CORONA E

MULTI-JET METER / ELECTRONIC REGISTER
CORONA E
water Water » Multi-Jet Meter / Electronic Register | Datasheet

Application:

Corona E is an electronic multi-jet compact water meter designed for cold and warm metering (up to 90°C). Corona E has an efficient metrology (up to R125) and can be used on all qualities of water. Corona E is available with differents communications features : MBus or pulse.


Features:

  • Electronic sensor control for accurate flow metering
  • Lithium battery, lifetime 10 years
  • Optical ZVEI interface equiped as standard
  • Adjustable reading date for billing
  • Single-line 7-digit display for easy meter reading


Electronic - Basic features


 

CORONA E
Ambient class OIML R49 class C / MID E2 + M1
Protection class IP 54 or IP 68 for cold and warm water meter
Interfaces standard Optical ZVEI
Interfaces optional* M-Bus, pulse

Display

CORONA E
Display indication LCD, 7-digit
Unit m³/h - l/h - m³ - l
Total values 9,999.999 - 999,999.9 - 99,999.99 - 9,999.999
Values displayed Flow rate

Volume - / Pulse open collector

CORONA E
Max. frequency Hz 90
Max. input voltage V 30
Max. input current mA 27
Max. voltage drop at active output V/mA 2/27
Max. current through inactive output μA/V 5/30
Max. reverse voltage without destroying outputs V 6
Pulse duration ms 5.5
Min. pulse pause ms 5.5

Supply voltage

CORONA E
Operating voltage UN VDC 3.0 (lithium battery)
Battery lifetime 10 years
Nominal power PN μW 30

Interfaces - Overview

CORONA E
Optical ZVEI interface for communication, M-Bus protocol
M-Bus According to EN 1434-3. Data reading and parametriziation are via two wires with polarity reversal protection.
L-Bus Interface for the radio module IZAR RADIO EXTERN
Pulse Output for volume (open collector)

Pulse interface - Specification

CORONA E
Pulse rates l/pulse Decadic 0.1 ... 100
Display 2 digits after comma
Pulse value 1 l/pulse 0.1 (factory setting)
Pulse value 2 l/pulse 1 (factory setting)
Pulse variants Two forward pulses; one forward and one backward pulse; pulse and direction signal

General

DN 15 - 20
Temperature range °C 30 (for cold water meter) / 90 (for warm water meter)
Ambient operating temperature °C 0 ... 55
Ambient storage temperature °C -20 ... 55
Nominal pressure PN bar 10 / 16
Mounting position In any position
Approval - Q32.5 T30 MID (DE-07-MI001-PTB008)
Approval - Q32.5 T90 MID (LNE 12552)
Approval - Q34 T30/T90 MID (LNE 13629)
Dynamic range (Q3/Q1) R 80 / 100 / 125
Approval - Qn1.5 / 2.5 - 30 °C National 6.131 / 97.43
Approval - Qn1.5 / 2.5 - 90 °C National 6.331 / 97.79
Metrological class B / C (only at 110 / 130 mm)

Technical data

Nominal diameter DN mm
Nominal flow rate Q3 m³/h 2.5 4 4
Nominal flow rate Qn m³/h 1.5 2.5 2.5
Overall length L mm 110 130 190
Overload flow rate Q4 m³/h 3.125 5 5
Transition flow rate Q2 l/h 32* 51* 51*
Minimum flow rate Q1 l/h 20 32 32
Maximum flow rate (short-term) Qmax m³/h 3 5 5
Transition flow rate Qt l/h 22.5 37.5 37.5
Minimum flow rate Qmin l/h 15 25 25
Starting flow rate l/h 3 - 4 5 - 6 5 - 6
Pressure loss at Q3 Δp mbar 615 620 620
Flow rate at 0.1 bar pressure loss m³/h 0.962 1.607 1.607

Dimensions

Nominal diameter DN mm
Nominal flow rate Q3 m³/h 2.5 4 4
Nominal flow rate Qn m³/h 1.5 2.5 2.5
Overall length L mm 110 130 190
Nominal diameter DN mm 15 20 20
Overall length with coupling L2 mm 186 206 266
Connection thread on meter Inch G¾B G1B G1B
Connection thread of coupling Inch
Height H mm 20 20 20
Height H1 mm 75 75 75
Diameter Ø B mm 62 62 62
Weight without coupling kg 0.8 1 1.5
Weight with coupling kg 1 1.5 2

