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IM 2793-01E

― ii ―

Cautionary Notes for Safe Use of the Product

When operating the instrument, be sure to observe the cautionary notes given below to ensure correct and  

safe use of the instrument. If you use the instrument in any way other than as instructed in this manual,  

the instrument’s protective measures may be impaired.

This manual is an essential part of the product; keep it a safe place for future reference.

YOKOGAWA is by no means liable for any damage resulting from use of the instrument in  

contradiction to these cautionary notes.

■ The following safety symbols are used on the instrument and in the manual:

Danger! Handle with Care.

This symbol indicates that the operator must refer to an explanation in  

the User’s Manual or Service Manual in order to avoid risk of injury or 

 

loss of life of personnel or damage to the instrument.

WARNING

 

Indicates a hazard that may result in the loss of life or serious injury of the user unless 

 

the described instruction is abided by.

CAUTION

 

Indicates a hazard that may result in an injury to the user and/or physical damage to 

 

the product or other equipment unless the described instruction is abided by.

Summary of Contents for 279301

Page 1: ...2793 279301 279303 Decade Resistance Box User s Manual IM 2793 01E IM 2793 01E 8th Edition Oct 2017 YMI...

Page 2: ...ntact information of Yokogawa offices worldwide is provided on the following sheet PIM 113 01Z2 Inquiries List of worldwide contacts Notes The information contained in this manual is subject to change...

Page 3: ...use of the instrument in contradiction to these cautionary notes The following safety symbols are used on the instrument and in the manual Danger Handle with Care This symbol indicates that the opera...

Page 4: ...ectrified to high voltages and extremely hot depending on the instrument s condition of use Do not touch these parts Grounding To avoid electric shock be sure to apply protective grounding to the grou...

Page 5: ...se of the Product ii 1 GENERAL 1 2 NAMES AND FUNCTIONS OF COMPONENTS 1 3 SPECIFICATIONS 2 4 CIRCUIT DIAGRAM 3 Disposing the Product 4 8th Edition October 2017 All Rights Reserved Copyright 1991 Yokoga...

Page 6: ...01 It is best suited for calibration of resistance thermometers The 279303 has resistance range of 0 to 111 1110 M in 100 steps and accuracy of 0 05 It is best suited for calibration of insulation re...

Page 7: ...g T C of wiring and switches resistance 60 C 100 step 10 step 1 step 0 1 step 50 mA 150 mA 500 mA 1 5 A Resistance Range Dial Composition Accuracy 0 to 111 1110 M 100 10 1 k 10 10 k 10 100 k 10 1 M 10...

Page 8: ...am 279301 S6 S5 S4 S3 S2 S1 R104 1000 R105 1000 R103 200 R102 200 R101 100 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 100 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 1 k R401 R402 R403 R4...

Page 9: ...ement This marking indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive this...

Page 10: ...Printed in Japan...

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