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    • Honeywell

    Honeywell QRAE 3 – Wireless 4-Gas Monitor for Industrial and Emergency Response

    Honeywell QRAE 3 is a rugged 1–4 gas monitor for O₂, H₂S, CO, SO₂, HCN & more. Wireless-ready, IP65-rated, with pump or diffusion sampling options.

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    Description

    Honeywell QRAE 3

    Compact. Connected. Confident.

    The Honeywell QRAE 3 is a durable and flexible one-to-four gas detector designed for real-time monitoring of toxic gases, oxygen levels, and combustible atmospheres. Available in both pumped and diffusion models, the QRAE 3 supports a wide range of sensor options including O₂, CO, H₂S, SO₂, and HCN—making it ideal for hazardous work environments, confined space entry, industrial hygiene, and emergency response.

    Built to perform in tough conditions, the QRAE 3 features a rugged, water-resistant IP-65-rated housing, a vibrating and 95 dB audible alarm, and an easy-access design that allows for quick sensor and battery replacement in the field.

    The optional wireless capability connects to the ProRAE Guardian Safety System and EchoView Host Mini-Controller, allowing remote visibility of live instrument readings and alarm status—including man-down alerts—for enhanced safety and faster response times. Its rechargeable lithium-ion battery delivers up to 14 hours of continuous use in non-wireless diffusion mode.

    Features

    • Real-time gas detector readings and alarm status enabled by state of the art wireless technology

    • Unmistakable five-way local and remote wireless notification of alarm conditions

    • Intuitive simple-to-operate two-button user interface

    • Strong, protective, concussion-proof design

    • IP-65/67 water- and dust-resistant case

    • Easy maintenance with fiel dreplaceable sensors and pump

    • Pumped or diffusion models available

    Rugged & Maintainable

    • IP-65/67 water- and dust-resistant case

    • Strong, protective, concussion-proof design

    • Easy access to pump, sensors, filter and battery compartment

    Easy to Use

    • Large graphical display icon-driven user interface through intuitive, simple-to-operate two-button user interface.

    • Multi-language support: 18 languages encoded

    Safety & Control

    • Real-time gas concentration readings and alarm status enabled by state-of-the-art wireless technology

    • Unmistakable five-way local and remote wireless notification of alarm conditions

    • Device Management with Honeywell SafetySuite

    Specifications

    Instrument Specifications

    Sampling Pump
    Built-in pump or diffusion, Can sample through tubing up to 98ft (30m)
    Temperature
    -4° to 122° F (-20° to 50° C) for T4 temperature code
    Size
    Diffusion: 5.5″ H x 3.2″ W x 1.5″ W (140 mm x 82mm x 42mm)
    Pumped: 5.7″ H x 3.2″ W x1.7″ D (145mm x 82mm x 42mm)
    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
    Display Graphic
    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

    Instrument Specifications (Cont’d)

    Humidity
    0% to 95% relative humidity (non-condensing)
    Datalogging
    Multi-tone 95dB buzzer (at 11.8″/30cm, typical), vibration alarm, and flashing red LEDs and on-screen indication of alarm conditions
    Alarms: latching, non latching or manual override
    Additional diagnostic alarm and display message for low battery
    Pump stall alarm (pumped version only)
    Man Down Alarm with pre-alarm and real-time remote wireless notification
    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 & 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, 868Mhz or 900Mhz FCC Part15, CE R&TTE, ANATEL
    Wireless Range
    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: 100MHz to 1GHz 30V/m, no alarm
    Contact: ±4kV
    Air: ±8kV, no alarm
    IP Rating
    Pumped: IP-65
    Diffusion: IP-67
    Calibration
    Two-point calibration for zero and span

    Sensor Specifications

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

    Resources

    QRAE 3 Datasheet

    QRAE 3 Users Guide

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