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CALIBRATION PROCEDURE
NI PXIe-4145
Four Channel Precision Source-Measure Unit (SMU)
This document contains the verification and adjustment procedures for the NI PXIe-4145
(NI 4145). Refer to
Contents
Verification................................................................................................................................2
Required Software.............................................................................................................2
Related Documentation.....................................................................................................2
Password........................................................................................................................... 2
Calibration Interval........................................................................................................... 2
Test Equipment..................................................................................................................2
Test Conditions..................................................................................................................3
Calibration Overview........................................................................................................ 4
Self-Calibrating................................................................................................................. 5
Voltage Output and Measurement.....................................................................................5
Current Output and Measurement.....................................................................................7
Remote Sense.................................................................................................................... 9
Adjustment.............................................................................................................................. 10
Adjusted Specifications...................................................................................................10
Self-Calibrating............................................................................................................... 11
Initiating the Adjustment Session................................................................................... 11
Connecting and Configuring Equipment for Voltage Adjustment.................................. 11
Adjusting Voltage Measurement..................................................................................... 12
Connecting and Configuring Equipment for Current Adjustment..................................13
Adjusting Current Measurement..................................................................................... 13
Connecting and Configuring Equipment to Adjust Residual Offset Voltage..................14
Adjusting Residual Voltage Offset..................................................................................15
Adjusting Residual Current Offset..................................................................................15
Closing the Adjustment Session..................................................................................... 15
Alternative to Adjustment Procedures............................................................................ 15
Reverification..........................................................................................................................16
Worldwide Support and Services............................................................................................ 16
ni.com/calibration
for more information about calibration solutions.
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Summary of Contents for National Instruments NI PXIe-4145
- Page 1 CALIBRATION PROCEDURE NI PXIe-4145 Four Channel Precision Source-Measure Unit (SMU) This document contains the verification and adjustment procedures for the NI PXIe-4145 (NI 4145). Refer to ni.com/calibration for more information about calibration solutions. Contents Verification..........................2 Required Software......................2 Related Documentation.....................2 Password........................... 2 Calibration Interval......................
- Page 2 The following table lists the equipment NI recommends for the performance verification and adjustment procedures. If the recommended equipment is not available, select a substitute using the minimum requirements listed in the table. 2 | ni.com | NI PXIe-4145 Calibration Procedure...
- Page 3 To take measurements in the 10 µA range with the Agilent 3458A, you must send your device to the Agilent Primary Standards Lab for a special calibration to verify the 10 µA, 1 µA, and 100 nA ranges. NI PXIe-4145 Calibration Procedure | © National Instruments | 3...
- Page 4 • Recalculate the test limits if they differ from the newest device specifications. Test limits in this document are based on the October 2013 edition of the NI PXIe-4145 Specifications. • When making measurements, set the niDCPower Aperture Time property or NIDCPOWER_ATTR_APERTURE_TIME attribute to 2 power-line cycles (PLCs) on the device.
- Page 5 Call the self-calibration function. Close the NI-DCPower session. Voltage Output and Measurement Connecting and Configuring Equipment for Voltage Verification Make the necessary connections for this procedure, as shown in the following figure. NI PXIe-4145 Calibration Procedure | © National Instruments | 5...
- Page 6 Set the first specified level range, limit range, and limit on the NI 4145. Set the level on the NI 4145 to the first specified test point. Take a voltage measurement using the DMM, and take a voltage measurement using the NI 4145. 6 | ni.com | NI PXIe-4145 Calibration Procedure...
- Page 7 Compare a set of currents measured by the external DMM to both a set of current test points requested by the NI 4145 and to the measured currents reported by the NI 4145. Refer to the following table as you complete the following steps. NI PXIe-4145 Calibration Procedure | © National Instruments | 7...
- Page 8 100 mA 500 mA -250 mA 0.1% + 30 μA 0.1% + 30 μA 0 mA 250 mA Set the first specified level range, limit range, and limit on the NI 4145. 8 | ni.com | NI PXIe-4145 Calibration Procedure...
- Page 9 LO Lead Drop Measurements Mode – Set the niDCPower Sense property or NIDCPOWER_ATTR_SENSE attribute to Remote. Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Voltage for the NI 4145. NI PXIe-4145 Calibration Procedure | © National Instruments | 9...
- Page 10 For information on VIs and functions used in adjustment, refer to the NI DC Power and SMUs Help Adjusted Specifications Adjustment corrects the following specifications for the device: • Voltage programming accuracy • Current programming accuracy 10 | ni.com | NI PXIe-4145 Calibration Procedure...
- Page 11 Related Information Closing the Adjustment Session on page 15 Connecting and Configuring Equipment for Voltage Adjustment Make the necessary connections for this procedure, as shown in the following figure. NI PXIe-4145 Calibration Procedure | © National Instruments | 11...
- Page 12 NI 4145 up to this step. If more than one level range is specified, repeat the previous steps using the values specified in each level range. 12 | ni.com | NI PXIe-4145 Calibration Procedure...
- Page 13 Refer to the following table as you complete the following steps. Table 6. Current Measurement Adjustment Level Range Limit Range and Limit Test Point 10 μA 10 μA -10 μA 100 μA 100 μA -100 μA NI PXIe-4145 Calibration Procedure | © National Instruments | 13...
- Page 14 Input the NI 4145 measurements as the reported outputs. Input the specified level range as the range. Connecting and Configuring Equipment to Adjust Residual Offset Voltage Make the necessary connections for this procedure, as shown in the following figure. 14 | ni.com | NI PXIe-4145 Calibration Procedure...
- Page 15 NI recommends following all adjustment procedures in order to update the calibration constants and renew the device calibration interval. Call one of the following: • niDCPower Initialize External Calibration VI • niDCPower_InitExtCal function NI PXIe-4145 Calibration Procedure | © National Instruments | 15...
- Page 16 Verification on page 2 Worldwide Support and Services The National Instruments website is your complete resource for technical support. At ni.com/ support, you have access to everything from troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers.
- Page 17 NI PXIe-4145 Calibration Procedure | © National Instruments | 17...
- Page 18 Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products/technology, refer to the appropriate location: Help»Patents in your software, the file on your media, or the National Instruments Patent Notice at .
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