Electronic balances are generally available for external calibration, and some balances also have an internal calibration function. If the external calibration is performed regularly, the sensitivity of the balance can be guaranteed and the balance data can be guaranteed to be accurate and reliable. In order to ensure the service life of the balance, when the electronic balance cannot perform the external school, it should be shut down and repaired in time.

When the Cohen electronic balance fails, the following methods can be used to self-check and troubleshoot:

1. Cause of failure 1 Operation error.

2 The installation environment of the electronic balance does not meet the requirements.

3 balance is not horizontal.

4 The balance before the calibration is not at zero.

5 The external school weight error is too large.

6 Weighing system has mechanical failure.

7 The built-in program is in a state of rejecting the external school.

2. Repair method 1 Re-check the electronic balance manual and perform the external school as required.

2 Change the installation environment of the electronic balance or modify the relevant internal procedures to meet the environmental requirements.

3 Adjust the balance to make it level.

4 The balance should be displayed in a stable position before the calibration.

5 Select the standard weight that meets the accuracy requirements of the school's electronic balance for calibration.

6 Overhaul the mechanical failure of the electronic balance weighing system.

7 Change the built-in procedure of the electronic balance to make it perform the state of the external school. The above can not eliminate the fault, please look for professional balance supplier repair, so as not to cause greater losses!

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