Hach LDO Benutzerhandbuch Seite 10

4.2 Configure the sensor
Use the Configure menu to enter identification information for the sensor and to change options for
data handling and storage.
For information about sensor installation, refer to
Make sure that all of the Configuration menu values are correct for the application.
1. Go to MENU, SENSOR SETUP, [Select Sensor], LDO SETUP, CONFIGURE.
2. Select an option, ENTER.
Option Description
EDIT NAME Changes the name that corresponds to the sensor on the top of the measure screen. The
name is limited to 10 characters in any combination of letters, numbers, spaces or
punctuation.
SET UNITS TEMP–Sets the temperature units to °C (default) or °F.
MEASURE–Set the measurement units in mg/L, ppm or % .
ALT/PRESS–Set the altitude in m or ft or set the atmospheric pressure units in mmHg or
torr.
ALT/PRESS Enter the value of the altitude or atmospheric pressure.
SALINITY Enter the salinity value. Salinity range: 0.00 to 250.00 parts per thousand. Refer to
salinity correction value
SIGNAL AVERAGE Set the time interval to average signal in seconds
CLEAN INTRVL Set the time interval for sensor cleaning in days
RESET CLN INTRVL Set the time interval to the factory default value
LOG SETUP Sets the time interval for data storage in the data log—1, 2, 5, 10, 15 (default), 30,
60 minutes.
SET DEFAULTS Restores the configurable default values for the sensor. Does not change the setting for
slope or offset.
4.3 Enter the atmospheric pressure value
1. Go to MENU, SENSOR SETUP, [Select Sensor], LDO SETUP, CONFIGURE, SET UNITS, AIR
PRESS/ALT UNITS.
2. Select the units, ENTER.
3. Select AIR PRESS/ALT. Enter and confirm a value from
Table 1 Elevation (ft) and barometric pressure (mm Hg)
Ft mm Hg
0 760
500 746
1000 733
1500 720
2000 708
2500 695
10 English
on page 11 for more information.
Ft mm Hg
3000 683
3500 671
4000 659
4500 647
5000 635
5500 624
Install the sensor on page 8.
Table 1.
Ft mm Hg
6000 613
6500 601
7000 590
7500 579
8000 568
8500 559
Enter a
Ft mm Hg
9000 548
9500 538
10,000 527
10,500 517
11,000 506
11,5000 —