4.22 How to use the Working Timer
Use the working timer to check the time that has passed with a certain kind of operation. For example,
use it as a timer to show how long a fully-charged battery will last.
Under M72, press ENT key and then select YES to reset the timer.
4.23 How to use the manual totalizer
Use M38 for the manual totalizer. Press ENT key to start and stop the totalizer.
4.24 How to know how long the battery will last
Use M07 to check how long the battery will last. Also please refer to §.2.1
4.25 How to check the ESN and other minor details
Every set of the AFT-2000W flow meter utilizes a unique ESN to identify the meter. The ESN is an 8-
digit number that provides the information of version and manufacturing date.
The user can also employ the ESN for instrumentation management.
The ESN is displayed in window M61.
Other details about the instrument are the total working hours displayed in window M+1, and the total
power-on times displayed in window M+4.
4.26 How to use the data logger for scheduled output
Use menu window 51 to setup the time of scheduled output, including start time, time interval and
how many times of output. Then use menu window 50 to turn on data logger and select the items
you want to output.
4.27 How to output analogue voltage signal
Parallel a 250 resistance to the terminal of the Current loop output (No.21, 22), then you can
change the 4-20mA output to analogue voltage output.
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