Keithley 2260B Manual
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Keithley 2260B Manual

Multi-range programming dc power supplies
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See also: Programming Manual
 
 
 
 
2260B Series
Multi-Range Programming DC Power Supplies
 
 
Verification Procedure
 
 
077-1048-01/ August 2015
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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A Tektronix Company
G R E A T E R
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E A S U
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C O
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F I D E N
www.keithley.com
C E

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Summary of Contents for Keithley 2260B

  • Page 1   www.keithley.com       2260B Series Multi-Range Programming DC Power Supplies     Verification Procedure     077-1048-01/ August 2015                                      ...
  • Page 2 Series 2260B Multi-Range Programmable DC Power Supplies VERIFICATION PROCEDURE ISO-9001 CERTIFIED MANUFACTURER...
  • Page 3 No part of this manual may be photocopied, reproduced or translated to another language without prior written consent of Keithley company. The information in this manual was correct at the time of printing. However, Keithley continues to improve products and reserves the rights to change specification, equipment, and maintenance...

  • Page 4: Table Of Contents

    Table of Contents Table of Contents Preparing for Verification ............2 List of Equipment for Verification ..........3 Constant Voltage Tests ............4 Voltage Programming and Measurement Accuracy ..........4 CV Load Regulation ..................... 5 CV Line Regulation ....................6 CV Ripple and Noise ....................

  • Page 5: Preparing For Verification

    2260B Verification Procedure Preparing for Verification In order to ensure performance accuracy, we recommend Note you to verify all items listed in this chapter at once. When to verify the When using the power supply in a new environment ...

  • Page 6: List Of Equipment For Verification

    List of Equipment for Verification Here is the list of all equipment used in the service operations. Type Specifications Recommended Model Resolution: 1 uV @ 1V  Keithley Model  Digital Voltmeter 2000 or equivalent Readout: 6 1/2 digits  3A (0.1Ω) 0.02%, TC=10ppm/℃...

  • Page 7: Constant Voltage Tests

    2260B Verification Procedure Constant Voltage Tests Voltage Programming and Measurement Accuracy Connection Precision Current Shunt Fig. 1 ＋ ＋ ＋ 2260B AC Power Source － － － Background This test verifies that the voltage programming and measurement functions are within specifications.

  • Page 8: Cv Load Regulation

    CV Load Regulation Connection Precision Current Shunt Fig.2 ＋ ＋ ＋ 2260B Electronic DC Load AC Power Source － － － Background This test measures the change in output voltage resulting from a change in output current from full load to no load.

  • Page 9: Cv Line Regulation

    2260B Verification Procedure CV Line Regulation Connection Precision Current Shunt Fig. 3 ＋ ＋ ＋ 2260B Electronic DC Load AC Power Source － － － Background This test measures the change in output voltage that results from a change in AC line voltage from the minimum to maximum value within the line voltage specifications.

  • Page 10: Cv Ripple And Noise

    CV Ripple and Noise Connection Scope BW: 20MHz Fig. 4 50 Ohm 1:1 50 Ohm probe 4700pF ＋ ＋ ＋ Electronic DC Load 2260B AC Power Source － － － Connection Scope BW: 10MHz Fig. 5 Low Pass Filter BW: 1MHz ＋...

  • Page 11: Transient Recovery Time

    2260B Verification Procedure Verifying CV Ripple and Noise is complete Transient Recovery Time Background This measures the time for the output voltage to recover to within the specified value following a 50% to 100% change in the load current. Connection Scope Fig.
  • Page 12 Constant Voltage Tests 7. The output voltage should return to within the specified voltage in the specified time following the 50% to 100% load change. Check transients by triggering on the positive and negative slope. Record the voltage at time “t” in the performance test record form under Transient Response.

  • Page 13: Constant Current Tests

    2260B Verification Procedure Constant Current Tests Current Programming and Measurement Accuracy Connection Precision Current Shunt Fig. 8 ＋ ＋ ＋ 2260B AC Power Source － － － Background This test verifies that the current programming and measurement functions are within specifications.

