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PXIe-4357 Calibration Procedure

Calibration Executive 4.0 Help

Edition Date: March 2017

Part Number: 374564H-01

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This topic contains information for calibrating National Instruments PXIe-4357 SC Express modules using Calibration Executive.

Calibration Executive Procedure Features:

Adjustment

supported
Manual Mode

supported
Selectable Test Points

unsupported

Approximate Test Time:

Verify Only
25 minutes
Verify & Adjust
60 minutes
Test Equipment| Test Conditions| Device Setup| Test Limit Equations

Test Equipment

The following table lists the test equipment required for calibrating PXIe-4357 modules.

InstrumentRecommended
Model
Requirements
Calibrator Fluke 5520A Use a calibrator that can provide resistance values in the range of 0 Ω to 400 Ω with 0.01 Ω resolution, an accuracy of 90 ppm or better, and automatic lead-wire compensation.
PXI Express Chassis PXIe-1062Q
Connection Accessory TB-4357 terminal block Screw terminal accessory for the PXIe-4357.

Test Conditions

The following setup and environmental conditions are required to ensure the PXIe-4357 meets published specifications.

  • Keep connections to the module as short as possible. Long cables and wires act as antennas, picking up extra noise that can affect measurements.
  • Use shielded copper wire for all cable connections to the module. Use twisted-pair wire to eliminate noise and thermal offsets.
  • Maintain an ambient temperature of 23 ±5 °C.
  • Keep relative humidity below 80%.
  • Allow a warm-up time of at least 15 minutes to ensure that the measurement circuitry of the module is at a stable operating temperature.
  • Ensure that the PXI Express chassis fan speed is set to HIGH, that the fan filters are clean, and that the empty slots contain filler panels. For more information, refer to the Maintain Forced-Air Cooling Note to Users document available at ni.com/manuals.

Device Setup

  1. Ensure that the PXI Express chassis is turned off.
  2. Insert the module into an available slot in the PXI Express chassis.
  3. Install the terminal block
  4. Power on the chassis.
  5. Launch Measurement & Automation Explorer (MAX).
  6. Expand Devices and Interfaces to confirm that MAX detects the module.
  7. Right-click the module name, and select Self-Test to ensure that the device is working properly.

The calibration procedure for the PXIe-4357 requires that you perform an Ohms Zero operation on the calibrator during setup.

Test Limit Equations

The following test limits are derived from the published specifications.

Accuracy

TestLimits = TestValue ± (TestValue * Gain Error + Offset Error)
Offset: 0.034Ω
Gain: 0.04%


 

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