
ModWeigh Processors
Precise and user-friendly weighing solutions
Designed and meticulously manufactured in New Zealand, EMC Weighing's innovative ModWeigh series offers a comprehensive range of continuous (dynamic) weighing processors/integrators and static weighing instruments.
Become a ModWeigh distributor
Are you a weighing machine manufacturer looking to pair your products with a world class range of processors? Email weighing@emc.co.nz with details about your business.


These instruments provide users with a modular system that excels in accuracy, cost-effectiveness, and ease of use.
ModWeigh systems are entirely digital, eliminating potentiometers or dip switches. They offer a combination of low drift and high accuracy, typically achieving better than 0.01%. These systems provide excitation supply (5Vdc) for up to 10 load cells and feature Modbus communications with independent RS232 and RS485 ports.
We are able to provide suitable ModWeigh instrument upgrades for Thermo-Ramsey Belt Scales - find out more here.
Choose ModWeigh for precise and user-friendly weighing solutions that meet the demands of diverse weighing applications with ease and accuracy.
Available models for various applications
- MK61A Weigher System for tanks and silos
- MW64A Batch Weigher System for loadcell based weighing systems
- MW65A Process Weigher System for loadcell based weighing systems
- MK93A Weight Change System for loss-in-weight applications
- MW94A Impact Flowmeter System for flowrate of free flowing solids material
- MK95A Belt Weigher System for measuring and totalising
- MK96A Weigh Feeder System for weigh feeder control
Versatile configuration options
With a range of display options, including built-in or remote transmitters, as well as built-in or remote I/O, and the choice of panel or DIN rail mounting, ModWeigh offers unparalleled versatility. This flexibility allows users to tailor the system precisely to their application requirements, ensuring optimal performance and functionality.
ModWeigh Modular System
This modular system provides flexibility and scalability, allowing users to configure their weighing solution according to their specific requirements, with options for both standalone components and integrated solutions.
The ModWeigh modular system includes:
- MT1 Transmitter
- 4 Load cell terminals
- 1 Digital Input/2 Digital Outputs
- MR1 Input/Output Module
- 8 Digital Inputs/9 Digital Outputs
- 2 Analogue Outputs (4-20mA)
- 1 Analogue Input
- MD1 Large Display
Alternatively, an MP1 Processor (combined Display & Transmitter) can be used as an alternative to the MT1 & MD1.
ModWeigh All-in-One System
This comprehensive all-in-one solution provides users with a compact and integrated system for their weighing needs. With the option to expand functionality using the MO3 Expansion Module, users can customise the system to suit their specific requirements, making it an ideal solution for a wide range of applications.
The ModWeigh all-in-one system includes:
- MP2 Controller
- 1 Digital Input/2 Digital Outputs
- 1 Analogue output (4 – 20mA)
- Optional MO3 Expansion Module for additional inputs/outputs
- 4 Digital Inputs/4 Digital Outputs
- 1 Analogue Input/1 Analogue Output
Common features of ModWeigh processors
These features combine to deliver unmatched accuracy, reliability, and flexibility, making ModWeigh processors ideal for various dynamic and static weighing applications. Whether you're monitoring material flow on a conveyor belt or managing precise batching operations, ModWeigh offers advanced solutions with easy integration into your existing systems.
- Modular & Flexible Design
Offers a range of hardware options with varying display sizes and I/O configurations, enabling flexible integration. - 4-20mA Output
Enables precise control and integration with external systems. - Modbus Communications
Standard Modbus protocol (RS232, RS485) for seamless system integration, with optional Anybus module access for Ethernet/IP, Profinet, CANOpen, and Profibus DPV1. - USB Host & Device
Memory stick & PC support for storing calibration, settings, and logging. - Field Software Upgrades
Easy, no-cost in-situ software upgrades. - Macro Language
Customize printouts, perform arithmetic, and logic calculations with digital inputs/outputs. - Automatic Zeroing
Ensures accurate measurements by compensating for drift. - Batch Control
Accurate control of batching and material handling processes. - Graphics LCD Display
User-friendly interface for visualising data and settings. - Time & Date Clock
For generating accurate timestamps on printouts. - Alarm Function
Alerts operators of critical events or deviations. - Programmable Digital Inputs/Outputs
Flexible integration for system control. - Flexible Power Supply
Operates with a 12-24Vdc power supply. - Setpoint Communication Across Systems
Enables easy communication across multiple connected ModWeigh systems. - Volumetric Mode Operation
Ensures continuous operation in case of load cell or tacho failure. - Inclination Correction (Manual/Automatic)
Corrects scale inclination manually or automatically with an angle transducer. - Load Cell Fault Finding (MT1)
Assists in identifying faults in load cells for quick troubleshooting.
Advantages of ModWeigh systems
These advantages are what set ModWeigh apart in terms of flexibility, serviceability, and advanced functionality, ensuring that your system is tailored to your specific needs while remaining cost-effective and future-proof. Whether you require easy upgrades, seamless communication, or the flexibility to adjust hardware configurations, ModWeigh delivers the performance and reliability your operations demand.
