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Agilent Technologies U1251A User's And Service Guide

Agilent Technologies U1251A
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144 Agilent U1251A/U1252A User’s and Service Guide
7 Performance Tests and Calibration
Adjustments Consideration
You will need a test input cable and connectors set, and a
Shorting Plug to adjust the instrument (see “Input
Connections” on page 129).
Adjustments for each function should be performed only in
the order shown below.
1 Allow the instrument to warm up and stabilize for 5
minutes before performing the adjustments.
2 Assure that during the adjustment, the low battery
indicator does not appear. Replace the batteries as soon
as possible to avoid false reading.
3 Consider the thermal effects as you are connecting test
leads to the calibrator and handheld multimeter. It is
recommended to wait for one minute before you begin the
calibration after connecting the test leads.
4 During ambient temperature adjustment, be sure the
instrument has been turn on for at least 1 hour with
K- type thermocouple connected between instrument and
calibration source.
NOTE
After each adjustment, the secondary display briefly shows PASS. If the
calibration fails, the handheld multimeter sounds a beep, and an error
number is shown in the secondary display. Calibration error messages are
described on page 154. In the event of a calibration failure, correct the
problem and repeat the procedure.
CAUTION
Never turn off the instrument during an adjustment. This may delete the
calibration memory for the present function.

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Agilent Technologies U1251A Specifications

General IconGeneral
BrandAgilent Technologies
ModelU1251A
CategoryMultimeter
LanguageEnglish

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