Table of Contents
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CALIBRATION PROCEDURE
NI PXIe-4139
Single-Channel Precision Source-Measure Unit (SMU)
This document contains the verification and adjustment procedures for the PXIe-4139. Refer
to
ni.com/calibration
Contents
Required Software.....................................................................................................................2
Related Documentation.............................................................................................................2
Password................................................................................................................................... 2
Calibration Interval................................................................................................................... 2
Test Equipment..........................................................................................................................3
Test Conditions..........................................................................................................................3
As-Found and As-Left Limits................................................................................................... 4
Calibration Overview................................................................................................................ 5
Verification................................................................................................................................5
Self-Calibrating the PXIe-4139........................................................................................ 6
Connecting and Configuring Equipment for Voltage Verification....................................6
Verifying Voltage Measurement and Output.....................................................................6
Verifying Remote Sense Voltage Offset............................................................................8
Verifying Voltage Remote Sense.......................................................................................8
Verifying Current Offset................................................................................................. 10
Verifying Load Regulation.............................................................................................. 11
Verifying 1 μA and 10 μA Current Measurement and Output........................................12
Verifying 100 μA to 100 mA Current Measurement and Output....................................14
Verifying 1 A and 3 A Current Measurement and Output.............................................. 16
Adjustment.............................................................................................................................. 17
Adjusted Specifications...................................................................................................18
Initiating the Adjustment Session................................................................................... 18
Voltage and Current Output............................................................................................ 18
Residual Offset Voltage...................................................................................................22
Closing the Adjustment Session..................................................................................... 23
Alternative to Performing Adjustment Procedures......................................................... 23
Reverification..........................................................................................................................23
Worldwide Support and Services............................................................................................ 23
for more information about calibration solutions.
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Table of Contents
Related Manuals for National Instruments NI PXIe-4139
Summary of Contents for National Instruments NI PXIe-4139
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Page 1: Table Of Contents
CALIBRATION PROCEDURE NI PXIe-4139 Single-Channel Precision Source-Measure Unit (SMU) This document contains the verification and adjustment procedures for the PXIe-4139. Refer ni.com/calibration for more information about calibration solutions. Contents Required Software........................2 Related Documentation......................2 Password........................... 2 Calibration Interval........................2 Test Equipment..........................3 Test Conditions..........................3... -
Page 2: Required Software
PXIe-4139 Specifications • NI-DCPower Readme • LabVIEW Help Visit ni.com/manuals for the latest versions of these documents. Password The default password for password-protected operations is Calibration Interval Recommended calibration interval 1 year 2 | ni.com | NI PXIe-4139 Calibration Procedure... -
Page 3: Test Equipment
For more information about cooling, refer to the Maintain Forced-Air Cooling Note to Users document available at ni.com/manuals. NI PXIe-4139 Calibration Procedure | © National Instruments | 3... -
Page 4: As-Found And As-Left Limits
PXIe-4139 at the completion of the last self- calibration. Call the niDCPower Get Self Cal Last Temp VI to query T from the PXIe-4139. 4 | ni.com | NI PXIe-4139 Calibration Procedure... -
Page 5: Calibration Overview
Reverification—Repeat the Verification procedure to ensure that the device is operating within the published specifications after adjustment. Verification The performance verification procedures assume that adequate traceable uncertainties are available for the calibration references. NI PXIe-4139 Calibration Procedure | © National Instruments | 5... -
Page 6: Self-Calibrating The Pxie-4139
Compare a set of voltages measured by a DMM to the voltage test points requested by the PXIe-4139. Refer to the following table as you complete the following steps. Verify ranges in the order listed in the table. 6 | ni.com | NI PXIe-4139 Calibration Procedure... - Page 7 PXIe-4139 up to this step. If more than one level range is specified, repeat the previous steps using the values specified in each level range. NI PXIe-4139 Calibration Procedure | © National Instruments | 7...
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Page 8: Verifying Remote Sense Voltage Offset
Load2 1 mA 600 mV 0 mA 3 kΩ 3 kΩ ≤38.4 µV ≤6 µV 1 mA Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Current for the PXIe-4139. 8 | ni.com | NI PXIe-4139 Calibration Procedure... - Page 9 12. Repeat the previous steps. This time, make the necessary connections as shown in the following figure: Follow industry best practices for minimizing thermal electromotive force (EMF) when making the necessary connections for this procedure. NI PXIe-4139 Calibration Procedure | © National Instruments | 9...