Pressure loss graph / typical error graph

Pressure loss graph
Pressure loss graph
Typical error graph
Typical error graph

General

DN 25 - 40 | HORIZONTAL
Temperature range °C 30 (for cold water meter) / 90 (for warm water meter)
Ambient operating temperature °C 0 ... 55
Ambient storage temperature °C -20 ... 55
Nominal pressure PN bar 16
Mounting position Horizontal
Approval MID (LNE 14587)
Dynamic range (Q3/Q1) R 50 / 63 / 80 / 100 / 125 - not at DN 40
Approval - Qn6 / 10 - 30 °C National 6.131 / 97.43
Approval - Qn6 / 10 - 90 °C National 6.331 / 97.79
Metrological class B

Technical data

Nominal diameter DN mm 25 32 40
Nominal flow rate Q3 m³/h 6.3 6.3 10
Nominal flow rate Qn m³/h 6 6 10
Overall length L mm 260 260 300
Overload flow rate Q4 m³/h 7.9 7.9 12.5
Transition flow rate Q2 l/h 50* 50* 100**
Minimum flow rate Q1 l/h 80 80 160
Maximum flow rate (short-term) Qmax m³/h 12 12 20
Transition flow rate Qt l/h 480 480 800
Minimum flow rate Qmin l/h 120 120 200
Starting flow rate l/h 20 20 45
Pressure loss at Q3 Δp mbar 280 280 240
Flow rate at 1 bar pressure loss (30 °C) m³/h 12 12 24

Dimensions

Nominal diameter DN mm 25 32 40
Nominal flow rate Q3 m³/h 6.3 6.3 10
Nominal flow rate Qn m³/h 6 6 10
Overall length L mm 260 260 300
Overall length with coupling L2 mm 378 378 438
Connection thread on meter Inch G1¼B / G1½B G1½B G2B
Connection thread of coupling Inch R1 R1 R1½
Flange diameter D mm 115 - 150
Hole circle diameter K mm 85 - 110
Number of screwholes pcs 4 - 4
Screwhole diameter D1 mm 18 - 18
Height H mm 45 45 50
Height H1 mm 110 110 125
Diameter Ø B mm 62 62 62
Weight without coupling kg 2.9 2.9 5.1
Weight with coupling kg 3.6 3.6 6.0
Weight with flanges kg 4.9 - 8.6

Pressure loss graph / typical error graph

Pressure loss graph
Pressure loss graph
Typical error graph
Typical error graph

General

DN 25 - 40 | VERTICAL
Temperature range °C 5 ... 90
Ambient operating temperature °C 0 ... 55
Ambient storage temperature °C -20 ... 55
Nominal pressure PN bar 16
Mounting position Rising pipe, downpipe
Approval EN 1434 (22.52 / 06.02) / EC type examination certificate (DE-09-MI004-PTB001)

Technical data

Nominal diameter DN mm 25 32 40
Nominal flow rate Q3 m³/h
Nominal flow rate Qn m³/h 6 6 10
Overall length L mm
Maximum flow rate (short-term) Qmax m³/h 12 12 20
Transition flow rate Qt l/h 480 480 800
Minimum flow rate Qmin l/h 90 90 160
Starting flow rate l/h 20 20 45
Flow rate at 1 bar pressure loss (30 °C) m³/h 12 12 22

Dimensions

Nominal diameter DN mm 25 32 40
Nominal flow rate Q3 m³/h
Nominal flow rate Qn m³/h 6 6 10
Overall length L mm
Overall length L mm 150 150 200
Overall length with coupling L2 mm 268 268 338
Connection thread on meter Inch G1¼B G1½B G2B
Connection thread of coupling Inch R1 R1 R1½
Height H mm ?
Height H1 mm 161 161 191
Diameter Ø B mm 62 62 62
Width A mm 146 146 185
Weight without coupling kg 3.1 3.1 5.5
Weight with coupling kg ?

Pressure loss graph / typical error graph

Pressure loss graph
Pressure loss graph
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