Hach 48685, Руководство пользователя

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Set to 18
Time Derivative
8. Push ADVANCE .
Set to 7
Time Base Output 1
9. Push ADVANCE .
Set to -3
Calibration Offset
The calibration offset is shown in the upper display window. The value entered here corrects for
any temperature offsets that exist in the sampling application. Change this value to make the
process display agree with the assessment of the process temperature. Refer to
Enter the
calibration offset on page 14.
10. Push the INFINITY key to go to the Operation menu.
11. Push and hold the UP and DOWN arrow keys for approximately 3 seconds to go to the Lockout
menu.
12. Change the upper display to 2 , then push INFINITY.
The sample heater returns to normal operation.
Maintenance
Instrument maintenance and cleaning
The manufacturer designed the instrument to be maintenance-free except for exterior cleaning. If the
instrument exterior becomes dirty, clean the exterior surfaces with a damp cloth.
18 English