ULYS and GridWatch solutions combine hardware, software and configurable sensors to give COOs and facility leaders clear, actionable visibility across one location—or a fleet.
ULYS and GridWatch solutions are designed for multi-site energy and reliability visibility. We help you define what to monitor, where, and how to roll it out—so you get actionable insight without overbuilding.
Clear visibility beats reactive maintenance. ULYS and GridWatch products turn your power data into faster troubleshooting and smarter maintenance priorities.
Turn raw electrical data into clear actions—what changed, where, and what it's costing you.
Spot overheating, imbalance, and abnormal behavior early—before it becomes a failure or outage.
Standardize dashboards, alerts, and reporting across sites for consistent operations and benchmarking.
ULYS and GridWatch are sold as hardware + software, with sensor type and count sized to your facility(s) and rollout plan.
Field-ready monitoring device(s) built for reliable, continuous data capture.
Electrical and optional environmental sensors sized to your loads, panels, and critical points.
Dashboards, trends, and alarm workflows that make the data usable for decisions.
GridWatch, and some ULYs devices, support fleet-level supervision so you can monitor many sites from one place—especially useful for multi-location operators like utilities, grocery, retail, and distributed commercial facilities.
Administer many units simultaneously with a consolidated view of health, status, and trends.
Visualize equipped sites on a map to understand coverage and prioritize response.
Push updates and configuration changes without rolling trucks for routine changes.
These are the core component families. Final configuration depends on your feeders, sensor needs, communications, and how you want to manage sites.
Monitor LV/MV/HV networks
MEMO P200
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The MEMO P200 power monitor is a simple, high-performance instrument, providing a clear, immediate view of your electrical network's status.
Other specifications: see detailed technical documentation. |
ENERIUM 50 S485 + Pulse
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The ENERIUM50 power monitor can be used to optimize energy management by storing the consumption data, the load curve and the supervision of the electrical installation by time/date-stamped recording of events on the electrical quantities or on-off inputs. The built-in Ethernet or Modbus RS485 output enables remote operation and control of the product, and its on-off or analog inputs/outputs mean it can interface very simply with supervision or control architectures.
Other specifications: see detailed technical documentation |
ENERIUM 100 RS485
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The ENERIUM100 power monitor can be used to monitor electrical installations by implementing trend curves triggered by alarms on the electrical quantities or the signals. The built-in Modbus RS485 enables you to use and operate the product remotely.
Other specifications: see detailed technical documentation |
ENERIUM 150 RS485 + Pulse
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The ENERIUM150 power monitor can be used to optimize energy management by storing the consumption monitoring data, the load curve, and the supervision of the electrical installation by starting trend curves triggered by alarms on the electrical quantities or the signals. The built-in Modbus RS485 enables you to use and operate the product remotely, and its on-off outputs mean it can interface very simply with supervision or control architectures.
Other specifications: see detailed technical documentation |
ENERIUM 200 RS485 + Pulse
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The ENERIUM200 power monitor can be used to optimize energy management by storing the consumption data, the load curve, and the supervision of the electrical installation by starting trend curves triggered by alarms on the electrical quantities or the signals. The built-in Modbus RS485 enables you to use and operate the product remotely, and its on-off Inputs/Outputs mean it can interface very simply with a supervision or control architecture .
Other specifications: see detailed technical documentation |
ENERIUM 300 RS485
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In addition to the energy management and supervision functions of a classic power monitor, the ENERIUM300 can be used for detailed analysis of electrical power quality. The ENERIUM300 ensures that the main electrical quantities comply with the EN50160 reference standard template, which is customizable. The ENERIUM300 records and time/date-stamps the events combining voltage dips, outages and surges, enabling the phenomena occurring on the network to be identified later, backed by the waveform recording. The built-in Modbus RS485 enables you to use and operate the product remotely.
Other specifications: see detailed technical documentation |
Simple metering
MEMO MD32
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MEMO MD32 is one of our economical solutions for measuring active energy consumption on a single-phase 230 VAC network. Its compact dimensions (1 DIN module) make it easy to install in an electrical control box.
Other specifications: contact us with questions. |
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MEMO MD65
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MEMO MD65 is one of our economical solutions for measuring active energy consumption on a single-phase 230 VAC network. Its compact dimensions (2 DIN modules) makes it easy to install in an electrical control box.
