HY-GUARD<sup>™</sup> Hydrogen Area Monitor

Safety Monitors

NEW! HY-GUARD Hydrogen Area Monitor

Hydrogen Area Monitor

  • No false alarms
  • Continuous self-calibration that verifies sensor performance throughout its
    operational life
  • Helps facilities stay compliant with the International Fire Code (IFC) and
    NFPA 855
  • Multiple mounting choices including ceiling and cabinet mounting options
  • Flexible communication options including dry potential-free contacts, 4-20
    mA analog, and Modbus RTU (RS-485)
  • Lasts the service life of the batteries

Applications

The HY-GUARD hydrogen monitoring system tackles critical safety issues for standby power battery setups by introducing the industry’s first hydrogen sensor specifically designed for most battery applications.

Key Advantages

  • True Safety Assurance: HY-GUARD self-verification eliminates false security
    through continuous self-verification
  • Zero Maintenance: Long sensor life and no calibration required over the life
    of the instrument
  • Flexible Configuration: Modular design allows selection of needed required
    capabilities, ranging from relay outputs to advanced communication protocols
  • Superior Reliability: Proven sensor technology without the drift, false
    alarms, and premature failures common in catalytic and metal oxide sensors
  • Standards-drive Development: Designed to meet stringent fire code, including
    NFPA 855, the global standard for energy storage safety

Applications

  • Standby Power Battery Rooms
  • Lead-Acid Battery Installations
  • NiCad Battery Systems
  • Battery Cabinets
  • Telecommunications Battery Backup
  • Data Center Standby Power
  • Emergency Power Systems
  • Utility Substations

Technical Information

Physical
  • Dimensions: 132.5 x 130.5 x 52.9 mm (5.2 x 5.1 x 2.1 in)
  • Weight: (0.5 kg) 1.1 lbs
  • Buzzer: 83 dB at 3 ft
Environmental
  • H2 Range: 0.4-2%
  • Accuracy: ±0.3% H2
  • Response Time1: 50 to 70 seconds
  • Ambient Temperature: 15°C to 40°C (59°F to 104°F)
  • Storage Temperature: -20°C to 60°C (-4°F to 140°F)
  • Humidity: 0-95% RH non-condensing
  • Lower Detection Limit (LDL): 0.4%
  • Sensor Detection Range: 0.4-5%
  • Connector Type: AC: Relay 1%, Relay 2%, Fault | DC: RS-485, 4-20 mA
Power
  • Voltage Input AC: 85 to 264 VAC
  • Voltage Input DC: 15 to 60 VDC
  • Power Consumption: 10 W max
Communications
  • Analog Output: 0 minimum, 4-20 nominal, 24 max mA
  • RS-485: Modbus two-wire

 

1. The response time is the time until the measured H2 exceeds 1% when transitioning from air to 3% H2 /Air

Note: HY-GUARD supports both AC and DC power inputs. AC is used as the primary source by default. In the event of AC loss, HY-GUARD will automatically switch to DC when AC and DC are powered by separate power sources

 

Certifications

Compliance & Certification
  • IEC 610102
  • FCC Part 15
  • REACH
  • RoHS
Applicable Standards
  • OSHA 29 CFR 1926
  • IFC 608/ Chapter 12
  • NFPA 1 & 855
  • NFPA 68 & 69
  • IEC 62933
  • IEEE Standards – Stationary battery and energy storage

2. The HY-GUARD was designed for and passed pre-conformance testing per the requirements of UL 61010-1 and CSA C22.2 No. 61010-1, and is currently undergoing formal certification by an agency

HY-GUARD Models

Model Communication
8111 Modbus RTU, 4-20 mA analog, Dry Contacts 1 & 2% H2, Fault Indicator
8110 4-20 mA analog, Dry Contacts 1 & 2% H2, Fault Indicator
8101 Modbus RTU, Dry Contacts 1 & 2% H2, Fault Indicator
8100 Dry Contacts 1 & 2% H2, Fault Indicator

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