AMT MJ-W Series Ammete Oil-Sealed Dial Water Meter – Multi-Jet Semi-Liquid Type Water Meter

Introduction to the AMT MJ-W Series Ammete Water Meter

The AMT MJ-W Series is a Multi-Jet Water Meter featuring Semi-Liquid Sealed Register (oil-filled dial technology), designed for accurate water flow measurement in residential, commercial, and industrial water supply systems.

The key feature of this product line is a display chamber filled with a special protective liquid inside the register, which prevents fogging, reduces scale buildup, and ensures clear readability throughout its service life. It is an ideal solution for areas with high humidity or water containing impurities.

What is an Oil-Sealed Dial Water Meter?

A Semi-Liquid (Oil-Sealed) Water Meter is a type of water meter where the register chamber is filled with a protective liquid that fully isolates the counter from the external environment.

Thanks to this design, the glass remains clear and free from fogging caused by condensation or mineral deposits, ensuring easy and long-term readability.

Compared to standard dry-dial water meters, oil-sealed dial meters offer superior anti-fog performance and maintain excellent visibility even in harsh environmental conditions.

Key Features of the AMT MJ-W Ammete Water Meter

Anti-Fog Oil-Sealed Dial Technology

The display chamber is protected by a special liquid that completely eliminates internal condensation on the glass surface.

Clear Readability in All Conditions

Even in high humidity environments or fluctuating temperatures, the dial remains sharp and easy to read.

High Accuracy with Multi-Jet Technology

The Multi-Jet design distributes water evenly across the measuring mechanism, ensuring stable accuracy across the full flow range.

High Sensitivity at Low Flow Rates

The meter accurately detects and records small flow rates, helping reduce water loss and improve consumption management efficiency.

Stable Magnetic Transmission

The magnetic drive system reduces friction, enhances durability, and ensures long-term measurement stability.

Effective Corrosion Resistance

The product is available with multiple body material options:

• Brass

• Engineering Nylon Plastic

• Epoxy-Coated Cast Iron

Suitable for various environmental conditions and technical requirements.

Technical Specifications

• Model: AMT MJ-W Series Ammete

• Type: Multi-Jet Oil-Sealed Dial Water Meter

• Display Technology: Semi-Liquid Sealed Register

• Body Material Options: Brass / Nylon Plastic / Epoxy-Coated Cast Iron

• Accuracy Class: R80 / R100

• Available Sizes: DN15, DN20, DN25, DN32, DN40, DN50

• Cold Water Temperature: 0°C ~ 30°C or 0°C ~ 50°C

• Hot Water Temperature: 0°C ~ 90°C

• Working Pressure: 1.0 MPa / 1.6 MPa

• Pressure Loss Class: △P63

• Connection Types: G / BSP / NPT

Pulse Output Options

• 1 Pulse = 1 Liter

• 1 Pulse = 10 Liters

• 1 Pulse = 100 Liters

• 1 Pulse = 1000 Liters

Product Size Range

Measurement Accuracy

Accuracy Class R80

• Q1 to Q2: ±5%

• Q2 to Q4: ±2%

Accuracy Class R100

Provides improved accuracy at low flow rates, making it suitable for applications requiring high-precision water consumption monitoring.

Hot Water Meter Accuracy

• Permissible error: ±3%

Installation Guidelines

For maximum accuracy:

• Install the meter in a horizontal position.

• Ensure the register faces upward.

• The flow direction must match the arrow marked on the meter body.

• Flush the pipeline before installation.

• Remove dirt, debris, and foreign particles from the system.

Applications

The AMT MJ-W Oil-Sealed Dial Water Meter is widely used in:

• Domestic water supply systems

• Residential buildings and housing communities

• Office buildings

• Hotels and resorts

• Manufacturing plants

• Industrial zones

• Urban water supply systems

• Remote water consumption monitoring via pulse output

Why Choose the AMT MJ-W Ammete Water Meter?

✔ Superior anti-fog oil-sealed dial technology
✔ Excellent readability in all environmental conditions
✔ High accuracy with Multi-Jet technology
✔ Strong sensitivity at low flow rates
✔ Multiple body material options (brass, plastic, cast iron)
✔ Pulse output available for BMS, SCADA, and IoT systems
✔ Full size range from DN15 to DN50
✔ Long service life with low maintenance cost

The AMT MJ-W Series is a reliable water flow measurement solution for modern water supply systems, especially suitable for high-humidity environments or applications requiring long-term clear dial visibility.