WESAN WP E

Electronic Meter | Woltman
WESAN WP E
water Water » Woltman |
| Datasheet
Application:

Fully electronic bulk water meter for measuring the flow (cold water up to 30 °C) in supply lines with high flow at low pressure loss. Highly accurate recording of all billing data.

Features:
  • Calibratable and exchangeable measuring insert
  • 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
  • For horizontal and vertical installation

Electronic - Basic features

WESAN WP E
Ambient class OIML R49 class C / MID E2 + M1
Protection class IP 54 or IP 68
Interfaces standard Optical ZVEI
Interfaces optional* M-Bus, L-Bus, pulse

Display

WESAN WP 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

WESAN WP 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

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

Interfaces - Overview

WESAN WP 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

WESAN WP E
DN 50 - 125 | Pulse rates l/pulse Decadic 1 ... 1000
DN 50 - 125 | Display 1 digit after comma
DN 50 - 125 | Pulse value 1 l/pulse 1 (factory setting)
DN 50 - 125 | Pulse value 2 l/pulse 100 (factory setting)
DN 150 | Pulse rates l/pulse Decadic 10 ... 10000
DN 150 | Display 0 digits after comma
DN 150 | Pulse value 1 l/pulse 10 (factory setting)
DN 150 | Pulse value 2 l/pulse 1000 (factory setting)
Pulse variants Two forward pulses; one forward and one backward pulse; pulse and direction signal

General

WESAN WP E
Temperature range °C 0 ... 30
Temperature safety °C 0 ... 50
Ambient operating temperature °C 0 ... 55
Ambient storage temperature °C 0 ... 55
Nominal pressure PN bar 16*

Technical data

Nominal diameter DN mm 50 65 80 100 125 150 200 250 300 400 500 mm DN Nominal diameter
Permanent flow rate Q3 m³/h 40 63 100 160 160 - - - - - - m³/h Q3 Permanent flow rate
Minimum flow rate Q1 m³/h 0.63 0.63 1 1.6 1.6 - - - - - - m³/h Q1 Minimum flow rate
Transitional flow rate Q2 m³/h 1.02 1.01 1.6 2.56 2.56 - - - - - - m³/h Q2 Transitional flow rate
Overload flow rate Q4 m³/h 50 78.75 125 200 200 - - - - - - m³/h Q4 Overload flow rate
Nominal flow rate (DIN ISO 4064) Qn m³/h 15 25 40 60 100 150 250 400 600 1000 1500 m³/h Qn Nominal flow rate (DIN ISO 4064)
Minimum flow rate horizontal Qmin m³/h 0.35 0.45 0.5 0.6 0.6 1.8 4 12 18 30 45 m³/h Qmin Minimum flow rate horizontal
Minimum flow rate vertical Qmin m³/h 0.4 0.5 0.5 0.6 0.6 1.8 4 - - - - m³/h Qmin Minimum flow rate vertical
Transition flow rate horizontal Qt m³/h 1 1.2 0.8 1.8 2 4 6 20 50 50 80 m³/h Qt Transition flow rate horizontal
Transition flow rate vertical Qt m³/h 1.8 2 0.8 1.8 2 4 6 - - - - m³/h Qt Transition flow rate vertical
Maximum flow rate (short-term) Qmax m³/h 90 120 200 300 350 350 650 1200 1500 2800 4200 m³/h Qmax Maximum flow rate (short-term)
Starting flow rate l/h 90 130 160 190 190 1500 2500 5000 10000 15000 20000 l/h Starting flow rate
Flow rate at 0.1 bar pressure loss m³/h 35 63 115 115 105 310 550 800 1250 3000 6000 m³/h Flow rate at 0.1 bar pressure loss
Pressure loss at Q3 bar 0.25 0.16 0.25 0.4 0.4 - - - - - - bar Pressure loss at Q3

Approval

Nominal diameter DN mm 50 65 80 100 125 150 200 250 300 400 500 mm DN Nominal diameter
National 6.132 / 92.08 6.132 / 92.08 6.132 / 03.20 6.132 / 03.20 6.132 / 03.20 6.132 / 03.21 6.132 / 03.21 6.132 / 06.24 6.132 / 06.24 6.132 / 92.07 6.132 / 92.07 National
Metrological class B•H B•H B B B B B B B B B Metrological class
MID (DE-13-MI001-PTB005) • • • • • - - - - - - MID (DE-13-MI001-PTB005)
Dynamic range (Q3/Q1) R* 63•H 100•H 100 100 100 - - - - - - R* Dynamic range (Q3/Q1)

Dimensions

Nominal diameter DN mm 50 65 80 100 125 150 200 250 300 400 500 mm DN Nominal diameter
Overall length L mm 200 / 3001 200 2001/ 225 / 3501 250 / 3501 250 300 350 450 500 500 500 mm L Overall length
Flange diameter D mm 165 185 200 220 250 285 340 405 460 580 715 mm D Flange diameter
Hole circle diameter PN 10 / PN 16 K mm - / 125 - / 145 160 / 160 - / 180 - / 210 - / 240 295 / 295 350 / 355 400 / 410 515 / 525 620 / 650 mm K Hole circle diameter PN 10 / PN 16
Number of screwholes PN 10 / PN 16 pcs - / 4 - / 4 4 / 8 - / 8 - / 8 - / 8 8 / 12 12 / 12 12 / 12 16 / 16 20 / 20 pcs Number of screwholes PN 10 / PN 16
Screwhole diameter PN 10 / PN 16 D1 mm - / 18 - / 18 18 / 18 - / 18 - / 18 - / 22 22 / 22 23 / 27 23 / 27 27 / 30 27 / 33 mm D1 Screwhole diameter PN 10 / PN 16
Height H mm 75 83 89 105 115 135 163 193 230 290 360 mm H Height
Height H1 mm 123 123 154 154 154 245 245 242 290 311 361 mm H1 Height
Height to remove measuring insert mm 225 225 275 275 275 475 475 472 520 580 660 mm Height to remove measuring insert
Meter width mm 155 155 200 220 250 285 340 405 460 580 715 mm Meter width
Diameter Ø B mm 110 110 110 110 110 110 110 110 110 110 110 mm Ø B Diameter
Weight kg 10.2 11.2 13 13 21.5 39 47 75 165 190 300 kg Weight

Special versions

- Versions with different nominal pressure on request

- Flange for ANSI and BS on request

- CuZn parts in V2A on request

- Temperature up to 90 °C on request

- Special pulse values on request

Pressure loss graph / Typical error graph

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