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6
Performance Tests and Calibration
Calibration Overview
Calibration Overview
This manual contains procedures for verifying the instrument
performance, as well as procedures for making adjustments where
necessary.
N O T E
Closed-case electronic calibration
The U1211A, U1212A, and U1213A clamp meter features closed- case
electronic calibration. No internal mechanical adjustments are required.
The instrument calculates correction factors based upon the input
reference value you set. The new correction factors are stored in the
non- volatile memory until the next calibration adjustment is performed.
The non- volatile EEPROM calibration memory is retained when the power
is off.
Agilent Technologies calibration services
When your instrument is due for calibration, contact your local Agilent
Service Center for a low- cost recalibration.
Calibration Interval
A 1- year interval is adequate for most applications. Accuracy
specifications are warranted only if adjustment is made at regular
calibration intervals. Accuracy specifications are not warranted beyond the
1- year calibration interval. Agilent does not recommend extending
calibration intervals beyond two years for any application.
84
Make sure you have read
calibrating the instrument.
"Test Considerations"
on page 88 before
User's and Service Guide
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