CORONA E
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ELECTRONIC METER | MULTI-JET Fully electronic compact water meter with impeller scanning for recording volume. Highly accurate recording of all billing data at medium temperatures up ► Electronic sensor control for recording flow rate ► Lithium battery, lifetime up to 12 years ► Optical ZVEI interface equipped as standard ► Adjustable reading date for billing ► Single-line 7-digit display for easy meter reading

ELECTRONIC METER | MULTI-JET ELECTRONIC - BASIC FEATURES IP 54 or IP 68 for cold and warm water meter Optical ZVEI M-Bus, L-Bus, pulse Ambient class Protection class Interfaces standard Interfaces optional* * Possible combinations - M-Bus / pulse - L-Bus / forward pulse - only M-Bus Note: IZAR@SET / HYDRO-SET Software for configuration of meters, readout of measured values and printout of meter logs. Available under www.diehl.com/metering (Products - downloads) TECHNICAL DATA DISPLAY Display indication Total values Values displayed Flow rate SUPPLY VOLTAGE Operating voltage UN VDC 3.0...

ELECTRONIC METER | MULTI-JET VOLUME- / PULSE Output type Max. voltage drop at active Max. current through inactive Max. reverse voltage without destroying outputs Open collector HYDROMETER GmbH • Postfach 1462 • 91505 Ansbach Subject to technical adjustments

CORONA EDN 15 - 20 ELECTRONIC METER | MULTI-JET GENERAL Temperature range DN 15 - 20 30 (for cold water meter) / 90 (for warm water meter) Ambient operating temperature Ambient storage temperature Nominal pressure Mounting position TECHNICAL DATA Nominal diameter Nominal flow rate Nominal flow rate Overall length Overload flow rate Transition flow rate Minimum flow rate Maximum flow rate (short-term) Transition flow rate Minimum flow rate Starting flow rate Pressure loss at Q3 Flow rate at 0.1 bar pressure loss APPROVAL Nominal diameter Nominal flow rate Nominal flow rate Overall length MID...

ELECTRONIC METER | MULTI-JET Nominal flow rate Nominal flow rate Overall length Overall length with coupling Connection thread on meter Connection thread of coupling Weight without coupling Weight with coupling PRESSURE LOSS GRAPH / TYPICAL ERROR GRAPH Pressure loss graph Typical error graph HYDROMETER GmbH • Postfach 1462 • 91505 Ansbach Subject to technical adjustments

CORONA EDN 25 - 40 | HORIZONTAL ELECTRONIC METER | MULTI-JET GENERAL Temperature range DN 25 - 40 | HORIZONTAL 30 (for cold water meter) / 90 (for warm water meter) Ambient operating temperature Ambient storage temperature Nominal pressure Mounting position TECHNICAL DATA Nominal diameter Nominal flow rate Nominal flow rate Overall length Overload flow rate Transition flow rate Minimum flow rate Maximum flow rate (short-term) Transition flow rate Minimum flow rate Starting flow rate Pressure loss at Q3 Flow rate at 1 bar pressure loss (30 °C) APPROVAL Nominal diameter Nominal flow rate...

CORONA EDN 25 - 40 | HORIZONTAL ELECTRONIC METER | MULTI-JET Nominal diameter Nominal flow rate Nominal flow rate Overall length Overall length with coupling Connection thread on meter Connection thread of coupling Flange diameter Hole circle diameter Number of screwholes Screwhole diameter Weight with coupling Weight with flanges Weight without coupling PRESSURE LOSS GRAPH / TYPICAL ERROR GRAPH Pressure loss graph Typical error graph

CORONA EDN 25 - 40 | VERTICAL ELECTRONIC METER | MULTI-JET GENERAL Temperature range DN 25 - 40 | VERTICAL 30 (for cold water meter) / 90 (for warm water meter) Ambient operating temperature Ambient storage temperature Rising pipe, downpipe Nominal pressure Mounting position TECHNICAL DATA Nominal diameter Nominal flow rate Nominal flow rate Overall length Overload flow rate Transition flow rate Minimum flow rate Maximum flow rate (short-term) Transition flow rate Minimum flow rate Starting flow rate Pressure loss at Q3 Flow rate at 1 bar pressure loss (30 °C) APPROVAL Nominal diameter...

ELECTRONIC METER | MULTI-JET Nominal flow rate Nominal flow rate Overall length Overall length with coupling Connection thread on meter Connection thread of coupling Weight without coupling Weight with coupling PRESSURE LOSS GRAPH / TYPICAL ERROR GRAPH Pressure loss graph Typical error graph HYDROMETER GmbH • Postfach 1462 • 91505 Ansbach Subject to technical adjustments