DUOIQ

An award-winning dual-gas detector with advanced modular sensor technology, long-lasting battery life, and seamless connectivity for enhanced safety.

Where to Buy

DuoIQ is a compact, dual-gas monitor designed to provide workers with versatile, reliable protection against multiple hazards. Built with a long-lasting rechargeable battery life and every major sensor technology, DuoIQ provides safety in environments where detecting two gases is critical but equipment size and cost need to be optimised.

lightweight, compact design

one button operation

pre-calibrated sensor trays

comprehensive sensor technology

dual gas
detection

optimised for safety and compliance

DuoIQ integrates seamlessly with
Crowcon Connect for real-time
monitoring, compliance tracking, and
asset management
Improves safety and ensures regulatory requirements are met
Effortlessly store and retrieve calibration certificates in Crowcon Connect to simplify audits

Size	Standard: 96 x 55 x 32 mm Deep tray: 106 x 55 x 32 mm
Weight	139.8g (Weight may vary depending on configuration)
Durability	6m drop test
Response Time (T90)	<10s (sensor dependent)
Alarms	Visual, vibrating, audible (95dB), low/high, TWA, STEL
Display	Backlit segment display
Data Logging	Up to 500 event logs
Power & Battery	Tox / O₂ \| tox : 7 days, (20 days at 8 hour shifts) Tox / O₂ \| IR: 1 day (4 days at 8 hour shifts) Tox / O₂ \| Pellistor: 1 day (3 days at 8 hour shifts) Recharge time: 0-80% 2 hours; 0-100% <3 hours
Sampling	None
Operating Temperature Range	-20 to +55°C (-4 to +131°F)
Humidity	0-95%RH
Ingress protection	IP66 & IP68
Approvals	CSA US: Class I, Division 1, Groups A, B, C, D T4* ATEX: Ex II 1G Ex ia IIC T4 Ga IECEx: Ex ia da IIC T4 Ga INMETRO: Ex ia IIC T4 Ga* RED/FCC/IC: Wireless *Pending
Calibration & Maintenance	Automatic bump tests (<10 seconds)and calibrations (<30 seconds) through IQhub; Manual bump and calibrations through device and PC software
Accessories	Power cable (device to USB-A & USB-C); Flow plate; IQhub
Connectivity	NFC & Bluetooth® (optional) required for connection to Crowcon Connect App for live data and configuration
Crowcon Connect	Cloud-hosted web application for safety monitoring and asset management, offering real-time alarms, compliance dashboards, location tracking, device configurations, and essential reporting
Sensors	Electrochemical, IR, Pellistor and Long life O₂
Languages	English
Warranty	2 years (sensor warranty separate)

Gas	Range	Resolution
Ammonia (NH₃)	0-100ppm	0.1ppm
Butane (C₄H₁₀)	0-100% LEL	1% LEL
Carbon Dioxide (CO₂)	0-2% volume	0.01% volume
Carbon Monoxide (CO)	0-250ppm	1ppm
Chlorine (Cl₂)	0-10ppm	0.1ppm
Hydrogen Sulphide (H₂S)	0-100ppm	0.1ppm
Methane (CH₄)	0-100% LEL	1% LEL
Nitrogen Dioxide (NO₂)	0-20ppm	0.1ppm
Oxygen (O₂)	0-25% volume	0.1% volume
Ozone (O₃)	0-1ppm	0.1ppm
Sulphur Dioxide (SO₂)	0-20ppm	0.1ppm

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