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Page 10: Verifying Current Offset
20 μA -15 μA 15 μA -600 μA 600 μA -500 μA 500 μA Follow industry best practices for minimizing thermal electromotive force (EMF) when making the necessary connections for this procedure. 10 | ni.com | NI PXIe-4139 Calibration Procedure... -
Page 11: Verifying Load Regulation
DC Current for the PXIe-4139. Set the niDCPower Sense property or NIDCPOWER_ATTR_SENSE attribute to Local. Make the necessary connections for this procedure, as shown in the following figure: NI PXIe-4139 Calibration Procedure | © National Instruments | 11... -
Page 12: Verifying 1 Μa And 10 Μa Current Measurement And Output
DMM. Refer to the following table as you complete the following steps. Complete this procedure only after successfully completing all previous verification procedures. Verify ranges in the order listed in the table. 12 | ni.com | NI PXIe-4139 Calibration Procedure... - Page 13 Calculate the current through the shunt by completing the following steps. Take a voltage measurement across the shunt using the DMM. Divide the voltage measurement by the calibrated value of the shunt. Record the calculated value as DMM Measured Current. NI PXIe-4139 Calibration Procedure | © National Instruments | 13...
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Page 14: Verifying 100 Μa To 100 Ma Current Measurement And Output
PXIe-4139. Refer to the following table as you complete the following steps. Complete this procedure only after successfully completing all previous verification procedures. Verify ranges in the order listed in the table. 14 | ni.com | NI PXIe-4139 Calibration Procedure... - Page 15 If after five minutes the stable temperature still exceeds T ±1 °C, call the self- calibration VI or function. Set the level on the PXIe-4139 to the first specified test point. NI PXIe-4139 Calibration Procedure | © National Instruments | 15...
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Page 16: Verifying 1 A And 3 A Current Measurement And Output
0.027% + 20 μA 0.013% + 15 μA 333 mΩ -3 A 0.083% + 600 μA 0.045% + 500 μA Make the necessary connections for this procedure, as shown in the following figure: 16 | ni.com | NI PXIe-4139 Calibration Procedure... -
Page 17: Adjustment
10. If more than one level range is specified, repeat the previous steps using the values specified in each level range. Adjustment This section describes the steps needed to adjust the PXIe-4139 to meet published specifications. NI PXIe-4139 Calibration Procedure | © National Instruments | 17... -
Page 18: Adjusted Specifications
Do not self-calibrate the device except as specified in a procedure. Voltage and Current Output Connecting and Configuring Equipment for Voltage Adjustment Make the necessary connections for this procedure, as shown in the following figure: 18 | ni.com | NI PXIe-4139 Calibration Procedure... - Page 19 Adjust Voltage Level VI or niDCPower_CalAdjustVoltageLevel function. Input the DMM measurements as the measured outputs. Input the test points as the requested outputs. Input the specified level range as the range. NI PXIe-4139 Calibration Procedure | © National Instruments | 19...
- Page 20 Adjusting the 100 µA and 1 mA level ranges automatically adjusts the following ranges: 1 μA, 10 µA, 10 mA, and 100 mA. The PXIe-4139 requires that you adjust ±100 µA test points in the 1 mA level range. 20 | ni.com | NI PXIe-4139 Calibration Procedure...
- Page 21 Sense LO – Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Current for the PXIe-4139. Set the first specified level range, limit range, and limit on the PXIe-4139. NI PXIe-4139 Calibration Procedure | © National Instruments | 21...
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Page 22: Residual Offset Voltage
Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Voltage for the PXIe-4139. Follow industry best practices for minimizing thermal electromotive force (EMF) when making the necessary connections for this procedure. 22 | ni.com | NI PXIe-4139 Calibration Procedure... -
Page 23: Closing The Adjustment Session
The NI 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. NI PXIe-4139 Calibration Procedure | © National Instruments | 23... - Page 24 CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS. U.S. Government Customers: The data contained in this manual was developed at private expense and is subject to the applicable limited rights and restricted data rights as set forth in FAR 52.227-14, DFAR 252.227-7014, and DFAR 252.227-7015. © 2014—2016 National Instruments. All rights reserved. 374215B-01 Aug16...