Hydrogen Safety Sensors
HLD Series
The Hydrogen Leak Detector (HLD) Sensor uses Honeywell's advanced compensation algorithm to detect Hydrogen leaks in different applications.
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Designed with precision and reliability in mind, the HLD Sensor employs cutting-edge Thermal Conductivity Detection (TCD) technology to deliver lasting performance for many applications that require a highly accurate solution without manual intervention for ten years. Its advanced detection capabilities ensure the identification of hydrogen leakage of 50 PPM or greater. Honeywell HLD Sensors can be utilized in many industries, such as automotive, industrial safety equipment, and residential power generators. The incorporation of TCD technology in the HLD sensor offers several key advantages over catalytic beads. These benefits include greater accuracy, extended sensor lifespan, and enhanced resistance to chemical poisoning. With these advantages, the HLD sensor gives users the confidence that both lives and assets are well-protected. FEATURES• High accuracy • CAN communication protocol (available) and Voltage reading output (coming soon). • Thermal Conductivity base sense element. • Fast response time: <2 seconds • Short Startup Time: <1 second • Hydrogen sensing range: 0% to 4% • Operating Temperature Range: -40°C to 85°C (-40°F to 185°F) • 50 H2 PPM resolution to detect low levels of H2 leakage • Resistant to chemical poisoning OPERATING MODESThe sensor functions in the following operating modes: • ECO Mode: When the equipment is keyed off, the HLD Sensor can run in ECO mode to minimize power/current consumption. The sensor monitors and analyzes the air for Hydrogen leakage every 60 seconds. The sensor will communicate the Hydrogen level in the air during ECO mode if the analyzed air has a Hydrogen level greater than the calibrated threshold. Sensor output is provided to the equipment controller via the selected method of communication. • Continuous Mode: When the equipment is keyed on, the H2 leak detector is run in Continuous Mode. Hydrogen content in the surrounding air is reported to the system controller in 100 ms intervals. DIFFERENTIATION• Accuracy: Temperature, pressure, and humidity are compensated to deliver accuracy over the specified operation range. • CORE TECHNOLOGY: TCD technology offers superior performance and is reliable in detecting hydrogen gas, even at low concentrations. • Integration: The HLD Sensor is designed to provide output using different methods, such as CAN J1939. Contact your Honeywell representative if you are interested in additional output methods. VALUE TO CUSTOMERS• Accurate: Designed for precise H2 measurements to improve safety, allowing enhanced protection of assets and life. • Reliable: TCD technology usage enables the customer to reduce downtime by eliminating false positives. • Packaging: The IP67 seal allows the use of HLD even in numerous applications. APPLICATIONSThe HLD sensor is typically adjacent to the Hydrogen Storage Tank, Hydrogen Gas Piping, Fuel Cell, or Vehicle Cabin. The following are examples of Hydrogen applications: • Hydrogen Powered Heavy Duty Trucks • Hydrogen Powered Buses • Hydrogen Power Generators • Hydrogen Powered Automobiles • Hydrogen Powered Construction Equipment • Hydrogen Powered Aircraft CUSTOMIZATIONThe HLD Sensor may be customized to meet application needs, such as lightweight applications and having auxiliary output. Solutions may be tailored to exact specifications for improved time to market, lower total system costs, and enhanced reliability. For technical assistance, we provide global engineering and service support for your needs. Distributor Inventory
Data Sheet
Name
Description
File Size
Date
Size
Hydrogen Leak Detection Sensor Data Sheet
application/pdf 482.01 KB
2/25/2025
482.01 KB
Installation Instructions
Name
Description
File Size
Date
Size
Installation Instructions for the HLD Series
application/pdf 319.91 KB
5/5/2025
319.91 KB
Brochure
Name
Description
File Size
Date
Size
Sensing and Safety Solutions for Electrification
application/pdf 1.47 MB
6/12/2025
1.47 MB
Application Note
Name
Description
File Size
Date
Size
Sensors and Switches For Forklift Applications App Note
application/pdf 3.87 MB
5/22/2025
3.87 MB
Others
Name
Description
File Size
Date
Size
Honeywell battery management sensors include a range of specialized sensors such as current sensors, aerosol sensors, pressure sensors, and electrolyte vapor sensors.
application/pdf 1.58 MB
3/6/2025
1.58 MB
Name
Description
File Size
Date
Size
Honeywell battery management sensors include a range of specialized sensors such as current sensors, aerosol sensors, pressure sensors, and electrolyte vapor sensors.
application/pdf 1.58 MB
3/6/2025
1.58 MB
Installation Instructions for the HLD Series
application/pdf 319.91 KB
5/5/2025
319.91 KB
Hydrogen Leak Detection Sensor Data Sheet
application/pdf 482.01 KB
2/25/2025
482.01 KB
Sensors and Switches For Forklift Applications App Note
application/pdf 3.87 MB
5/22/2025
3.87 MB
Sensing and Safety Solutions for Electrification
application/pdf 1.47 MB
6/12/2025
1.47 MB
Name
Date
Size
2/25/2025
6/3/2025
3/25/2025
3/17/2025
3/6/2025
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HLD-111-111-001
https://honeywell.scene7.com/is/image/Honeywell65/hon-ia-hss-hld-series-hydrogen-sensor-top-8
HLD-111-111-001
https://honeywell.scene7.com/is/image/Honeywell65/hon-ia-hss-hld-series-hydrogen-sensor-top-8
