CORONA ER

ELECTRONIC METER | MULTI-JET
CORONA ER
water Water » Multi-Jet |
| Datasheet

Application:

Fully electronic compact water meter with impeller scanning for recording volume. Highly accurate recording of all billing data at medium temperatures up to 90 °C.


Features:

  • Inbuilt radio module 868 MHz
  • 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
  • Rotatable integrator
  • Single-line 7-digit display for easy meter reading


Electronic - Basic features

CORONA ER
Ambient class OIML R49 class C / MID E2 + M1
Protection class IP 54 or IP 68 for cold and warm water meter
Interfaces Optical ZVEI, radio

Technical data display

CORONA ER
Display indication LCD, 7-digit
Unit m³/h - l/h - m³ - l
Total values 99,999.99
Values displayed Flow rate

Supply voltage

CORONA ER
Operating voltage UN VDC 3.0 (lithium battery)
Battery lifetime Up to 12 years
Nominal power PN μW 30

Interfaces - Overview

CORONA ER
Optical ZVEI interface for communication, M-Bus protocol
Radio 868 MHz, real data, Open Metering Standard

Radio interface - Specification

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

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, also overhead

Technical data

Nominal diameter DN mm 15 15 15 20 20 20
Nominal flow rate Q3 m³/h 2.5 2.5 2.5 4 4 4
Overall length L mm 110 130 165 105 130 190
Overload flow rate Q4 m³/h 3.125 3.125 3.125 5 5 5
Transition flow rate Q2 l/h 32 32 32 51 51 51
Minimum flow rate Q1 l/h 201 201 201 321 321 321
Starting flow rate l/h 3 - 4 3 - 4 3 - 4 5 - 6 5 - 6 5 - 6
Pressure loss at Q3 Δp mbar 615 615 615 620 620 620
Flow rate at 0.1 bar pressure loss m³/h 0.962 0.962 0.962 1.607 1.607 1.607

Approval

Nominal diameter DN mm 15 15 15 20 20 20
Nominal flow rate Q3 m³/h 2.5 2.5 2.5 4 4 4
Overall length L mm 110 130 165 105 130 190
MID (LNE 12552 | LNE 13629) - T30
MID (DE-07-MI001-PTB008 | LNE 13629) - T90
Dynamic range (Q3/Q1) R 80 / 100 / 125 80 / 100 / 125 80 / 100 / 125 80 / 100 / 125 80 / 100 / 125 80 / 100 / 125

Dimensions

Nominal diameter DN mm 15 15 15 20 20 20
Nominal flow rate Q3 m³/h 2.5 2.5 2.5 4 4 4
Overall length L mm 110 130 165 105 130 190
Overall length with coupling L2 mm 186 206 241 181 206 266
Connection thread on meter Inch G¾B G¾B G¾B G1B G1B G1B
Connection thread of coupling Inch
Height H mm 20 20 20 20 20 20
Height H1 mm 75 75 75 75 75 75
Width B mm 62 62 62 62 62 62
Weight without coupling kg 0.8 1 1.3 0.8 1 1.5
Weight with coupling kg 1 1.2 1.5 1.3 1.5 2

Pressure loss graph / Typical error graph

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