YOKOGAWA 2038 User Manual Download Page 4

IM 2038-01

—  iii  —

目  次

本器を安全にご使用いただくために ...................................i
概 要 .............................................................................................. 1
取扱法および使用上の注意 ..................................................... 2
結線と測定..................................................................................... 3
保 守 .............................................................................................. 4
仕 様 .............................................................................................. 5

CONTENTS

SAFETY PRECAUTIONS ..................................................  i

INTRODUCTION ...............................................................  1

OPERATING INSTRUCTIONS .........................................  2

CONNECTION and MEASUREMENT .............................  3

MAINTENANCE ................................................................  4

SPECIFICATIONS ..............................................................  5

保  証

本器は,厳密な社内検査を経て出荷されておりますが,万一
製造上の不備による故障あるいは輸送中の事故等による故障
の節は,お買上げいただいた販売店または当社販売員にお申
しつけください。
当社製品の保証期間はご納入日より 1 年間です。この間に発
生した故障で,原因が明らかに当社の責任と判定された場合
には無償修理いたします。

Warranty

The 2038 instruments are shipped only after stringent in-
house inspection. Should the instrument suffer damage that 
is attributable to improper manufacture or an accident during 

transport,  contact  the  sales  representative  from  which  you 

purchased  the  product  or  your  nearest YOKOGAWA  sales 

office.

All products of YOKOGAWA are guaranteed for a period of one 

(1) year from the date of delivery.

YOKOGAWA will repair the product in question, free of charge, 

if the product fails during the guarantee period for reasons that 

are evidently attributable to YOKOGAWA.

Summary of Contents for 2038

Page 1: ...User s Manual 取扱説明書 2038 携帯用周波数計 Portable Frequency Meter IM 2038 01 2018 3 5 版 5th Edition March 2018 ...

Page 2: ...f operation service and repair of this instrument Failure to comply with these precautions or with specific WARNINGS given elsewhere in this manual violates the safety standards of the design manufacture and intended use of the instrument YOKOGAWA assumes no liability for the customer s failure to comply with these requirements This manual is part of the product and contains important information ...

Page 3: ...instruction manual to draw attention to the necessary safety precautions WARNING To avoid injury or death to personnel and damage to the instrument be sure to comply with the following Make sure that the source voltage is not alive before you attempt to connect the instrument to the circuit Once you have connected the instrument to the circuit tighten the terminals Never touch the terminals or plu...

Page 4: ...修理いたします Warranty The 2038 instruments are shipped only after stringent in house inspection Should the instrument suffer damage that is attributable to improper manufacture or an accident during transport contact the sales representative from which you purchased the product or your nearest YOKOGAWA sales office All products of YOKOGAWA are guaranteed for a period of one 1 year from the date of deli...

Page 5: ... a portable instrument that performs frequency to DC current conversion It does this by combining a differential transducer with a DC current meter in order to read frequencies directly Its indicator uses taut band suspension making it more resistant to vibration and shock and as a result far superior to conventional frequency meters Fig 1 さげ手 Handle 指針 Pointer 測定端子 Terminal 目盛板 Dial ミラー Mirror 計器...

Page 6: ...ay keep them as far away from each other as possible 4 Before wiring any of these instruments carefully check the measuring range and polarities When wiring securely fasten the terminals 5 Before measurement check that the pointer coincides exactly with the zero scale point If it does not turn the zero adjust screw provided on the meter cover until the pointer meets the zero scale point Position y...

Page 7: ... measuring instrument 2 The voltage input range of 120 V terminal is 50 to 135 V and the voltage input range of 240 V terminal is 130 to 300 V The input range is indicated on the scale plate If it is higher than 300 V connect a voltage transformer 3 When the power source is cut off the pointer deflects to the negative side of the scale This is not an abnormal phenomenon but rather an expected reac...

Page 8: ...to become doubtful check several scale points and compare these readings with an instrument which has been properly calibrated If the accuracy of the instrument is found to differ from its rating recalibrate the instrument Ideally the instrument should be calibrated once or twice every three months though this depends on how frequently the instrument is used and the conditions under which it is op...

Page 9: ...els operated on a source voltage of 50 to 135 V 240 V for models operated on a source voltage of 130 to 300 V Deflection Angle Approx 85 Scale Length Approx 135 mm Scale Division See the table on the next page Insulation Test More than 10 MΩ at 500 VDC between the circuit and case Voltage Test 2000 VAC for 5 seconds when measured between the circuit and case Operating Temperature and Humidity Rang...

Page 10: ... 65 Hz 20 100 Hz 100 300 Hz 300 500 Hz 45 55 Hz 55 65 Hz 測定範囲 Measuring Range 0 2 1 0 0 5 0 5 0 2 0 2 精度階級 Accuracy 100区分 0 2 Hz div 100区分 1 Hz div 100区分 2 Hz div 100区分 2 Hz div 100区分 0 1 Hz div 100区分 0 1 Hz div 目盛区分 Scale Division 120 V Range Approx 1 3 VA 240 V Range Approx 2 VA 120 V Range Approx 1 3 VA 240 V Range Approx 2 VA 消費電力 Power Consumption アクセサリ Accessories 計器用変圧器 0 2級 Voltage Transfo...

Page 11: ...Printed in China ...

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