Guildline 934 4T Series Operation Manual Download Page 1

 

 

 

Operation Manual 

 

For The 

 

Model 934X–4T 

 

Precision Four Terminal 

Decade Resistance Boxes

 

 
 
 

 

 

NOTICE 

 

The  contents  and  information  contained  in  this  manual  are  proprietary  to 
Guildline  Instruments.    They  are  to  be  used  only  as  a  guide  to  the  operation 
and maintenance of the equipment with which this manual was issued and may 
not  be  duplicated  or  transmitted  by  any  means,  either  in  whole  or  in  part, 
without the written permission of Guildline Instruments. 

 

OM934X-4T-D-00 

2 February 2017 

 

Summary of Contents for 934 4T Series

Page 1: ...his manual are proprietary to Guildline Instruments They are to be used only as a guide to the operation and maintenance of the equipment with which this manual was issued and may not be duplicated or transmitted by any means either in whole or in part without the written permission of Guildline Instruments OM934X 4T D 00 2 February 2017 ...

Page 2: ... damage when received Nevertheless you should perform an inspection for physical damage ensure all items on the packing list are present and test the instrument electrically as soon as possible after receipt Refer to the warranty card at the front of the manual if any damage or deficiencies are found SHIPPING CONTAINER We recommend that the shipping container be retained for future storage or tran...

Page 3: ...tents Page SECTION 1 INTRODUCTION 1 1 General Theory 1 2 Figure 1 1 Decade Box Schematic Diagram 1 2 SECTION 2 SPECIFICATIONS 2 1 Table 2 1 Resistance Specifications 2 2 Table 2 2 Resistance Range and Resolution 2 3 SECTION 3 MAINTENANCE 3 1 iii ...

Page 4: ... device below the 1 ohm step decade The current terminals are labeled as C1 and C2 on the top panel and the potential terminals are labeled as P1 and P2 on the top panel A terminal is provided on the top panel to allow connection of a ground or guard to the metallic enclosure The minimum resistance between the C1 and C2 terminals is a nominal 2 ohm value The main features of the 934X 4T are Resist...

Page 5: ... the number of decades The model value designations of the resistances are related to the total resistance of the unit when all decades are set at maximum resistance These values are listed in Table 2 2 along with the resistance resolution available with the lowest value decade Note that the minimum dial setting is 1 ohm except for those models which do not have an x1 decade Models without an x1 d...

Page 6: ... than 10 u with four terminal connections Breakdown Voltage 1000 Volts to case Dimensions 9343 W 11 5 cm L 24 cm H 10 cm 9344 W 11 5 cm L 29 cm H 10 cm 9345 W 11 5 cm L 37 cm H 10 cm 9346 W 11 5 cm L 40 5 cm H 10 cm 9347 W 11 5 cm L 43 cm H 10 cm Weight 9343 2 6 kg 9344 3 25 kg 9345 3 75 kg 9346 4 3 kg 9347 4 5 kg 2 1 ...

Page 7: ...1 2 0 7 0 1 10 m 0 3 20 5 0 3 1 2 0 7 1 0 1 0 1 20 5 0 3 5 1 2 0 7 10 1 0 01 20 5 0 2 5 0 7 0 7 100 10 0 01 10 5 0 2 5 0 2 2 1 k 100 0 01 10 5 0 2 5 0 07 7 10 k 1 k 0 01 10 5 0 2 5 0 02 20 100 k 10 k 0 01 10 5 0 2 5 0 007 70 Notes 1 The apparent power coefficient is due to the voltage coefficient of the resistor 2 The decades below 1 ohm are arranged in a Kelvin Varley configuration and cannot be ...

Page 8: ... 111 10 10 m 9344 4T 1k 1 1110 k 100 m 9344 4T 10k 11 110 k 1 9344 4T 100k 111 10 k 10 9345 4T 0 1 111 110 m 0 001 m 9345 4T 1 1 11110 0 01 m 9345 4T 10 11 1110 0 1 m 9345 4T 100 111 110 1 m 9345 4T 1k 1 11110 k 10 m 9345 4T 10k 11 1110 k 100 m 9345 4T 100k 111 110 k 1 9346 4T 1 1 111110 0 001 m 9346 4T 10 11 11110 0 01 m 9346 4T 100 111 1110 0 1 m 9346 4T 1k 1 111110 k 1 m 9346 4T 10k 11 11110 k ...

Page 9: ... verified by measurement with a suitable long scale multi meter of sufficient accuracy The lower decade values below 1 ohm can be measured while setting the first step of the 1 ohm decade at the x1 position and calculating the differences in resistance value as the lower decades are switched through the 10 steps from 1 to 10 For best verification accuracy it is recommended that a DC Comparator Res...

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