Hioki FT6031-50, Instruction Manual

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Displaying the Serial Number
3.10 Displaying the Serial Number
1
Turn the power on while pressing the 3P/2P button.
The first 4 digits and the last 5 digits of the serial number (9 digits)
appear alternately.
2
Press any button.
Its normal measurement screen will appear.
First 4 digits
Last 5 digits
(Example of a serial number: 200756789)
The 9-digit serial number indicates the year (first two digits) and the month of
manufacture (next two digits).
HIOKI FT6031B961-00