Other specifications: contact us with questions. |
MEMO TD80
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MEMO TD80 is one of our economical solutions for measuring active energy consumption on a 230/400 VAC 4-wire three-phase electrical network.
Other specifications: contact us with questions. |
Advanced metering + comms options
ULYS MD45-M
MD45-M Modbus |
ULYS MD45-M is dedicated to measurement and rebilling of energy consumption on single-phase 230 VAC networks up to 45 A.
Other specifications: contact us with questions. |
ULYS MD100-M
MD100-M Modbus |
ULYS MD100-M and ULYS MD100-Modbus are dedicated to measurement and rebilling of energy consumption on single-phase 230 Vac networks up to 100A.
Other specifications: contact us with questions. |
ULYS TDA80-M
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ULYS TDA80-M is designed for energy management applications with electricity rebilling on a private distribution network (MID certification mandatory) and usable locally via its screen or remotely via its pulse outputs.
Other specifications: contact us with questions. |
ULYS TD80-M Modbus
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**ULYS TD80-M Modbus* is designed for energy management applications with electricity rebilling on a private distribution network (MID certification mandatory) and usable locally with its screen or remotely via its built-in communication.
The built-in RS485 communication provides a direct interface between these meters and our Elog datalogger supervised by the E.ONLINE energy management software or with any third-party system (e.g. PLC, TBM, CTM, etc.) |
ULYS TTD80-M Ethernet
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The ULYS TD80-M Ethernet meter is an innovative, comprehensive tool for advanced supervision of an electrical feeder in a compact format (4 DIN modules):
The integrated Modbus TCP communication provides a direct interface between these meters and our Elog datalogger supervised by the E.ONLINE energy management system, or with any third-party system (e.g. PLC, TBM, CTM, etc.) |
ULYS TTA-M
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The ULYS TTA-M is designed for energy management applications with electricity rebilling on a private distribution network (MID certification mandatory) and usable locally via its screen or remotely via its pulse outputs.
The built-in RS485 communication provides a direct interface between these meters and our Elog datalogger supervised by the E.ONLINE energy management software or with any third-party system (e.g. PLC, TBM, CTM, etc.) |
ULYS TT-M Modbus
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The ULYS TT-M Modbus is designed for energy management applications with electricity rebilling on a private distribution network (MID certification mandatory) and usable locally with its screen or remotely via its built-in communication.
The built-in RS485 communication provides a direct interface between these meters and our Elog datalogger supervised by the E.ONLINE energy management software or with any third-party system (e.g. PLC, TBM, CTM, etc.) |
ULYS TT-M Ethernet
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The ULYS TT-M Ethernet meter is a comprehensive, innovative tool for advanced supervision of electrical feeders in a compact unit (4 DIN modules):
The integrated Modbus TCP communication provides a direct interface between these meters and our Elog datalogger supervised by the E.ONLINE energy management system, or with any third-party system (e.g. PLC, TBM, CTM, etc.) |
Centralize multiple feeders
ULYS-MCM9
ULYS-MCM18 ULYS-MCMD |
Ulys MCM is an innovative solution for centralizing the measurement of multiple electrical feeders:
The integrated Modbus TCP communication provides a direct interface between these meters and our Elog datalogger supervised by the E.ONLINE energy management system, or with any third-party system (e.g. PLC, TBM, CTM, etc.) |
Miniflex flexible sensors
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Our Miniflex flexible sensors using Rogowski technology offer an ideal solution for connection to high currents and/or multiple conductors (particularly the general feeders of installations).
(Models 400D and 4000D) are flexible-sensor current meters designed to deliver fast, direct, True RMS AC current readings in places where rigid jaws can't reach. It's compact, simple to operate, and ideal for troubleshooting and verification inside crowded panels and cabinets. |
Choose the right model based on monitoring scope, alerting needs, and how you plan to scale across locations.
