Calibration Interval
Recommended calibration interval
1 year
Test Equipment
The following table lists the equipment NI recommends for the performance verification and
adjustment procedures. If the recommended equipment is not available, select a substitute
using the minimum requirements specifications listed in the table.
Table 1. Required Equipment for Calibration
Required
Equipment
Recommended Model(s)
Parameter
Measured
Minimum
Specifications
Digital
multimeter
(DMM)
Keysight 3458A
Voltage
Measurement and
Output Accuracy,
Remote Sense
Voltage Offset
Accuracy, Current
Measurement and
Output Accuracy
Voltage: <±9 ppm
accuracy and
<100 nV resolution.
Current: <±25 ppm
accuracy and
<10 pA resolution.
100 MΩ
current shunt
IET Labs SRL-100M/Pom5219
10 nA current
accuracy
<10 ppm accuracy,
<5 ppm / °C
tempco.
1 MΩ current
shunt
IET Labs SRL-1M/1Triax
1 μA current
accuracy
<4 ppm accuracy,
<0.2 ppm / °C
tempco.
1 Ω current
shunt
Ohm Labs CS-1
1 A and 3 A
current accuracy
<65 ppm accuracy,
<5 ppm / °C
tempco.
PXIe-4135
Calibration
Accessories
Kit
NI 787170-01, including:
•
HI Sense Verification
Assembly
•
LO Sense Verification
Assembly
•
Output Shorting Assembly
Remote Sense
Accuracy, Voltage
Load Regulation
Verification, and
Residual Offset
Voltage
Adjustment
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PXIe-4135 Calibration Procedure
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© National Instruments Corporation
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