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corona

Product catalog summary

Application
The CORONA E is a fully electronic compact water meter designed for accurate volume recording at medium temperatures up to 90°C. It features impeller scanning for precise billing data collection.

Features

Electronic sensor control for flow rate recording.
Equipped with a lithium battery with a 10-year lifespan.
Standard optical ZVEI interface and adjustable reading date for billing.
Rotatable integrator and a single-line 7-digit display for easy reading.

Basic Features

Ambient class: OIML R49 class C / MID E2 + M1.
Protection class: IP 54 or IP 68 for cold and warm water meters.
Standard interfaces: Optical ZVEI, with optional M-Bus, L-Bus, and pulse interfaces.

Technical Data Display

Display: 7-digit LCD showing flow rate in m³/h, l/h, m³, l.
Total values range from 9,999.999 to 9,999.999.

Supply Voltage

Operating voltage: 3.0 VDC (lithium battery).
Battery lifetime: 10 years.
Nominal power: 30 μW.

Interfaces Overview

Optical ZVEI interface for communication, M-Bus protocol for data reading and parameterization.
L-Bus interface for radio module IZAR RADIO EXTERN.
Pulse output for volume measurement.

Pulse Interface Specification

Pulse rates: Decadic 0.1 to 100 l/pulse.
Factory settings: Pulse value 1 at 0.1 l/pulse, Pulse value 2 at 1 l/pulse.
Configurable pulse values within specified range.

Volume/Pulse

Output type: Open collector with a max frequency of 90 Hz.
Max input voltage: 30 V, max input current: 27 mA.
Min pulse duration: 5.5 ms, max pulse duration: 2 s.

General Specifications for DN 15-20

Temperature range: 30°C for cold water, 90°C for warm water.
Nominal pressure: 10/16 bar, mounting in any position.
Approvals: Various MID and national standards.

Technical Data for DN 15-20

Nominal diameters: 15 mm and 20 mm.
Nominal flow rates: 2.5 m³/h and 4 m³/h.
Pressure loss at Q3: 615 to 620 mbar.

Dimensions for DN 15-20

Overall lengths: 110 mm to 190 mm.
Connection threads: G¾B to G1B.
Weight without coupling: 0.8 kg to 1.5 kg.

General Specifications for DN 25-40 Horizontal

Temperature range: 30°C for cold water, 90°C for warm water.
Nominal pressure: 16 bar, horizontal mounting.
Approvals: MID and national standards.

Technical Data for DN 25-40 Horizontal

Nominal diameters: 25 mm to 40 mm.
Nominal flow rates: 6.3 m³/h to 10 m³/h.
Pressure loss at Q3: 200 to 280 mbar.

Dimensions for DN 25-40 Horizontal

Overall lengths: 175 mm to 300 mm.
Connection threads: G1¼B to G2B.
Weight without coupling: 1.4 kg to 5.1 kg.

General Specifications for DN 25-40 Vertical

Temperature range: 30°C for cold water, 90°C for warm water.
Nominal pressure: 16 bar, mounting in rising or downpipe positions.
Approvals: MID and national standards.

Technical Data for DN 25-40 Vertical

Nominal diameters: 25 mm to 40 mm.
Nominal flow rates: 6.3 m³/h to 10 m³/h.
Pressure loss at Q3: 240 to 280 mbar.

Dimensions for DN 25-40 Vertical

Overall lengths: 150 mm to 200 mm.
Connection threads: G1¼B to G2B.
Weight without coupling: 3.1 kg to 5.5 kg.

Catalog excerpts

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 10 years ► Optical ZVEI interface equipped as standard ► Adjustable reading date for billing ► Single-line 7-digit display for easy meter reading

Open the catalog to page 1

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: HYDRO-SET Software for configuration of meters, readout of measured values and printout of meter logs. Available under www.hydrometer.de (Products - downloads) TECHNICAL DATA DISPLAY Display indication Total values Values displayed Flow rate SUPPLY VOLTAGE Operating voltage UN VDC 3.0 (lithium battery) Battery...

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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

Open the catalog to page 3

ELECTRONIC METER | MULTI-JET Temperature range Ambient operating temperature Ambient storage temperature Nominal pressure Mounting position Metrological class °C 30 (for cold water meter) / 90 (for warm water meter) 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 Flow rate at 0.1 bar pressure HYDROMETER GmbH ■ Postfach 1462 ■ 91505 Ansbach Subject to technical adjustments

Open the catalog to page 4

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

Open the catalog to page 5

ELECTRONIC METER | MULTI-JET Temperature range Ambient operating temperature Ambient storage temperature Nominal pressure Mounting position Metrological class °C 30 (for cold water meter) / 90 (for warm water meter) 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 Flow rate at 1 bar pressure loss HYDROMETER GmbH ■ Postfach 1462 ■ 91505 Ansbach Subject to technical adjustments

Open the catalog to page 6

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 Screwhole diameter Weight without coupling Weight with coupling Weight with flanges PRESSURE LOSS GRAPH / TYPICAL ERROR GRAPH Pressure loss graph Typical error graph HYDROMETER GmbH ■ Postfach 1462 ■ 91505 Ansbach Subject to technical adjustments

Open the catalog to page 7

ELECTRONIC METER | MULTI-JET Temperature range Ambient operating temperature Ambient storage temperature Nominal pressure Mounting position Metrological class °C 30 (for cold water meter) / 90 (for warm water meter) Rising pipe, downpipe 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 Flow rate at 1 bar pressure loss HYDROMETER GmbH ■ Postfach 1462 ■ 91505 Ansbach Subject to technical adjustments

Open the catalog to page 8

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 smart in solutions HYDROMETER GmbH ■ Postfach 1462 ■ 91505 Ansbach Subject to technical adjustments 15.02.2013 9

Open the catalog to page 9

corona

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Catalog excerpts

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