| Models | GridWatch C100 | GridWatch C200 | GridWatch C50 |
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| Designed for | Baseline monitoring and capacity validation. Advanced capabilities like local logging, alarm publishing, sensor signal processing, gateway functions, and onboard configuration/visualization pages |
Adds advanced logging, alarms, and fleet-ready configuration tools. Adds capabilities geared toward anticipating failures/aging and steering maintenance planning, with expanded I/O availability and a local display option depending on configuration. |
Scalable feeder monitoring and portfolio consistency—standardize dashboards and alerting across sites, with a lightweight path to expand coverage over time. 9 three-phase channels |
| Measurement and analysis of the behavior of cabin station equipment | |||
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Transformer monitoring: Electrical measurement and metering on the secondary of the general MV/LV transformer |
3P+N voltage socket on feed terminal strip Quick-install current socket for Rogowski sensor (diameter 200 mm) Quantities measured: V, U, I, F, P, Q, S, Phase, Ea, Eq, Es MV quantities calculated: U, I |
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Monitoring of the low-voltage electrical feeders: Electrical measurement and metering |
Quick-install current socket for split-core CTs (up to 8 feeders) Quantities measured: V, U, I, F, P, Q, S, Phase, Ea, Eq, Es |
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| Measurement of neutral currents (general and low-voltage feeders) |
— | Yes | |
| Measurement of connection hotspot temperatures on the LV and MV transformer | — | Yes | — |
| Transformer surface temperature measurement | — | Yes (wired temperature sensor) | |
| Measurement of ambient temperature of the kit and ambient temperature and humidity of the transformer station | — | Yes | — |
| Interfacing with other elements in the transformer station | — | Analog inputs and on-off inputs/outputs available | — |
| Communication and Data Management | |||
| Communication mode | 3G/4G communication and associated remote antenna | ||
| Data viewing | Remote web pages | GridWatch dashboard / fleet view | |
| Management of alarms and recordings |
Overrun alarms and timeout with SMS/email notification, recording in alarm log Recording of all quantities and variables |
GridWatch dashboard solution | |
| Protocols used simultaneously |
Modbus TCP: access to electrical/physical quantities in real time (1s) MQTT: publisher mode on alarm / subscriber mode HTTP: access to all quantities in real time + historized data FTP Push: file sent to FTP server |
MQTT: Publisher mode for measurements | |
| Remote administration | Updating – Parameter Settings – Fleet management | ||
| General specification | |||
| Local data viewing screen | — | Yes | |
| Use | Indoor | ||
| Operating temperature | (14 to 131) °F (-10 to 55) °C | ||
| Installation | Wall mounting or mounting on stand | Wall mounting | |
| Standards | IEC 61439-1 / IEC 61439-5 | ||
| Battery operation in event of power outage | — | Yes | — |
Analog + Digital options
TRIAD2 1AO
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Multi-function digital transducer with 1 analog output for single-phase and 3 or 4-wire single and balanced three-phase networks
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TRIAD2 2AO
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Multi-function digital transducer with 2 analog outputs for single-phase, split-phase and 3 or 4-wire balanced or unbalanced three-phase networks
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TRIAD2 3AO
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Multifunction digital transducer with 3 analog outputs for single-phase, split-phase and 3/4-wire balanced or unbalanced three-phase networks
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TRIAD2 4AO
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Multi-function digital transducer with 4 analog outputs for single-phase, split-phase and 3 or 4-wire balanced or unbalanced three-phase networks
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ELINK IEC61850
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Designed for energy market applications, the ELINK 61850 gateway enables communication by ENERIUM power monitors and TRIAD 2 transducers via the IEC 61850.|
Communication by our ELINK61850 and ENERIUM and TRIAD 2 products on IEC 61850 networks is certified by the independent laboratory DNV GL. |
T82N Family
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New T82N analog measurement transducers for the severest environments such as the nuclear sect.
— Totally configurable when ordering |
Analog + Programmable Digital options
Analog Panel Meter Family
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We offer a range of analog AC ammeter and volmeters with 90° of 240° round casing for severe operating constraints. Sizes ranges from 48x48, 72x72, 96x96.
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Digital Panel Meters - ECONOMICAL RANGE
µDIGI 1-LP µDIGI 1-LP µDIGI 1-E |
The simple, high-performance μDIGI1 Series, with 4 red digits 10 mm high.
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Digital Panel Meter -ALL-IN-ONE RANGE
µDIGI 2-E µDIGI 2-P |
Wide choice of switchboard digital panel meters. Our range of panel meters offers a wide choice of electrical and physical measurement panels, such as:|
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