ABOUT THIS MANUAL
This manual contains information concerning the installation, operation and maintenance of the Badger Meter® ER-9 Digital
Resettable Totalizer and Rate of Flow Indicator (ER-9). To ensure proper performance, the instructions given in this manual
should be thoroughly understood. Keep this manual for future reference.
Installation, wiring and programming of the unit is fairly simple and straightforward. This manual is designed to provide you
with a step-by-step guide for this purpose.
Examples are provided only to facilitate programming. Your specific application will most likely require a different set of
numbers for proper programming.
The troubleshooting section lists the most common problems that can be encountered, their most likely cause and the
recommended solution. See “Troubleshooting” on page 12.
PRODUCT DESCRIPTION
The ER-9 is an external or battery powered indicator that displays rate of flow and total flow. The ER-9 also has a scalable pulse
output. It has independent programmable scale factors for rate and totalization, allowing you to program these displayed
values in different but meaningful engineering units, such as gallons per minute and total gallons.
The supertwist LCD display with 8 digits for total, and 4 digits plus legend for rate, provides easy viewing at a glance. For
conditions where ambient light is poor, the display can be backlit by connecting an external DC (10…28V DC) power supply.
A single unit can accept NPN or dry contact inputs for low or high speed applications.
The ER-9 is powered by two replaceable 3V lithium batteries. You can install a new battery before removing the old one,
thereby retaining count total and program data. A low battery indicator appears on the screen about two weeks before the
end of the battery life. See “Battery Installation/Replacement” on page 6. The unit operates in battery mode for at least six
months. To extend battery life to five years, connect the unit to an external DC power source.
Setup is quick and easy as the two front panel keys are used to scroll through and preset values in all program mode choices.
User Manual
Page 5 August 2018 REG-UM-00836-EN-12
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