National Instruments NI PXI-5422 用户手册

This section describes the test equipment and test conditions required for 
calibration.

External calibration requires different equipment for each applicable 
specification. Refer to Table 2 for a list of equipment.

Follow these guidelines to optimize the connections and the environment 
during calibration:

•

Keep connections to the NI PXI-5422 short.

•

Keep relative humidity below 80%.

•

Maintain a temperature between 18 

°C and 28 °C.

•

Observe the 15-minute warm-up time.

Table 2.  Equipment Required for Calibrating the NI PXI-5422 

Digital multimeter 
(DMM)

 DC gain and offset

DC accuracy 

≤ ±50 ppm

Resolution 

≤1 µV

NI PXI-4070

Agilent HP 34401A

Keithley 2000

Male banana to 
female BNC adapter

—

—

Male BNC to 
female SMB cable

50 

Ω, RG-223

—

Spectrum analyzer or 
frequency meter

Frequency accuracy

Ability to measure 
10 MHz or higher 
sine waves

Frequency accuracy 
to ±500 ppb

NI PXI-5660

Agilent HP 8560E

Agilent HP 53131A 
or HP 53132A 
with timebase option 
001, 010, or 012

Male BNC to 
female SMB cable

50 

Ω, RG-223

—