Water meter

Name: Water meter
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An Etatron water meter is a high-precision mechanical water meter produced by Etatron D.S. (Italy). This water volume meter line includes two main configurations: threaded connections from DN15 to DN40 and flanged connections from DN50 to DN150, to fit various line sizes. It measures cold water, hot water, and industrial process fluids. Unlike simpler meters, this water meter device uses a magnetic drive mechanism with dry or wet dial options and can integrate a Reed pulse emitter for automated monitoring.

Brand: Etatron

Product Type: Measuring devices

PRODUCT FEATURES

Uses a magnetic drive mechanism to isolate the register counter from the fluid medium, increasing operational stability and durability.
Supports an optional Reed pulse transmitter to output flow signals directly to monitoring and automation systems such as BMS or SCADA, with preconfigured pulse-mounting locations for future expansion.
Features a dry dial register as standard to prevent clouding or fogging; wet dial options are available upon request.
Designed with a fully rotatable dial register for easy reading across various installation orientations and space constraints.
Delivers a low starting flow rate, wide measuring range, and low head loss, maintaining consistent accuracy during continuous operation.
Provides resistance against external magnetic interference in compliance with EN 14154-3 standards.
Built with a modular structure featuring a removable measuring element, simplifying routine inspection and maintenance.
Certified under CE and ISO 9001:2015 standards.

SPECIFICATIONS

Nominal diameter

DN15 – DN150
Connection type

Threaded (DN15 – DN40) /
Flange (DN50 – DN150)
Continuous flow rate

2.5–250 m³/h
Overload capacity

3.125–20 m³/h
Transition flow rate with measuring range R80H (MPE ±2%)

50–320 l/h
Minimum flow rate with measuring range R80H (MPE ±5%)

31.25–200 l/h
Sensitivity with measuring range R80H

5–25 l/h
Accuracy class

2
Pressure loss

0.63 bar
Maximum permissible operating pressure

16 bar
Minimum/maximum dial indication range

0.0001–100,000 m³
Pulses

10 liter–1000 liter (depend on DN)
Installation length

110–350 mm
Height when in operation

70–357 mm

In practical engineering, selecting an industrial water meter depends on pipeline size, operating flow rates, working temperature, system pressure, and monitoring needs. Each Etatron model is designed for specific environments, from municipal clean water lines to demanding industrial processes.

The following sections outline the technical parameters, internal construction, key advantages, and operational scope of Etatron flow meters. This serves as a reliable basis for engineering selection and system integration.

1. Technical specifications of Etatron mechanical water meters

Etatron clean water measurement units come in various nominal sizes and configurations to meet flow metering demands from small-scale applications to heavy industry. The technical summary tables below from ATS Water Technology detail the key engineering parameters for both threaded and flanged configurations, assisting in system design, selection, and comparative evaluation.

Threaded Etatron water meter specifications (DN15 – DN40)

SPECIFICATION	DN15 (1/2″)	DN20 (3/4″)	DN25 (1″)	DN32 (1¼″)	DN40 (1½″)
Continuous flow rate	2.5 m³/h	4.0 m³/h	6.3 m³/h	10 m³/h	16 m³/h
Overload capacity	3.125 m³/h	5.0 m³/h	7.875 m³/h	12.5 m³/h	20 m³/h
Transition flow rate with measuring range R80H (MPE ±2%)	50 l/h	80 l/h	126 l/h	200 l/h	320 l/h
Minimum flow rate with measuring range R80H (MPE ±5%)	31.25 l/h	50 l/h	78.75 l/h	125 l/h	200 l/h
Sensitivity with measuring range R80H	5 l/h	8 l/h	20 l/h	20 l/h	25 l/h
Accuracy class	2
Pressure loss (ΔP)	0.63 bar
Maximum permissible operating pressure	16 bar
Minimum/maximum dial indication range	0.0001 / 100,000 m³
Length of meter without fittings	110–160 mm	130 mm	160 mm	160 mm	160 mm
Length of meter with fittings	195–250 mm	228 mm	260 mm	280 mm	340 mm
Maximum overall diameter	72 mm	72 mm	100 mm	100 mm	110 mm
Height when in operation	70 mm	74 mm	128 mm	128 mm	142 mm
Height to tube	16 mm	19 mm	34 mm	34 mm	42 mm

Flanged Etatron water meter specifications (DN50 – DN150)

SPECIFICATION	DN50 (2″)	DN65 (2½”)	DN80 (3″)	DN100 (4″)	DN150 (6″)
Flow rate	25 m³/h	40 m³/h	63 m³/h	100 m³/h	250 m³/h
1 pulse 10 l	Std	Std	Std	–	–
1 pulse 1000 l	–	–	–	Std	Std
Length	200 mm	200 mm	225 / 200 mm	250 mm	350 mm
Height to tube	72 mm	83 mm	95 mm	105 mm	160 mm
Height (H)	194.5 mm	205.5 mm	226 mm	236 mm	357 mm
Height (H1)*	271.5 mm	282.5 mm	303 mm	313 mm	434.1 mm
Flange diameter	165 mm	185 mm	200 mm	220 mm	340 mm

Note:

*: Space for measuring insert removal.

