From hydrogen detection to business momentum.

Sensors in the field. Analytics in the cloud. Experts at your side.

H2scan identifies early warning signals that lead to actionable solutions. Combining market-leading hydrogen sensing with decades of expertise, we help customers predict abnormalities, prevent downtime and make smarter decisions across critical infrastructure. The result is Situational Intelligence: the clarity to act sooner, reduce risk and keep operations moving.

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bn

sensor field
hours

sensors actively
monitoring

countries across six
continents

+

patents in hydrogen-
specific sensing

Hydrogen monitoring, built around your operations.

Utilities

Utilities

Keep the grid running with continuous transformer monitoring that detects abnormalities early and provides fleet-wide visibility.

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Industrial Transformer

Industrial Transformer

Safeguard facility power with continuous monitoring that catches transformer abnormalities before they disrupt production

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Energy Storage & Standby Power Batteries

Energy Storage & Standby Power Batteries

Detect battery room and BESS off-gassing early with monitoring independent of ventilation assumptions

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Process, Industrial & Manufacturing

Process, Industrial & Manufacturing

Safeguard people and production with process monitoring for chemical, semiconductor, manufacturing and more.

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Data Centers

Data Centers

Protect uptime by detecting UPS battery off-gassing before it threatens critical infrastructure.

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Oil & Petrochemical

Oil & Petrochemical

Monitor hydrogen safely and reliably in hazardous areas where traditional analyzers struggle to perform 

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Hydrogen Economy

Hydrogen Economy

Measure hydrogen and keep electrolyzers and fuel cells producing safely as you scale 

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Electrolyzers & Fuel Cells

Electrolyzers & Fuel Cells

Optimize performance, hydrogen and safety with continuous hydrogen measurement for electrolyzer and fuel cells 

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Defense

Defense

Reliable hydrogen monitoring for submarines, battery rooms and confined, mission-critical sites

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Mobility & Transport

Mobility & Transport

Depend on hydrogen detection for marine, automotive and forklift charging, where battery off-gassing is a real risk 

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Nuclear

Nuclear

Deliver continuous hydrogen monitoring for containment and waste tanks, built for long, no-maintenance and calibration-free life

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OEM & Integration

OEM & Integration

Embed hydrogen sensing into your products — solid-state, no consumables and simple 4–20mA or Modbus integration 

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Trusted where failure is not an option.

The products behind the intelligence.

H2scan products are the trusted sensing and data layer behind continuous hydrogen monitoring. Engineered for the field: self-calibrating, no consumables, no planned maintenance required. 

Browse products
Area Monitors

HY-ALERTA®

Area Monitors

Protect people and facilities with continuous hydrogen monitoring. Area hydrogen monitoring for battery rooms and industrial process areas — continuous detection that meets code without adding maintenance.
Battery Safety Monitors

HY-GUARD®

Battery Safety Monitors

Tackle critical safety issues for standby power and battery safety system by introducing the industry’s first hydrogen sensor specifically designed for most battery applications.
Process Analyzers

HY-OPTIMA®

Process Analyzers

Keep hydrogen processes performing at their best. Continuous hydrogen analysis for electrolyzers, fuel cells and industrial processes — accurate where traditional analyzers drift.
Transformer Solutions

GRIDSCAN® / HY-VAULT™

Transformer Solutions

See transformer abnormalities before they interrupt production. Single gas (hydrogen) DGA monitoring for utility and industrial transformer fleets, measured in the oil or headspace.

Displays

HYVIEW®

Displays

Put hydrogen data where decisions are made. Local display and on-site access to hydrogen data for the people making management and safety decisions.
OEM Integration

TRANSFORMER/PROCESS ANALYZER SOLUTIONS

OEM Integration

Embed proven hydrogen sensing into your own products. H2scan’s hydrogen sensing built into your product — from a sensor sub-assembly to a full product assembly.
Transformer Solutions

H2CLOUD™

Fleet Monitoring Platform

Cloud-based, cyber-secure intelligence for fleet-wide transformer health — turning continuous sensor data into decisions.

Your advantage isn’t detection. It’s foresight.

The value of early hydrogen detection isn’t simply knowing something is happening. It’s knowing sooner. H2scan turns continuous hydrogen data into Situational Intelligence, so operators move from reactive response to proactive asset management: identifying an abnormality before it escalates, reducing risk and improving fleet-wide visibility. Data becomes intelligence. Intelligence becomes business advantage. Monitor. Manage. Momentum.

Latest intelligence from H2scan.

Evidence-led thinking for operators managing transformer, battery, process and hydrogen infrastructure risk

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Videos

February 23, 2026

HY-GUARD® Hydrogen Sensor for Battery Storage and Area Monitoring

See how H2scan’s HY-GUARD™ was engineered specifically for standby battery systems and area monitoring in data centers, telecom, utility, and industrial environments
Blog

March 13, 2026

Time to Replace Legacy Transformer DGA Monitors? Make the Switch to Self-Calibration.

With transformers scarce and costs soaring, aging DGA monitors are failing—making reliable, low-maintenance hydrogen monitoring critical.

Blog

March 3, 2026

Seeing the Gas Danger Hidden in Electric Forklift Charging

A row of electric forklifts quietly charging during the third shift may appear perfectly safe, but odorless, colorless hydrogen gas may be accumulating and the unseen risk of explosion is real,

Latest news

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20 AUG 2026

Hottest July Ever Stresses Aging Transformer Fleets

Extreme temperatures stress electrical grid and accelerate transformer issues, but monitoring can help detect issues before failure occurs

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25 NOV 2025

H2scan Announces David Ellis as Board Chairman to Support Growth Across Energy and Infrastructure Markets

H2scan Corporation today announced that the Company's Board of Directors has appointed David Ellis, a notable energy and technology executive with more than 30 years of global leadership experience as the Chairman of the Board.

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20 NOV 2025

HY-GUARD® Hydrogen Safety for Battery Rooms

H2scan’s HY-GUARD™ delivers accurate, maintenance-free hydrogen monitoring for safer, code-compliant battery rooms and backup power systems.

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25 MAR 2025

Heathrow Power Failure Highlights the Need for Online Monitoring to Detect Internal Transformer Issues before they Fail

The Heathrow power failure on March 21, 2015 highlights the need for online monitoring to detect internal transformer issues before they fail.

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25 MAR 2025

H2scan Advances Transformer Monitoring with Expanded GRIDSCAN® Sensor Portfolio

New Gridscan 5010, 5015 and 5000 Hydrogen Sensors provide additional capabilities for utilities and industrial customers for transformer fleet monitoring.

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Upcoming events

View all events →

SMRP

Sep 28 - Oct 1, 2026 · Raleigh, North Carolina · 1131

Hydrogen Technology Expo Europe

Oct 20-22, 2026 · Hamburg, Germany · 7C41

NiBS Battery Conference

Nov 4-5, 2026 · Shropshire, England

Why H2scan

Pioneers in hydrogen

Decades dedicated to understanding hydrogen. From pioneering hydrogen specific sensing at Sandia National Laboratories to protecting critical infrastructure at a global scale, our expertise helps customers see more, know sooner and act with confidence.

Engineered for mission-critical environments

Built to the standards of regulated industries. FM Approved and ISO 9001 certified, with every product engineered for the environments we serve.

Trusted across the world

Operators across 110+ countries and six continents rely on H2scan — on transmission and distribution networks, in plants and across data and energy storage facilities.