CORONA E

CORONA E

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 to 90 °C.

  • 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
    Ambient classOIML R49 class C / MID E2 + M1
    Protection classIP 54 or IP 68 for cold and warm water meter
    Interfaces standardOptical ZVEI
    Interfaces optional1M-Bus, L-Bus, pulse
    1 Possible combinations
    - M-Bus / pulse / 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 indicationLCD, 7-digit
    Unitm³/h - l/h - m³ - l
    Total values99,999.99
    Values displayedFlow rate
  • Supply voltage
    Operating voltageUNVDC3.0 (lithium battery)
    Battery lifetimeUp to 12 years
    Nominal powerPNμW30
  • Interfaces - Overview
    OpticalZVEI interface for communication, M-Bus protocol
    M-BusAccording to EN 1434-3. Data reading and parametrization are via two wires with polarity reversal protection. (Meter is powered with energy via M-Bus Master)
    L-BusInterface for the radio module IZAR RADIO EXTERN
    PulseOutput for volume
  • Pulse interface - Specification
    Pulse ratesl/pulseDecadic 0.1 ... 100
    Display2 digits after comma
    Pulse value 1l/pulse0.1 (factory setting)
    Pulse value 2l/pulse1 (factory setting)
    Pulse variantsTwo forward pulses; one forward and one backward pulse; pulse and direction signal
    Note: In the field the pulse values can be configured as desired in the specified value range.
  • Volume- / Pulse
    Output typeOpen collector
    Max. frequencyHz90
    Max. input voltageV30
    Max. input currentmA27
    Max. voltage drop at active outputV/mA2/27
    Max. current through inactive outputμA/V5/30
    Max. reverse voltage without destroying outputsV6
    Min. pulse durationms5.5 (at max. frequency of 90 Hz)
    Max. pulse durations2
    Min. pulse pausems5.5
  • General
    Temperature range°C30 (for cold water meter) / 90 (for warm water meter)
    Ambient operating temperature°C1 ... 55
    Ambient storage temperature°C-20 ... 55
    Nominal pressurePNbar10 / 16
    Mounting positionIn any position
  • Technical data
    Nominal diameterDNmm151515202020
    Permanent flow rateQ3m³/h2.52.52.5444
    Overall lengthLmm110130165105130190
    Overload flow rateQ4m³/h3.1253.1253.125555
    Transitional flow rateQ2l/h323232515151
    Minimum flow rateQ1l/h201201201321321321
    Starting flow ratel/h3 - 43 - 43 - 45 - 65 - 65 - 6
    Pressure loss at Q3Δpmbar615615615620620620
    Flow rate at 0.1 bar pressure lossm³/h0.9620.9620.9621.6071.6071.607
    Flow rate at 1 bar pressure loss (30 °C)m³/h
    1 at R 125
  • Approval
    Nominal diameterDNmm151515202020
    Permanent flow rateQ3m³/h2.52.52.5444
    Overall lengthLmm110130165105130190
    MID (DE-07-MI001-PTB008) - T30
    MID (LNE 12552) - T90
    MID (LNE 13629) - T30/T90
    MID (LNE 14587) - T30/T90
    Dynamic range (Q3/Q1)R80 / 100 / 12580 / 100 / 12580 / 100 / 12580 / 100 / 12580 / 100 / 12580 / 100 / 125
  • Dimensions
    Nominal diameterDNmm151515202020
    Permanent flow rateQ3m³/h2.52.52.5444
    Overall lengthLmm110130165105130190
    Overall length with couplingL2mm186206241181206266
    Connection thread on meterInchG¾BG¾BG¾BG1BG1BG1B
    Connection thread of couplingInch
    Flange diameterDmm
    Hole circle diameterKmm
    Number of screwholespcs
    Screwhole diameterD1mm
    HeightHmm202020202020
    HeightH1mm757575757575
    DiameterØ Bmm626262626262
    WidthAmm
    Weight without couplingkg0.811.30.811.5
    Weight with couplingkg11.21.51.31.52
    Weight with flangeskg
  • Pressure loss graph / typical error graph
    Pressure loss graphTypical error graph