Hach-Lange 5740 sc - Manual (Page 16)

12
Operation
4.4.1 Selecting Atmospheric Pressure
1. Select the Main Menu.
2. From the Main Menu, select SENSOR SETUP and confirm.
3. Select the appropriate sensor if more than one sensor is attached and confirm.
4. Select CONFIGURE and confirm.
5. Select AIR PRESS/ALT UNITS and select the appropriate units from the list box.
Confirm the selection.
6. Select AIR PRESS/ALT and tap on the dark-blue highlighted are to the far-right.
Change the value and confirm the selection.
Note: AirPress/Alt must be correct for proper measurement of % saturation and operation of air
calibration.
4500 (1372) 647 (863) 10500 (3200) 517 (689)
5000 (1524) 635 (847) 11000 (3353) 506 (675)
5500 (1676) 624 (832)
Table 1 Elevation Barometric Pressure
Elevation in feet
(m)
Barometric pressure in mm Hg
(hPa)
Elevation in feet
(m)
Barometric pressure in mm Hg
(hPa)
4.5 SENSOR STATUS Menu
SENSOR STATUS Select Sensor (if more than one sensor is attached)
ERROR LIST See section 6.1 on page 21 .
WARNING LIS See section 6.2 on page 21 .
4.6 SENSOR SETUP Menu
SENSOR SETUP Select Sensor (if more than one sensor is attached)
CALIBRATE
AIR CAL
Perform an air calibration of the sensor (slope calibration). See section 4.7.1 on
page 14 .
SAMPLE CAL
Enter a value for the DO concentration as determined by another sensor or
independent method. The instrument performs an offset calibration based on the
entered value. See
section 4.7.2 on page 15 .
TEMP ADJUST
Displays the measured temperature and allows the user to adjust the temperature by
±15 °C.
DEFAULT SETUP
Restores the gain and offset values to 1.0 and 0.0, respectively, and restores the
sensor code to default.