Hach D5500 Série Manuel De L'utilisateur page 15

1. Push the BACK key during a calibration. Three options are shown:
Option Description
QUIT CAL Stop the calibration. A new calibration must start from the
beginning.
BACK TO CAL Return to the calibration.
LEAVE CAL Exit the calibration temporarily. Access to other menus is
allowed. A calibration for a second sensor (if present) can be
started. To return to the calibration, push the
select Sensor Setup, [Select Sensor].
2. Use the arrow keys to select one of the options and push ENTER.
Change calibration options
The user can set a reminder or include an operator ID with calibration data
from the CAL OPTIONS menu.
1. Push the MENU key and select Sensor Setup, [Select Sensor],
Calibrate, Cal Options.
2. Use the arrow keys to select an option and push ENTER.
Option Description
CAL REMINDER Sets a reminder for the next calibration in days, months or
years—Off (default), 1 day, 7, 30, 60, or 90 days, 6 or 9
months, 1 or 2 years
OP ID on CAL Includes an operator ID with calibration data—Yes or No
(default). The ID is entered during the calibration.
Reset calibration options
The calibration options can be reset to the factory default options.
1. Push the MENU key and select Sensor Setup, [Select Sensor],
Calibrate, Reset Default Cal.
2. If the passcode is enabled in the security menu for the controller, enter
the passcode.
3. Push ENTER. The Reset Cal? screen is shown.
4. Push ENTER. All calibration options are set to the default values.
5. If the option for operator ID is set to Yes in the Calibration Options
menu, enter an operator ID. Refer to
on page 15.
6. On the New Sensor screen, select whether the sensor is new:
Option Description
Yes
MENU
key and
No
7. Push the BACK key to return to the measure screen.
Modbus registers
A list of Modbus registers is available for network communication. Refer
to www.hach.com or www.hach-lange.com for more information.
Maintenance
Personal injury hazard. Only qualified personnel should conduct the tasks
described in this section of the manual.
Clean the sensor
Take care to not damage the sensor membrane.
Clean the sensor membrane before each calibration for best results. Clean
and calibrate monthly or until operating experience determines the
appropriate frequency.
1. Use a clean, soft cloth and mild soap solution to remove loose debris
from the membrane surface.
2. Rinse the sensor with distilled water.
Always calibrate the sensor after maintenance procedures.
Change calibration options
The sensor was not calibrated previously with this controller. The
days of operation and previous calibration curves for the sensor are
reset.
The sensor was calibrated previously with this controller.
C A U T I O N
N O T I C E
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