ESM-UM-02782-EN-12
SCOPE OF THIS MANUAL
This manual contains installation, operation and maintenance procedures for the next generation E-Series G2® 3, 4, 6 and 8
inch Ultrasonic meters. Proper performance and reliability of the product depend upon installation in accordance with
these instructions.
ABOUT THE ESERIES ULTRASONIC METER
The E-Series® Ultrasonic meter uses solid-state technology in a compact, tamper protected, weatherproof, and UV-resistant
housing, suitable for commercial applications. The ultrasonic measurement system has no moving parts, provides long-term
accuracy and minimizes measurement errors due to sand, suspended particles, air pockets and pressure fluctuations.
The registration electronics and battery are encapsulated to withstand harsh environments and protect the electronics in
flooded or submerged pit applications.
Meters can be installed using horizontal or vertical piping, with water flow in the up direction. The meter will not measure
flow when an “empty pipe” condition is experienced. An empty pipe is defined as a condition when the flow sensors are not
fully submerged.
E-Series Ultrasonic meters meet and exceed AWWA C715 and the most recent revision of AWWA C750 Standards. The lead-free
bronze alloy meters comply with the lead-free provisions of the Safe Drinking Water Act and NSF/ANSI/CAN Standards 61 and
372. E-Series Ultrasonic meters also conform to UL 327B and FM 1044 for fire service applications.
Construction
The E-Series Ultrasonic meter features lead-free bronze alloy meter housing, ultrasonic transducers, a meter-control circuit
board with associated wiring, LCD, and battery. Wetted elements are limited to the pressure vessel and transducers. The
electronic components are housed and fully potted within a molded, engineered polymer enclosure, which is attached to the
meter housing. The transducers extend through the housing and are sealed by O-rings, enabling turbulence-free water flow
through the tube. The open flow tube design prevents obstruction of flow to reduce pressure loss and provides
long-term accuracy.
Operation
As water flows into the measuring tube, ultrasonic signals are sent consecutively in forward and reverse directions of
flow. Velocity is then determined by measuring the time difference between the measurement in the forward and reverse
directions. Total volume is calculated from the measured flow velocity using water temperature and pipe diameter. The LCD
shows total volume, unit of measure, rate of flow, pressure, temperature, firmware and alarm conditions (reverse-flow,
no usage, empty pipe, exceeding max flow, suspected leak, pressure, temperature, end of life, and measurement error).
REQUIREMENTS
MPORTANTI
For proper handling of the higher reading resolution and the extended status indicator capabilities of the E-Series Ultrasonic meter,
the following are recommended to support the full capabilities of the meter.
• ORION® Cellular LTE endpoints, firmware version 1.10.1193 or later
• BEACON® software suite
For assistance, please contact Badger Meter Technical Support at 800-616-3837 or the appropriate endpoint provider.
Scope of this Manual
Page 3 December 2021
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