- Modular Design
Interoperable hardware components with a common software base ensure seamless integration and operation. - Cost Efficiency for OEMs
Utilises the same hardware across multiple products, minimizing inventory and costs. - Increased Serviceability
Terminals protected against wiring errors and easily replaceable P-Modules retain calibration and settings. - Customisable Setup
Easy to configure with Modtool software for basic setup and calibration. - Data Concentration
MD1 data concentrator consolidates data from connected systems for centralized access. - Reliable Performance
P-Module transferability and in-situ upgrades ensure ongoing reliability and ease of maintenance. - Scalable Configurations
From three-part options (MD1 + MT1 + MR1) to all-in-one (MP2) systems, adaptable to diverse needs. - User-Focused Interface
Configurable keys and clear setup instructions for easier operation. - Accurate Control
Features such as PI control with feedforward ensure fast response and precise material handling. - Error-Free Service
Address Select Terminal (ADS) prevents bus address conflicts during hardware swaps, improving serviceability and reducing downtime.
ModWeigh Processor models
EMC ModWeigh MW61A
Loadcell Processor
- Static Weighing – Designed for non-moving weight measurement applications.
- Peak Reading Function – Captures and displays the maximum weight value.
- Silo & Tank Weighing, Platform Scales, Check Weighing – Primarily used for stationary weight measurements.
The ModWeigh MW61A Loadcell Processor is designed to meet the demands of diverse static weighing applications, offering reliability, accuracy, ease of use, and versatile functionality with essential features for precise measurements.
EMC Modweigh MW64A
Batch Weigher Processor
- Single, Two, or Three-Speed Batching Control – Adjusts speed for bulk, fast, or slow flow.
- Multi-Batch Option – Repeats batching to achieve larger batch weights than hopper capacity.
- USB Host & Device – Allows data transfer between memory sticks and PCs.
The ModWeigh MW64A Batch Weigher Processor offers unparalleled precision and control in batching operations, making it an indispensable tool for industries requiring accurate and efficient weighing solutions. Designed with cutting-edge technology, it is compatible with most load cell-based weighing systems and provides seamless control over the filling and discharge of products in and out of a weigh hopper, with versatile configurations for batching and precise management of dump or discharge gates.
EMC ModWeigh MW65A
Process Weigher Processor
- Process Weighing System – Controls filling and discharge cycles with batch weight and flowrate setpoints.
- Batch Weight Control – Stops the cycle once a preset weight is reached.
The ModWeigh MW65 Process Weigher System represents cutting-edge weighing technology, offering advanced control and unparalleled precision for process weighing applications. Compatible with most load cell-based systems, it precisely manages the filling and discharge of products in and out of a weigh hopper, totalises material throughput, measures flowrate, and allows for batch weight and flowrate setpoints to regulate process speed and ensure accurate, efficient operation.
EMC ModWeigh MW93A
Loss in Weight Processor
- Flowrate Control for Weighfeeders – Specifically supports continuous material flow applications.
- Output to Flow Control Variable Speed Drive – Enables real-time adjustment of material flow speed.
- Ratio Blending of Products – Allows for precise mixing of multiple materials.
The ModWeigh MW93A Loss in Weight Processor is specifically designed for dynamic weighing systems, offering advanced functionality, reliability, and precise flowrate measurement and control for industries requiring high accuracy.
EMC ModWeigh MW94A
Impact Flowmeter Processor
- Impact Force-Based Flowrate Measurement – Calculates flow based on the impact force of free-flowing materials.
- Removable P-Module – Simplifies calibration management.
- Flexible Digital Inputs/Outputs (4 or 8 options) – Provides additional customization options.
The ModWeigh MW94 Impact Weigher System offers advanced features and unparalleled accuracy for measuring the flowrate of free-flowing solids materials. It operates by detecting the impact force generated when material strikes a plate, converting this force into a flowrate and integrating the data to provide a total weight, making it an indispensable tool for industries requiring precise measurement and control.
EMC ModWeigh MK95A & MW95A
Belt Weigher Processors
- Specifically designed for belt weighing applications.
- Batching Feature – Supports batch control for precise material handling.
- Platform Weight Output (with MR1 option) – Additional weighing capabilities.
- Setpoint Input (with MR1 option) – Allows for configuration of setpoints and thresholds.
The EMC ModWeigh MK95A and MW95A Belt Weigher Processors offers comprehensive functionality tailored for belt weighers, ensuring accurate flowrate measurement and efficient operation.
EMC ModWeigh MW96A
Weighfeeder Processor
- Flowrate Control for Weighfeeders – Specifically supports continuous material flow applications.
- Output to Flow Control Variable Speed Drive – Enables real-time adjustment of material flow speed.
- Ratio Blending of Products – Allows for precise mixing of multiple materials.
- Motor Speed Control Output Signal – Direct integration with motorized flow control.
The ModWeigh MW96A Weighfeeder Processor offers advanced functionality, comprehensive features, and reliability, making it an ideal choice for industries requiring precise flowrate measurement and control in weighfeeder systems.
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Proven expertise, global reach
With a legacy dating back to 1973, we've delivered thousands of reliable weighing systems and solutions across New Zealand and worldwide. Our extensive hands-on experience ensures that every system we create is built for durability, precision and the unique needs of diverse industries.