NI 9207 Calibration Procedure
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© National Instruments
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3
Test Conditions
The following setup and environmental conditions are required to ensure the NI 9207
meets
published specifications.
•
Keep connections to the device as short as possible. Long cables and wires act as antennas,
picking up extra noise that can affect measurements.
•
Verify that all connections to the device are secure.
•
Use shielded copper wire for all cable connections to the device. Use twisted-pairs wire to
eliminate noise and thermal offsets.
•
Maintain an ambient temperature of 23 ± 5 °C. The device temperature will be greater than
the ambient temperature.
•
Keep relative humidity below 80%.
•
Allow a warm-up time of at least 10 minutes to ensure that the NI 9207 measurement
circuitry is at a stable operating temperature.
Initial Setup
Complete the following steps to set up the NI 9207.
1.
Install NI-DAQmx.
2.
Make sure the NI cDAQ-9178 power source is not connected.
3.
Install the module in slot 8 of the NI cDAQ-9178 chassis. Leave slots 1 through 7 of the
NI cDAQ-9178 chassis empty.
4.
Connect the NI cDAQ-9178 chassis to your host computer.
5.
Connect the power source to the NI cDAQ-9178 chassis.
6.
Launch Measurement & Automation Explorer (MAX).
7.
Right-click the device name and select
Self-Test
to ensure that the module is working
properly.
Verification
The following performance verification procedures describe the sequence of operation and test
points required to verify the NI 9207 and assumes that adequate traceable uncertainties are
available for the calibration references.
