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RAE Systems QRAE III

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The QRAE III is a compact, wireless monitor designed to detect and monitor up to four gases, including oxygen, combustibles, and toxic gases. It offers real-time readings and alarms, ensuring enhanced safety and quick response times.

QRAE III: Wireless 4-Gas Monitor

The QRAE III is a versatile and reliable gas detection solution that stands out from earlier QRAE models with its enhanced wireless capabilities and compact, durable design. It provides real-time monitoring for up to four gases, including oxygen, combustibles, and various toxic gases, ensuring improved incident visibility and quicker response times.

Ideal for industrial safety, environmental monitoring, and emergency response, the QRAE III combines ease of use with robust performance to meet diverse safety needs.

QRAE III Key Features

The QRAE III is equipped with a range of advanced features designed to enhance safety and efficiency in gas detection.

Its user-friendly design and robust functionality make it a reliable choice for various applications.

Features

  • Wireless real-time gas concentration readings and alarm status
  • Man Down Alarm with remote wireless notification
  • Easy maintenance with field-replaceable sensors and pump
  • Large graphical display with 180º rotation
  • Available in diffusion and pumped models
  • IP-65/67 water- and dust-resistant casing
  • Multi-language support with 18 languages encoded
  • Compatible with AutoRAE 2 Automatic Test and Calibration System

Applications

The QRAE III is designed for versatility and reliability across a wide range of industries and environments.

Its robust construction and advanced features make it ideal for the following applications:

  • Industrial safety
  • Oil and gas industry
  • Confined space entry
  • Fireground “Toxic Twins” detection
  • Environmental monitoring
  • Fire and emergency response

Gases Monitored by the QRAE III

The QRAE III provides comprehensive detection and monitoring for various gases to ensure safety in diverse environments.

The system can monitor for the following gases with their respective range and resolution:

  • Oxygen (O₂): 0 to 30.0%, 0.1%
  • Combustibles (LEL): 0 to 100% LEL, 1% LEL
  • Hydrogen Sulfide (H₂S): 0 to 100 ppm, 0.1 ppm
  • Carbon Monoxide (CO): 0 to 500 ppm, 1 ppm
  • Sulfur Dioxide (SO₂): 0 to 20 ppm, 0.1 ppm
  • Hydrogen Cyanide (HCN): 0 to 50 ppm, 0.2 ppm
  • Ammonia (NH₃): 0 to 100 ppm, 1 ppm
  • Phosphine (PH₃): 0 to 20 ppm, 0.01 ppm
  • Chlorine (Cl₂): 0 to 50 ppm, 0.05 ppm
  • Nitrogen Dioxide (NO₂): 0 to 50 ppm, 0.1 ppm

Specifications:

Collapse QRAE 3
Instrument Specifications
QRAE 3 Instrument Specifications
Size Diffusion: 5.5″ H x 3.2″ W x 1.5″ D (140 mm x 82 mm x 42 mm)
Pumped: 5.7″ H x 3.2″ W x 1.7″ D (145 mm x 82 mm x 42 mm)
Weight Diffusion: 12.9 oz (365 g with Li-ion battery and clip)
Pumped: 14.5 oz (410 g with Li-ion battery, clip, and external filter)
Sensors Up to four field-replaceable sensors:
• LEL: Catalytic bead for combustibles (built-in Correction Factor library)
• Oxygen: Liquid electrolyte O2
• Toxic: Electrochemical for H2S, CO, SO2, HCN
Battery Rechargeable Li-ion
Running Time • 14 hours continuous non-wireless, diffusion
• 11 hours continuous non-wireless, pumped
• 10 hours continuous with wireless, diffusion
• 8 hours continuous with wireless, pumped
Note: All battery specifications at 68° F (20° C); lower temperatures and alarm conditions will affect runtime.
Display Monochrome graphic display (128 x 80)
Display size: 1.57″ W x 1.06″ H (40 x 27 mm) with backlighting
Automatic or on-demand screen rotation
Keypad Two-button operation
Direct Readout • Real-time reading of gas concentrations
• Battery status
• Pump status (if equipped with pump)
• Wireless on/off and wireless reception quality
• STEL, TWA, peak, and minimum values
• Man Down and policy enforcement indicators
Datalogging • Continuous datalogging (3 months for 4 sensors at 1-minute intervals, 24/7)
• User-configurable datalogging intervals (from 1 to 3,600 seconds)
Communication and Data Download • Data download and instrument set-up and upgrades on PC via Travel Charger
• Wireless data and status transmission via built-in RF modem (optional)
Wireless Network Mesh RAE Systems Dedicated Wireless Network
Wireless Frequency and Approvals ISM license free band, 868 MHz or 900 MHz
FCC Part 15, CE R&TTE, ANATEL
Wireless Range (Typical) • EchoView Host: LOS > 650 ft (200 m)
• ProRAE Guardian and RAEMesh Reader: LOS > 650 ft (200 m)
• ProRAE Guardian and RAELink3 Mesh: LOS > 330 ft (100 m)
EM Immunity EMI and ESD test: 100 MHz to 1 GHz 30V/m, no alarm
Contact: ±4kV
Air: ±8kV, no alarm
IP Rating Pumped: IP-65
Diffusion: IP-67
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