Hach LANGE Manual Del Usuario página 14

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 and push ENTER.
3. Push ENTER when the Reset Cal? screen is shown. All calibration
options are set to the default values.
14 English
4. If the option for operator ID is set to Yes in the Calibration Options
menu, enter an operator ID (4 characters) and push ENTER. See
Change calibration options
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
MENU
key and
Personal injury hazard. Only qualified personnel should conduct the tasks
described in this section of the manual.
Clean the sensor
The sensor requires no routine maintenance other than the occasional
cleaning.
1. Use warm soapy water to clean the sensor.
2. Use clean water to rinse the sensor.
Troubleshooting
Intermittent data
During calibration, data is not sent to the datalog. Thus, the datalog can
have areas where the data is intermittent.
Inspect the sensor cable
Electrocution Hazard. High voltage wiring for the controller is conducted behind the
high voltage barrier in the controller enclosure. The barrier must remain in place
except when installing modules, or when a qualified installation technician is wiring
for power, relays or analog and network cards.
Potential Electrocution Hazard. Always disconnect power to the
instrument when making electrical connections.
on page 14 for more information.
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