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7.1
What is calibration?
Calibration is required to accurately weigh items with an electronic balance accurately. Calibration should
be performed:
• When the location of the balance is changed, even within the same room.
• When the room temperature changes considerably.
It is recommended that calibration be carried out every day before use.
In this instruction manual, the terms span calibration, calibration check, and calibration are used as
follows.
Span Calibration: …
Use of a reference mass (calibration weight, etc.) to calibrate the
sensitivity of the balance correctly.
Calibration Check: …
Use of a reference mass (calibration weight, etc.) to determine the
amount of drift of the balance sensitivity.
Calibration:
…
Pertains to both span calibration and calibration check.
!
Caution
Never plug off the balance when the following messages are displayed.
[i-CAL x] [i-tESt x] [wAit] [Abort] [CAL E x] (x represents a number)
In the UPX Series, the built-in weight is not locked in this state, so if the balance
is picked up or moved in this state, it could cause damage to internal
mechanisms. In the event the power supply is disconnected while this
indication is displayed, wait for approximately 10 seconds, then reconnect the
power supply. The [CHE 4] indication time may be slightly longer than normal
in these circumstances.
Notes
If the following indications are displayed, the balance has not undergone
proper span calibration.
[CAL E1] When the balance will not stabilize
[CAL E2] When there is serious balance zero point drift
[CAL E4] When there is serious balance sensitivity drift
[CAL E5] When the incorrect weight is placed on the balance
7.
Calibration
Summary of Contents for UP1023X
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