SPECIFICATIONS
E-Series Ultrasonic Plus Meter Size 5/8 in. x 3/4 in. (15 mm) 3/4 in. (20 mm)
Normal Test Flow Limits
0.1…25 gpm (0.02…5.68 m
3
/hr) 0.1…32 gpm (0.02…7.27 m
3
/hr)
Minimum Test Flow Limits
0.05 gpm (0.01 m
3
/hr) 0.05 gpm (0.01 m
3
/hr)
Safe Maximum Operating Condition (SMOC)
25 gpm (5.68 m
3
/hr) 32 gpm (7.27 m
3
/hr)
Typical Pressure Loss
4.0 psi at 15 gpm (0.28 bar @ 3.41 m
3
/hr) 2.8 psi at 15 gpm (0.19 bar @ 3.41 m
3
/hr)
Reverse Flow - Maximum Rate
4.0 gpm (0.91 m
3
/hr) 4.0 gpm (0.91 m
3
/hr)
Operating Performance
In the normal temperature range of 45…122° F (7…50° C), new meter consumption
measurement is accurate to:
±1.5% over the normal flow range
±3.0% from the extended low flow range to the minimum flow value
Typical Flow Rate in Valve Closed Position Closed: No greater than 0.125 gpm (0.03 m
3
/hr) ; Partially closed: 0.35 gpm (0.08 m
3
/hr)
Storage Temperature – 40…140° F (– 40…60° C)
Maximum Ambient Storage
(Storage for One Hour)
150° F (66° C)
Measured-Fluid Temperature Range 34…140° F (1°…60° C)
Humidity 0…100% condensing; meter is capable of operating in fully submerged environments
Maximum Operating Pressure of Meter
Housing
175 psi (12 bar)
Register Type Straight reading, permanently sealed electronic LCD; digits are 0.28 in. (7 mm) high
Register Display
Consumption (up to nine digits)
Rate of flow
Alarms
Unit of measure factory programmed for gallons, cubic feet and cubic meters
Register Capacity
10,000,000 gallons
1,000,000 cubic feet
100,000 cubic meters
Totalization Display Resolution
Gallons: 0.XX
Cubic feet: 0.XXX
Cubic meters: 0.XXXX
Meter Battery
3.6-volt lithium thionyl chloride battery is fully encapsulated within the register housing
and is not replaceable; 20-year battery life
Integrated Valve Battery
3.6-volt lithium thionyl chloride battery within the power module. Battery is replaceable
by replacing the entire power module; 20-year battery life, based upon 480 actuations
Specications
Page 22 August 2020ESM-UM-02156-EN-02
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