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WESAN WB 234

Product catalog summary

Application
The WESAN WB 234 bulk water meter is designed for installation at transitions from vertical to horizontal pipes, such as in wells.

Features

Calibratable and exchangeable measuring insert.
Maintains long-term accuracy under extreme conditions.
Extended measuring range for small flow rates beyond standard metrological class specifications.
Head unit with counter and sensors can rotate 350° for easy reading.
Encapsulated counter with glass/copper, IP 68 protection.
Standard integrated measurement outputs.
Retrofit capability for digital and analogue sensors without affecting calibration.
Supports up to two digital outputs and one analogue output simultaneously.

General Specifications

Medium temperature range: 0 to 30°C.
Temperature safety: 0 to 50°C.
Ambient operating and storage temperature: 0 to 55°C.
Nominal pressure: 16 bar.
Protection class: IP 68.

Technical Data

Nominal diameters range from 50 to 200 mm.
Nominal flow rates range from 15 to 250 m³/h.
Permissible continuous load ranges from 25 to 300 m³/h.
Maximum flow rates range from 50 to 600 m³/h.
Transition flow rates range from 1 to 20 m³/h.
Minimum flow rates range from 0.2 to 4 m³/h.
Starting flow rates range from 60 to 370 l/h.
Flow rate at 0.1 bar pressure loss ranges from 25 to 295 m³/h.

Pulse Outputs

Reed switch pulse values vary by nominal diameter, with options for 1 l/pulse and 1000 l/pulse.
Special pulse values available.
IR pulse transmitter available with 1 or 10 l/pulse.

Display Range

Display ranges vary by nominal diameter, with options for 0.5 l to 999,999 m³ and 5.0 l to 9,999,999 m³.

Approval

EC approval codes vary by nominal diameter.
Metrological class B•H for all diameters.

Dimensions

Overall lengths, flange diameters, and other dimensions vary by nominal diameter.
Weight ranges from 14.2 to 130 kg depending on size.

Special Versions

Available with different nominal pressures, flange holes, media compatibility, pulse values, and electronic counter modules.

Graphs

Includes pressure loss and typical error graphs for performance analysis.

Catalog excerpts

BULK WATER METER | WOLTMAN For installation at a transition from a vertical to a horizontal pipe (e.g. in a well). ► Calibratable and exchangeable measuring insert ► Outstanding long-term accuracy even under extreme loads ► Measuring range for small flow rates considerably larger than specified for metrological class ► Complete head unit with counter and sensors can be rotated by 350° for easier reading ► Encapsulated counter of glass/copper IP 68 ► Integrated measurement outputs as standard ► Sensors for remote readout (digital) and flow measurement (analogue) can be retrofitted on site without affecting calibration ► Up to two different digital outputs and one analogue output simultaneously

Open the catalog to page 1

WESAN WB 234 BULK WATER METER | WOLTMAN GENERAL Medium temperature range Temperature safety Ambient operating temperature Ambient storage temperature Nominal pressure Protection class * See also special versions. TECHNICAL DATA Nominal diameter Nominal flow rate (DIN ISO 4064) Permissible continuous load (HY) Transition flow rate Minimum flow rate Maximum flow rate (short-term) Starting flow rate Flow rate at 0.1 bar pressure loss PULSE OUTPUTS Nominal diameter Reed switch 570* - pulse value 1 Reed switch 570* - pulse value 2 Special pulse value * For more information about reed switch 570 and...

Open the catalog to page 2

BULK WATER METER | WOLTMAN Nominal diameter Hole circle diameter K mm Height to remove measuring SPECIAL VERSIONS - Versions with different nominal pressure on request - Special flange holes - For different pulse values - Electronic counter module PRESSURE LOSS GRAPH / TYPICAL ERROR GRAPH Pressure loss graph Typical error graph HYDROMETER GmbH • Postfach 1462 • 91505 Ansbach Subject to technical adjustments

Open the catalog to page 3

WESAN WB 234

WESAN WB 234

Catalog excerpts

All DIEHL Metering catalogs and technical brochures