  • Page 14: Cc Load Regulation

    CC Load Regulation Connection Precision Current Shunt Fig. 9 ＋ ＋ ＋ 2260B Electronic DC Load AC Power Source － － － Background This test measures the change in output current resulting from a change in output voltage from full scale to short circuit.

  • Page 15: Cc Line Regulation

    2260B Verification Procedure CC Line Regulation Connection Precision Current Shunt Fig. 10 ＋ ＋ ＋ 2260B Electronic DC Load AC Power Source － － － Background This test measures the change in output current that results from a change in AC line voltage from the minimum to maximum value within the line voltage specifications.

  • Page 16: Verification Test Record Form

    Verification Test Record Form Verification Test Record Form Print out these pages and record the results. Keep it with the power supply. Model 2260B-30-36 2260B-30-72 2260B-30-108 Serial number ____________________ Date Year___________ Month__________ Date___________ Verified by Name____________________________ Company/Contact_________________________ Environment Temperature______°C Humidity______%...
  • Page 17 2260B Verification Procedure 30-108 Iout - 100 mA Iout + 100 mA Rated Current Iout 30-36 35.934 A 36.066 A 30-72 71.898 A 72.102 A 30-108 107.862 A 108.138 A Measurement Accuracy 30-36 Iout - 66 mA Iout + 66 mA...
  • Page 18 Verification Test Record Form Model 2260B-80-13 2260B-80-27 2260B-80-40 Serial number ____________________ Date Year___________ Month__________ Date___________ Verified by Name____________________________ Company/Contact_________________________ Environment Temperature______°C Humidity______% Constant Voltage Test Model Min. Specs. Results Max. Specs. Voltage Programming and Measurement Minimum Voltage V - 10 mV...
  • Page 19 2260B Verification Procedure Measurement Accuracy 80-13 Iout - 24 mA Iout + 24 mA 80-27 Iout - 57 mA Iout + 57 mA 80-40 Iout - 81 mA Iout + 81 mA CC Line Regulation 80-13 - 18.5 mA + 18.5 mA...

  • Page 20: 250V

    Verification Test Record Form 250V Model 2260B-250-4 2260B-250-9 2260B-250-13 Serial number ____________________ Date Year___________ Month__________ Date___________ Verified by Name____________________________ Company/Contact_________________________ Environment Temperature______°C Humidity______% Constant Voltage Test Model Min. Specs. Results Max. Specs. Voltage Programming and Measurement Minimum Voltage V - 200 mV...
  • Page 21 2260B Verification Procedure Measurement Accuracy 250-4 Iout - 9.5 mA Iout + 9.5 mA 250-9 Iout - 19 mA Iout + 19 mA 250-13 Iout - 29 mA Iout + 29 mA CC Line Regulation 250-4 - 9.5 mA + 9.5 mA...

  • Page 22: 800V

    Verification Test Record Form 800V Model 2260B-800-1 2260B-800-2 2260B-800-4 Serial number ____________________ Date Year___________ Month__________ Date___________ Verified by Name____________________________ Company/Contact_________________________ Environment Temperature______°C Humidity______% Constant Voltage Test Model Min. Specs. Results Max. Specs. Voltage Programming and Measurement Minimum Voltage V - 400 mV...
  • Page 23 2260B Verification Procedure Measurement Accuracy 800-1 Iout - 3.5 mA Iout + 3.5 mA 800-2 Iout - 6.9 mA Iout + 6.9 mA 800-4 Iout - 10.4 mA Iout + 10.4 mA CC Line Regulation 800-1 - 6.44 mA + 6.44 mA 800-2 - 7.88 mA...
  • Page 24 G R E A T E R M E A S U R E C O N F I D E N C E Keithley Instruments, Inc. Corporate Headquarters • 28775 Aurora Road • Cleveland, Ohio 44139 • 440-248-0400 • Fax: 440-248-6168 • 1-888-KEITHLEY • www.keithley.com...

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