WESAN WP H E

WESAN WP H E

ELECTRONIC METER | WOLTMAN

Electronic bulk water meter for extracting water from underground and stand hydrants.

  • Electronic sensor control for recording flow rate
  • Lithium battery, lifetime up to 12 years
  • Optical ZVEI interface equipped as standard
  • Rotatable integrator
  • Single-line 7-digit display for easy meter reading
  • Outstanding long-term accuracy through hydraulic bearing relief
  • Version thread or solid coupling
  • Electronic - Basic Features
    Ambient classOIML R49 class C / MID E2 + M1
    Protection classIP 54 or IP 68
    Interfaces standardOptical ZVEI
    Interfaces optionalM-Bus / pulse / pulse
    Note: HYDRO-SET Software for configuration of meters, readout of measured values and printout of meter logs. Available under www.diehl.com/metering (Products - downloads)
  • Display
    Display indicationLCD, 7-digit
    Unitm³/h - l/h - m³ - l
    Total values9,999.999 - 999,999.9 - 99,999.99 - 9,999.999
    Values displayedFlow rate
  • Volume - / Pulse Open 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
    Pulse durationms5.5
    Min. pulse pausems5.5
  • Supply Voltage
    Operating voltageUNVDC3.0 (lithium battery)
    Battery lifetime12 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.
    PulseOutput for volume (open collector)
  • Pulse Interface - Specification
    Pulse ratesl/pulseDecadic 1 ... 1000
    Display1 digit after comma
    Pulse value 1l/pulse1 (factory setting)
    Pulse value 2l/pulse100 (factory setting)
    Pulse variantsTwo forward pulses (factory setting)
  • General
    Temperature range°C1 ... 30
    Temperature safety°C1 ... 50
    Ambient operating temperature°C1 ... 55
    Ambient storage temperature°C1 ... 55
    Nominal pressurePNbar16
    Display range0.5 l ... 999,999 m³
  • Technical Data
    Nominal diameterDNmm50
    Permanent flow rateQ3m³/h40
    Overload flow rateQ4m³/h50
    Transitional flow rateQ2m³/h1.02
    Minimum flow rateQ1m³/h0.63
    Starting flow ratel/h90
    Flow rate at 0.1 bar pressure lossm³/h35
  • Approval
    Nominal diameterDNmm50
    MID (DE-13-MI001-PTB005)
  • Dimensions
    Nominal diameterDNmm50
    Overall lengthLmm200
    Overall length with couplingL2mm245
    Connection thread on meterInchG2
    Solid couplingC
    HeightHmm82
    HeightH1mm140
    DiameterØ Bmm110
    Width with carrying devicemm180
    Weight - version threadkg4.3
    Weight - version solid couplingkg4.8
  • Special versions

    - With B or C coupling on request
    - With non-return valve on request

  • Pressure loss graph / Typical error graph
    Pressure loss graphTypical error graph