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Test Conditions
The following setup and environmental conditions are required to ensure the device meets
published specifications:
• Keep connections to the module as short as possible. Long cables and wires act as antennae,
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 °C ±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.
Calibration Procedure
This section provides instructions for verifying the performance of the NI PXIe-4357.
The calibration process consists of the following steps:
1. Initial Setup—Install the module and configure it in Measurement & Automation Explorer
(MAX).
2. Verification—Verify the existing operation of the module. This step confirms whether the
module is operating within the published specifications prior to adjustment.
3. Adjustment Procedure—If necessary, perform an external calibration that adjusts the
module calibration constants with respect to a known calibration source.
4. Reverification—Repeat the verification procedure to ensure that the module is operating
within the published specifications after adjustment.
Initial Setup
You must configure the module in Measurement & Automation Explorer (MAX) to
communicate with NI-DAQmx.
Complete the following steps to configure a module in MAX. Refer to the NI PXIe-4357 and
TB-4357 Installation Guide and Terminal Block Specifications for complete installation
instructions.
1. Install the NI-DAQmx driver software.
Caution Always have the PXI Express chassis turned off when inserting a module.
2. Insert the module into an available slot in the PXI Express chassis.
3. Install the terminal block.
4. Power on the chassis.
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