When selecting the appropriate water meter DN size and reviewing water meter dimensions, operators must evaluate both the continuous flow capacity (Q3) and the minimum flow threshold (Q1). This ensures accurate measurement during peak and off-peak conditions.

2. Operating principle and construction of Etatron water meters

Understanding how a water meter works in an industrial loop begins with its internal mechanism. Etatron units operate on the axial Woltman turbine principle. As water flows through the meter body, the fluid velocity drives an internal turbine wheel, converting flow speed into proportional rotational movement.

This rotational movement is magnetically coupled to the register mechanism. The register counter is sealed in a dry chamber isolated from water flow, keeping the dial clear and preventing condensation, clouding, or jamming from suspended solids and impurities.

For systems that require signal transmission, the water meter components include an integrated Reed-switch pulse transmitter. Each swept volume generates a discrete electrical pulse, allowing integration with data loggers, PLCs, or remote monitoring panels.

đồng hồ đo lưu lượng nước Etatron dạng nối ren

3. Advantages of Etatron flow measurement meters

Compared with standard meters, it is highly rated in industrial applications for operational stability, measurement accuracy, and flexibility in integration with distribution networks and SCADA systems.

Outstanding low-flow sensitivity, serving as an accurate water usage meter even at minimal flow thresholds.
Compared with narrower-range meters, it offers a wide dynamic measuring range, minimizing error margins under fluctuating flow rates as a reliable water consumption meter.
Compared with conventional designs, it delivers low head loss due to an optimized turbine profile, preventing noticeable pressure drops across the pipeline.
Stable magnetic drive mechanism that isolates internal register parts from fluid exposure, extending service life.
Supports Reed pulse integration to convert volumetric throughput into electrical signals for real-time process monitoring.
Flexible pulse weight options (e.g., 1, 10, 100, or 1000 liters per pulse) tailored to specific automation requirements.
Magnetic tampering protection meeting EN 14154-3, ensuring reliable operation as a volumetric water meter in high-interference industrial environments.
Compared with fixed-register designs, it allows easy inspection and maintenance via a rotatable dial face and modular, drop-in insert design.
Fully compliant with international standards, including CE and ISO 9001:2015, guaranteeing manufacturing quality and site reliability.

4. Certifications of Etatron water meter

Etatron units are manufactured and quality-controlled under strict international standards to meet demanding utility and industrial requirements, unlike non-certified products with less consistent oversight:

CE marking: Confirms compliance with European Union health, safety, and electromagnetic compatibility regulations.
ISO 9001:2015: Guarantees that design, manufacturing, and quality assurance processes operate under a recognized quality management system.
EN 14154 compliance: Validates metrological accuracy, mechanical durability, and resistance to external magnetic fields during operation.

5. Applications of industrial water meter

Compared with less robust meters, this water meter application scope spans multiple sectors and system types thanks to robust construction and stable performance under varying conditions:

Clean water management and distribution across municipal networks, industrial parks, and commercial facilities.
Boiler feed and heating loops, with high-temperature variants rated up to 130°C suitable for thermal fluid circulation and hot water monitoring.
Chemical manufacturing processes utilizing optional Teflon-lined bodies, enabling accurate measurement of aggressive or corrosive fluids where standard types of water meters fail.

đồng hồ nước công nghiệp Etatron dạng nối bích

6. Quotation for Etatron mechanical clean water meters

Pricing for genuine Etatron units reflects technical configuration, operating conditions, and site specifications. Key cost factors include:

Nominal line size from DN15 to DN150 to match pipeline hydraulics.
Connection style: BSP threaded or PN-rated flanged connections.
Temperature rating: cold water, hot water, or high-temperature heating lines up to 130°C.
Optional Reed pulse emitters for automated data logging and control.
Special material upgrades, such as Teflon lining for corrosive fluid lines.

ATS Water Technology provides comprehensive water meter solutions and updated pricing based on your project specifications and import schedules. Contact our technical sales team for a tailored proposal.

7. Where to buy genuine Etatron water meters

To ensure genuine equipment performance, clear origin documentation, and full manufacturer warranty support, facility owners should partner with an official distributor in Vietnam rather than an unofficial source.

ATS Water Technology is the authorized distribution representative for Etatron products, offering both threaded and flanged models across the full size spectrum from DN15 to DN150.

When evaluating what water meter compliance is required for your facility, ATS Water Technology guarantees:

100% genuine Etatron equipment imported directly from Etatron D.S. S.p.A (Italy).
Full documentation packages, including CO, CQ, and European origin certificates.
In-depth engineering support to select the correct model for specific hydraulic profiles.
Full warranty support, site inspection, and installation guidance following manufacturer specifications.

With extensive expertise in industrial water treatment and fluid management, ATS Water Technology matches technical specs with real-world operating conditions. This ensures system compatibility, long-term stability, and peace of mind when deploying Etatron industrial flow meters.

ATS WATER TECHNOLOGY CO., LTD