Macurco Inc., a DwyerOmega brand and a leader in fixed gas detection solutions, announced on September 29, 2026, the launch of the HD-6 Hydrogen Gas Detector, designed specifically for continuous hydrogen monitoring in Battery Energy Storage System (BESS) applications and other critical environments where hydrogen detection is essential. The announcement came from the company's Sioux Falls, South Dakota, location.

The HD-6 is described as an iteration and upgrade of Macurco's current flagship hydrogen detector, the GD-6. According to Jonathon DeKam, Macurco Line Product Manager for DwyerOmega, the new detector includes significant upgrades such as minimal maintenance, resistance to silicone poisoning, additional alarm setpoints, and a 10-year lifespan.

DeKam said Macurco developed the HD-6 to address ongoing customer requests for a hydrogen detector that is more robust, more reliable, and lasts longer in the field.

Why Hydrogen Detection Matters in BESS Environments

Hydrogen detection in BESS applications is vital for safety and for monitoring normal equipment operation. When a battery begins to malfunction, it can emit hydrogen gas, which may create explosive and dangerous conditions. Early detection can help identify fault events, prevent further equipment damage, and keep personnel informed of potentially hazardous environments.

The HD-6 provides reliable, continuous hydrogen monitoring and early warning designed to help protect personnel, equipment, and facilities. It is engineered for long-term performance with a robust, low-maintenance design intended for demanding applications, including data centers, BESS facilities, and industrial hydrogen monitoring.

Certifications and Listings

The HD-6 is UL Listed to UL 2075 and CAN/ULC 588 and is CE marked. According to the company, these listings and the CE marking reflect rigorous electrical safety, performance, and gas detection requirements, demonstrating the detector's electrical integrity, accurate response to hydrogen gas, and reliable operation. The CE marking supports the HD-6's availability in the European market.

DeKam emphasized the significance of the certification, stating that with a UL 2075 listing for hydrogen gas detection, customers can be confident in relying on the HD-6 to monitor their data centers, BESS facilities, or any application where hydrogen detection is imperative. He added that Macurco is eager to get the HD-6 into customers' hands and begin collecting feedback for future product improvements.

Features and Capabilities

The HD-6 features two configurable alarm levels with relay activation, allowing facilities to automate responses such as activating fans, valves, louvers, horns, and strobes. Standard features also include local audible alarms, bright visual indicators, and analog communication for seamless integration with Building Management Systems (BMS).

The detector's full set of listed features and benefits includes a 10-year sensor life, UL 2075 and CAN/ULC 588 listing, minimal maintenance requirements, and resistance to silicone poisoning. It offers two configurable alarm levels, a sensor range of 0-50% LEL Hydrogen, a 5A SPDT fan relay and a 0.5A alarm relay, and an LED display for easy gas concentration monitoring.

The unit also provides a 4-20mA output for VFD control and BMS integration, end-of-life notification, compatibility with Macurco digital control panels, easy installation to standard 4×4 electrical boxes, and operation on 12 to 24 VAC or 12 to 32 VDC power.

About the Manufacturer

DwyerOmega is a leading global manufacturer of precision measurement and control solutions, serving a diverse range of industrial and controlled environment applications to monitor, manage, and optimize critical processes. The company serves customers worldwide with a portfolio of industry-leading brands, including Macurco.

The Macurco product line designs, develops, and manufactures a full set of fixed and portable gas detection monitors for the protection of workers, responders, and the community. Macurco has 50 years of proven gas detection experience in residential, commercial, and industrial gas monitoring.

Its gas detection systems, spanning the HVAC, Fire & Security, AimSafety, and TracXP lines, are widely recognized by distributors and users for high performance and consistent reliability.

The HD-6 is available now, with additional information accessible through the company's website or by contacting the company directly. Tim Howlett, Chief Marketing Officer at DwyerOmega, is listed as the media contact for the announcement.

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