
Operation
2/04
DirectLine® DL421 Sensor Module User Manual
23
5. Operation
5.1 Displays
Overview
The DirectLine® DL421
displays the pH value, Temperature, Zero Offset pH value, and Percent
Theoretical Slope online. The table below describes these parameters.
Table 5-1 Online Parameter Descriptions
Parameter
Description
Online pH
Measured pH expressed with fixed hundredths decimal precision.
Range: 0.00 to 14.00
Online Temperature
Measured temperature expressed with fixed tenths decimal precision.
Temperature displayed in
°
C or
°
F
Range:
−
10.0 to 110.0
°
C
−
14.0 to 230.0
°
F
Zero Offset pH
Value
Zero Offset pH value expressed with fixed hundredths decimal precision.
Range:
−
2.00 to +2.00 pH
Percent Theoretical
Slope Value
Percent Theoretical Slope value expressed with fixed tenths decimal precision.
Range: 80.0 % to 105.0 %
The default display and home position is the
Online pH
display. It appears when:
The unit is powered up
No button presses for 60 seconds
A successful Zero (Standardization) or Slope calibration has occurred in
Auto Buffer
Recognition
The Mode button has been pressed during Zero (Standardization) or Slope calibration
(
Sample Calibration
)
The Mode button has been pressed during a configuration edit
The measurement and display of pH is updated at a rate of 500 ms.
Содержание DirectLine DL421
Страница 34: ...Spare Parts 28 DirectLine DL421 Sensor Module User Manual 2 04 ...
Страница 35: ...Spare Parts 2 04 DirectLine DL421 Sensor Module User Manual 29 ...
Страница 37: ...Appendix CE Mark Applications 2 04 DirectLine DL421 Sensor Module User Manual 31 ...
Страница 39: ...2 04 DirectLine DL421 Sensor Module User Manual 33 ...