National Instruments 6738, Calibration Procedure

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NI 6738/6739 Calibration Procedure | © National Instruments | 3
Test Equipment
Table 1 lists the equipment recommended for the performance verification and adjustment
procedures. If the recommended equipment is not available, select a substitute using the
requirements listed in Table 1.
Caution
For compliance with Electromagnetic Compatibility (EMC)
requirements, this product must be operated with shielded cables and accessories.
If unshielded cables or accessories are used, the EMC specifications are no longer
guaranteed unless all unshielded cables and/or accessories are installed in a shielded
enclosure with properly designed and shielded input/output ports.
Table 1. Recommended Equipment
Equipment
Recommended
Models Where Used Requirements
DMM NI 4070
*
Analog Output
Verification
and
Adjustment
If this instrument is unavailable,
use a multiranging 6 1/2-digit
DMM with an accuracy of 40 ppm
or better.
Counter Agilent 53220A Counter
Verification Whether using the recommended
instrument or another counter, you
must ensure that it is configured to
be
at least 12.5 ppm (0.00125%)
accurate.
PXI Express
chassis NI PXIe-1062Q — Use with NI PXIe-6738/6739
modules.
Shielded
DAQ cable NI SHC68-68-A2 — Use with NI 6738/6739 modules.
NI SH68-C68-S — Use when connecting signals using
the NI 6738 Adapter or NI 6739
Adapter.
DAQ
accessory NI SCB-68,
NI SCB-68A — Shielded I/O connector block
with 68 screw terminals for
easy signal connection to the
NI 6738/6739.
NI CB-68LP,
NI CB-68LPR,
NI TBX-68 — Low-cost termination accessories
with 68 screw terminals for easy
connection of field I/O signals to
the NI 6738/6739.
* If you are using the NI 4070, ensure that it is set to the 10 V range.