RAEGuard 3

The Honeywell RAEGuard 3 is a high-performance fixed gas detector that provides continuous monitoring of toxic and combustible gases, VOCs, and oxygen in hazardous areas. It combines real-time detection with a smart sensor platform and multiple signal outputs, making it a versatile solution for complex safety environments. With ATEX/IECEx approvals, explosion-proof housing, and full Modbus and HART support, the RAEGuard 3 is engineered for critical applications across oil & gas, chemical, manufacturing, and infrastructure sectors.

List of Benefits

  • Wide detection range: LEL, O₂, toxic gases, and VOCs
  • Certified for ATEX, IECEx, UL, CSA, and INMETRO
  • Smart sensor with onboard data storage and self-diagnostics
  • Real-time display and LED status indicators
  • Flexible outputs: 4–20 mA, Modbus RTU, HART, and relay options
  • Compatible with PID, electrochemical, catalytic bead, and IR sensors
  • Rugged Ex-proof housing with optional remote sensor
  • Supports offline calibration and zero/span adjustment
  • Easily configured for integration into safety and SCADA systems

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This next-generation fixed gas detector delivers accurate, real-time monitoring of toxic, flammable, and oxygen-deficient gases in hazardous indoor and outdoor environments. Designed for reliability and built for performance, the unit offers exceptional stability, rapid response, and flexible integration with site safety system, helping protect people, processes, and property. Equipped with high-performance sensor technologies including electrochemical, catalytic bead, and long-life NDIR, this detector ensures dependable operation even in challenging conditions such as high humidity, extreme temperatures, or high-vibration areas. Optional HART® 7.2 and Modbus RTU communication enables seamless connectivity for diagnostics, configuration, and system integration. Engineered with durability in mind, the rugged housing is available in corrosion-resistant aluminum or 316 stainless steel, IP66/67 rated, and certified for global use in Zone 1 and Zone 2 hazardous areas. Whether mounted locally or remotely, the unit is easy to install, maintain, and calibrate, supporting magnetic tool access and hot-swappable sensor modules for minimum downtime.
SpecificationDetail Description
Input Voltage Range 16–32VDC (24VDC nominal)
Max Power Consumption Electrochemical Cells
Current Output Configurable 4–20mA (source type), optional HART® 7.2 protocol
Terminals 5 terminals (14 with relay), wire diameter 0.5–2.5mm² (20–13AWG)
Relays 3 x 2A@30VDC, selectable NO/NC and energised/de-energised (programmable)
Communication RS485, Modbus RTU (*Optional Bluetooth)
Transmitter Housing Material Aluminum Alloy or 316 Stainless Steel
Sensor Housing Material 316 Stainless Steel
Weight Aluminum Alloy
Mounting Integral mounting plate with 4 x M8 holes for wall or pipe
Entries 2 x 3/4” NPT, 1 x M25 sensor entry, 1 x plug included to maintain IP rating
Repeatability <2%
Response Time (T90) Dependent on the gas being detected
ATEX Certification (Europe)
LEL/NDIR CE2460 II 2G Ex db IIC T6 Gb Ta = -40°C to +65°C
Toxic and Oxygen CE2460 II 2G Ex db ia IIC T6 Gb Ta = -20°C to +55°C
IECEx Certification (International)
LEL/NDIR Ex db IIC T6 Gb Ta = -40°C to +65°C
Toxic and Oxygen Ex db ia IIC T6 Gb Ta = -20°C to +55°C
China Certification
LEL/NDIR Ex d IIC T6 Gb Ex tD A21 IP66 T85°C
Toxic and Oxygen Ex d ia IIC T6 Gb Ex tD A21 IP66 T85°C
Other Certifications CCCF, CPA
EMC Compliance EN50270
Performance Standards IEC60079-29-1, IEC 61508 (SIL2)
Surge Immunity Optional SPD, compliant with GB/T 17626.5-2008 / IEC61000-4-5
IP Rating Toxic and Oxygen
Operating Temperature -40°C to +70°C
Operating Humidity LEL/NDIR
Operating Pressure 90–110kPa
Storage Conditions -20°C to +50°C, 45–75%RH (non-condensing), in clean air
 

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