Technical Tip 05: Password Reset Procedure for LAQUA 1000 Series Bench Meters


If you’ve forgotten the password for your PH1100, PH1200, PH1300, EC1100, or PC1100 meter, follow these steps to reset the password.

1 Press the SET key and MODE key simultaneously for 5 seconds.


Press ENT key.



Press SET key.



Press down arrow key until GEN appears on the screen.


Press ENT key.


Press down arrow key again until PASS appears on the screen.


Press ENT key twice.


Enter a new 4-digit password using the arrow keys: left/right arrows—to move to the left or right digit, up/down arrows—to increase or decrease the digit.


Press ENT key to save the new 4-digit password (Example: 1413).


10 New password is set.

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