*mydirectindustry

Corona ER

Product catalog summary

Application
The CORONA ER 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

Inbuilt 868 MHz radio module
Electronic sensor control for flow rate recording
10-year lithium battery life
Standard optical ZVEI interface
Adjustable billing reading date
Rotatable integrator with a single-line 7-digit display

Basic Features

Ambient class: OIML R49 class C / MID E2 + M1
Protection class: IP 54 or IP 68
Interfaces: Optical ZVEI, radio
Configuration software: HYDRO-SET available online

Technical Data Display

Display: 7-digit LCD
Units: m³/h, l/h, m³, l
Total values: Various ranges up to 9,999.999

Supply Voltage

Operating voltage: 3.0 VDC (lithium battery)
Nominal power: 30 μW

Interfaces Overview

Optical ZVEI interface with M-Bus protocol
Radio: 868 MHz, real data, Open Metering Standard

Radio Interface Specification

Frequency: 868 MHz
Protocol: Real data, open metering
Transmission power: 10 mW
Transmission interval: 64 seconds
Communication: BLUETOOTH OPTOHEAD and HYDRO-SET or IZAR@MOBILE

General Specifications for DN 15 - 20

Temperature range: 30°C (cold) / 90°C (warm)
Ambient operating temperature: 0 to 55°C
Nominal pressure: 10/16 bar
Mounting position: Any, including overhead

Technical Data for DN 15 - 20

Nominal diameter: DN 15 and 20
Nominal flow rate: 2.5 to 4 m³/h
Pressure loss at Q3: 615 to 620 mbar

Approval and Dimensions for DN 15 - 20

Dynamic range: R 80/100/125
Connection threads: G¾B to G1B
Weight: 0.8 to 2 kg depending on configuration

General Specifications for DN 25 - 50 Horizontal

Temperature range: 30°C (cold) / 90°C (warm)
Nominal pressure: 16 bar
Mounting position: Horizontal

Technical Data for DN 25 - 50 Horizontal

Nominal diameter: DN 25 to 50
Nominal flow rate: 6.3 to 10 m³/h
Pressure loss at Q3: 170 to 240 mbar

Approval and Dimensions for DN 25 - 50 Horizontal

Dynamic range: R 50/63/80
Connection threads: G1¼B to G2½B
Weight: 2.9 to 14.2 kg depending on configuration

General Specifications for DN 25 - 40 Vertical

Temperature range: 30°C (cold) / 90°C (warm)
Nominal pressure: 16 bar
Mounting position: Rising pipe, downpipe

Technical Data for DN 25 - 40 Vertical

Nominal diameter: DN 25 to 40
Nominal flow rate: 6.3 to 10 m³/h
Pressure loss at Q3: 170 to 240 mbar

Approval and Dimensions for DN 25 - 40 Vertical

Dynamic range: R 50/63/80
Connection threads: G1¼B to G2B
Weight: 3.1 to 5.5 kg depending on configuration

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 ► Inbuilt radio module 868 MHz ► 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 Ambient class Protection class IP 54 or IP 68 for cold and warm water meter Optical ZVEI, radio 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 lifetime 10 years INTERFACES - OVERVIEW Optical ZVEI interface for communication, M-Bus protocol Radio 868 MHz, real data, Open...

Open the catalog to page 2

CORONA ERDN 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 In any position, also overhead Nominal pressure Mounting position TECHNICAL DATA Nominal diameter Nominal flow rate Overall length Overload flow rate 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 Overall length

Open the catalog to page 3

ELECTRONIC METER | MULTI-JET 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 4

CORONA ERDN 25 - 50 I HORIZONTAL ELECTRONIC METER | MULTI-JET Temperature range Ambient operating temperature Ambient storage temperature Mounting position °C 30 (for cold water meter) / 90 (for warm water meter) TECHNICAL DATA Nominal diameter Nominal flow rate Overall length Overload flow rate Transition flow rate Minimum flow rate Starting flow rate Flow rate at 0.1 bar pressure Nominal diameter Nominal flow rate Overall length HYDROMETER GmbH • Postfach 1462 • 91505 Ansbach Subject to technical adjustments

Open the catalog to page 5

CORONA ERDN 25 - 50 I HORIZONTAL ELECTRONIC METER | MULTI-JET Nominal diameter 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 6

CORONA ERDN 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 Overall length Overload flow rate 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 Overall length MID (LNE 14587) - T30/T90 Dynamic range (Q3/Q1)

Open the catalog to page 7

CORONA ERDN 25-40 | VERTICAL ELECTRONIC METER | MULTI-JET 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 8

Corona ER

Corona ER

Catalog excerpts

All DIEHL Metering catalogs and technical brochures