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Operation
5.1 Displays
Overview
The DirectLine® DL424/425 displays the On-line DO Concentration value and the On-
line Temperature. The table below describes these parameters.
Parameter
Online DO
Online
Temperature
The default display and home position is the Online DO display. It appears when:
The unit is powered up after the nPrb option is selected
No button presses for 60 seconds
The Mode button has been pressed during Air or Sample calibration
The Mode button has been pressed momentarily during a configuration edit
The DO measurement and display is updated at a rate of 500 ms.
In the DL425, when the DO value is outside the 200ppb range, the live DO value will
alternately flash ppm and the current reading. The output will be in burnout as the
reading is outside the operating range.
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5. Operation
Table 5-1 Online Parameter Descriptions
D424 Range: ppm = 0.00 to 20.00
D425 Range: ppb = 0 to 200
Measured temperature expressed with fixed tenths decimal
precision.
Temperature displayed in C or F
Range: 2.0 to 60.0 C
35.6 to 140.0 F
DirectLine® DL424/425 Sensor Module User Manual
Description
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