QRAE 3 Wireless 4-Gas Monitor

Overview

QRAE 3 is a versatile, rugged, one- to four-sensor pumped or diffusion gas monitor that provides continuous exposure monitoring of oxygen (O2), combustibles, and toxic gases, including hydrogen sulfide (H2S), carbon monoxide (CO), sulfur dioxide (SO2) and hydrogen cyanide (HCN) for workers and responders in hazardous environments.

Key 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

Applications

Confined space entry
Oil, gas and petrochemical
Wastewater and sewage
Steel and chemical plants

Standards and certification

IECEX

ATEX

Supplier: ISO 9001:2015 certified

PRODUCT DATASHEETDoc. SSLS/DS/GD-078 · Rev. 01 · 13-Oct-2026

QRAE 3 Wireless 4-Gas Monitor – technical data

Technical specifications

Brand	Honeywell
Weight	14.5 ounce av / 410 gram
Instrument Size	5.7 in H x 3.2 in W x 1.7 in D (145 mm x 82 mm x 42mm)
Weight range	Diffusion: 365 g gram / Pumped: 410 g gram
Humidity Range	0 to 95% RH (Non-Condensing) percent / 0%-95% percent
Sensor Range	O2 (0-30%vol), LEL (0-100% LEL), CO (0-500ppm), H2S (0-100ppm), SO2 (0-20ppm), HCN (0-50ppm), NH3 (0-100ppm), PH3 (0-20ppm), CL2 (0-50ppm), NO2 (0-50ppm)
Minimum Temperature	-20 degree Celsius / -4 degree Fahrenheit
Maximum Temperature	122 degree Fahrenheit / 50 degree Celsius
Alarm Settings	Latching / Manual Override / Non Latching
Alarm Type	Audio (Multi-Tone 95 dB) / Vibrating / Visual (LED)
Alarm Included	Yes
Series Name	QRAE 3
Languages	Arabic, Chinese, Czech, Danish, Dutch, English, French, German, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, and Turkish
Batteries Required	Yes
Batteries Included	Yes
Battery Run Time	10 Hours Continuous with Wireless, Diffusion hours / 11 Hours Continuous Non-Wireless, Pumped hours / 14 Hours Continuous Non-Wireless, Diffusion hours / 8 Hours Continuous with Wireless, Pumped hours / 8-14 hours
Calibration Procedures	Two-Point Calibration for Zero and Span (Manual, or Automatic with AutoRAE 2)
Calibration Points	2
Standards	Europe: IECEx/ATEX (II 1G Ex ia IIC T4) / US and Canada: Classified for Use in Class I, Div 1, Group A, B, C and D
Datalogging Interval	1 min
Datalogging Capable	Yes

PRODUCT DATASHEETDoc. SSLS/DS/GD-078 · Rev. 01 · 13-Oct-2026

QRAE 3 Wireless 4-Gas Monitor – technical data, continued

Technical specifications

Datalogging	Continuous Datalogging (3 Months for 4 Sensors at 1 Min Intervals, 24/7) / User-Configurable Datalogging Intervals (from 1 to 3,600 Secs)
Display Viewing Area	1.57 in x 1.06 in
Display Included	Yes
Display Matrix	128 x 80
Display Type	Monochrome Graphic Display
Filter Included	No
User Options	Alarms: latching, non latching, or manual override / User-Configurable Datalogging Intervals
Sampling Pump Included	Yes
Sampling Pump Range	100ft (30m) meter / 98 ft meter
Number of Sensors Included	4

Ordering information

Brand	Honeywell

Inspection and care

Keep sensors and filters clean, charge batteries as directed and record bump tests and calibrations.

Storage

Store in a cool, dry place away from direct sunlight, heat and chemicals.

Data given in good faith from manufacturer information and subject to change without notice. Select PPE based on a site risk assessment. Scan the code for the product page.