Dynasonics 701_771C Series Insertion Ultrasonic Flow Meter - Manual (Page 7)

Rev. 12/97 -6- D77X
PART 1 - INTRODUCTION
A rechargeable nickel-cadmium battery on the back of
the display board retains all user-entered configuration
values in memory for several years (at 25
?
C), even if
power is lost or turned off. The ten year battery is
continually trickle charged whenever line power is
applied. A completely discharged battery recharges fully
after 48 hours of instrument operation.
The serial number and complete model number of your
D77 is located on the inside of the transmitter’s cover.
Should technical assistance be required, please provide
the Dynasonics' Customer Service Department with this
information.
Battery Backup
Product Identification
Product Matrix