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Customisation without engineering compromise

At Herholdt Controls, customisation is not a product variant. It is specification-driven engineering. We start from your system architecture and design the meter as a fully coherent module within your electrical and electronic ecosystem. We analyse load curves, accuracy classes, measurement dynamics, environmental conditions, integration constraints, and regulatory requirements. The outcome is not an adapted meter, but a device engineered to operate precisely within your defined operational envelope.

Structured co-engineering, not simple configuration

The process is technical and methodical. Functional and non-functional requirement analysis, electrical specification definition, measurement architecture design (analog front-end, ADC selection, sampling strategy), firmware engineering, communication protocol definition, and system integration logic.

Every technical decision is validated against performance targets, long-term stability, EMC compatibility, and compliance standards. This is a dialogue between engineering teams, driven by data and validation, not commercial compromise.

Hardware, firmware, communication: every layer is customisable

Customisation is not limited to selecting a protocol or modifying an enclosure. It means intervening at the architectural level of the device itself: adapting the electronic design to real load conditions, correctly dimensioning insulation and thermal behaviour, and optimising firmware performance according to the required integration logic.

We can start from a validated platform and deeply modularise it, or develop a fully bespoke solution from the ground up. In both cases, the objective is the same: to ensure the meter becomes a native part of your system architecture, not an external component that needs to be managed or compensated for.

Try our online customiser

Customise Your Energy Meter

Create your custom Energy Meter in a few guided steps. This tool allows you to define the main parameters of your application and generate a preliminary configuration.

Please note that this is a base configuration. Herholdt Controls designs and manufactures fully custom hardware and firmware solutions tailored to OEM requirements. If your project requires specific electrical, mechanical or communication features, ask our engineering team and we will support you directly.

Start configuring your custom meter

Phase

Select the electrical configuration of your application. Choose between single-phase and three-phase architecture depending on your system design.

Additional electrical configurations, special voltage ranges and application-specific adaptations are available upon request.

Imax

Define the maximum current rating required for your installation. The available values represent standard configurations.

For alternative current ranges, extended measurement windows or specific metrological requirements (MID, custom calibration, etc.), contact our engineering team.

Communication Built-in

Select the integrated communication protocol for system integration. Our meters can be configured with different communication standards to ensure compatibility with BMS, EMS, industrial control systems and OEM platforms.

If your project requires customised register maps, firmware adaptation or proprietary protocol integration, we can develop it together.

Additional Features

Enhance your configuration with additional operating capabilities. Extended temperature ranges and other environmental adaptations are available for demanding industrial applications.

Further hardware and firmware customisations, including specific certifications or protective features, can be evaluated during the technical review phase.

Branding

Choose the level of brand integration that fits your business model. From standard ECS neutral configuration to co-branded or full private label solutions, we support OEM strategies with defined technical and certification responsibilities.

For advanced cosmetic or mechanical customisation, our team will assess feasibility and production requirements.

Upload your Logo

Upload your company or brand logo.

Housing Color

Select the preferred housing color for your product line.

Custom color matching, specific materials or mechanical adaptations can be evaluated for medium and high-volume projects.

Label Color

Define the label color configuration.

Full graphic customisation, regulatory markings and multilingual layouts are developed during the industrialization phase.

Summary

Here are the specifications of your Custom Energy Meter.

    Download your product configuration

    Insert your e-mail address to download a .zip file with images and specifications about your custom Energy Meter.

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      Select an option

      From basic functionalities to high performance

      1

      Tariffs inputs

      A link to the grid is made with tariff management (T1 & T2).

      2

      Two configurable pulse output

      They can report: import & export energy, active & reactive energy or T1 & T2.

      3

      Permanent backlighted display

      On the new meters with extended temperature range (70°C), the display is always readable in dark conditions (FVCS).

      4

      Infrared port

      A lateral connection for modular communication modules.

      5

      Integrated resistor for Modbus

      120 Ω integrated resistor to activate the termination on the last meter of a Modbus network.

      6

      Ideal for local energy production

      The meters measure imported & exported energy.

      7

      Password setting

      Administrator can protect meter settings with a password.

      8

      Measurements

      The meters measure active & reactive energy, power, voltage and current.

      Measurements from 40A to 80A

      Single-phase and three-phase meters direct connected and with external current transformers are suitable for most applications in all countries with European standards.

      See our full line-up of products

      MID Certified

      The MID certification allows to install the meters for billing purposes according to Measuring Instruments Directive 2014/32/EU.

      Communication

      Beside the available built-in communications (M-Bus, Modbus, Modbus TCP/IP, CAN, CANopen), Herholdt Controls offers also modular communication modules that can be combined via IR interface with the meter (KNX, LAN-TCP/IP, Wireless M-Bus, Modbus, M-Bus and LoRaWAN).

      Explore Communication products

      Future oriented

      With the CAN and CANopen communication, the extended temperature range meters (up to 70°C) and the new DC meter, Herholdt Controls focuses on up to date applications trends like Energy Storage, Local Electricity Production, Heating & Cooling and E-mobility.

      Fully customisable

      The Herholdt Controls team is willing to offer to its customers the opportunity to customize almost 100% of the meters.

      Try our interactive customiser

      Talk to an expert

      Our engineering task force operates across metering architecture, system integration, and supply chain continuity. Contact the sales team for new OEM developments or technical support for operational analysis and application deep dives.

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