15Indoor use.

1-3　Maximum Overload Protection Input

Function

Range

DCV 30600

ACV 30600

DCV 0.312

ACV 12

DCA 30 m/0.3

DCA 60





Full scale

value at

the ranges

Voltage and current

input prohibited

DC 1000 VAC 750 V

or PEAK MAX 1100 V

DCAC 200 V



or PEAK MAX 250 V

DCAC 0.5 A

DCAC 1 mA

DCAC 200 V



or PEAK MAX 250 V

Note AC voltage is regulated by rms value of sinusoidal wave.

 is within 5 second.

1. 5

Input Maximu rating

input value

Maximum overload

protection input

DC 2 V



DRAWING No SP21 18-1805 2040 2040

【2】用途と特長

1　用　途









2　特　長













【2】APPLICATION AND FEATURES

2-1　Application

　This instrument is portable multimeter designated for

measuremaent of week current circuit.

2-2　Features

・Band meter of drop shock type with high sensitivity has been

employed.

・A stand has adhered.

・It can be measurement in a zero center meter.

・A continuity buzzer has adhered.

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

materials.

・Circuit protection is double protection according to fuse and

diode.



DRAWING No SP21 18-1805 2040 2040

【3】各部の名称

　　 NAME OF COMPONENT UNITS



Scale



Pointer



Zero position adjuster



Range selector knob



Meter cover



Panel





0 

adjuster knob



input terminal



input terminal

テストリード（TL-21a）

Test lead



est pins



Finger

guards



Plugs



Test probe (red)



Test probe (black)





movable

test pin co

vers



When not covered

・着脱式テストピンキャップ装着時：CAT.III600V

・着脱式テストピンキャップ未装着時：CAT.II1000V

・When the removable test pin covers are mounted : CAT.III 600 V

・When the removable test pin covers are not mounted: CAT.II 1000 V



DRAWING No SP21 18-1805 2040 2040

【4】指示の読み取り方

　　 SCALE READING

①

②

③

④

⑤

⑥

⑦

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