Gas detector DUOIQ

chlorineammoniamethane

Product overview
DuoIQ is a compact, award-winning portable dual-gas monitor that combines modular sensor technology, long-lasting rechargeable battery options and optional NFC/Bluetooth connectivity. It is designed for personal protection and zone monitoring where detection of two gases is required while optimising device size and operational cost.

Key features

• Dual-gas detection in a lightweight, compact housing
• Modular, pre-calibrated sensor trays supporting electrochemical, IR, pellistor and long-life O2 sensors
• One-button operation and backlit segment display for simple field use
• Visual, vibrating and audible (95 dB) alarms including low/high, TWA and STEL
• Up to 500 event logs and 6 m drop durability

Optimised for safety and compliance

• Integrates with Crowcon Connect via IQhub for real-time monitoring, compliance dashboards, location tracking and asset management
• Stores calibration certificates and simplifies audit workflows
• Supports automated bump tests and fast calibrations to reduce maintenance time

Extended battery life

• Toxic gas / O2 (electrochemical): up to 7 days continuous operation (≈20 days at 8‑hour shifts)
• Toxic gas / O2 (IR): ~1 day continuous (≈4 days at 8‑hour shifts)
• Toxic gas / O2 (pellistor): ~1 day continuous (≈3 days at 8‑hour shifts)
• Recharge: 0–80% in 2 hours; 0–100% in under 3 hours

Bluetooth® & NFC connectivity

• Optional NFC & Bluetooth® push data to Crowcon Connect via IQhub
• Enables live data streaming, remote configuration and device performance insights

Accessories (examples)

• Power cables (USB-A & USB-C)
• Flow / aspirator plates
• IQhub docks and management hardware
• Klick-Fast docks, belt loops, armband and harness options

Additional product notes

• Display: backlit segment display
• Data logging: up to 500 event logs
• Durability: 6 m drop test; IP66 & IP68

Technical specifications

• Size: Standard 96 x 55 x 32 mm; Deep tray 106 x 55 x 32 mm
• Weight: 139.8 g (varies by configuration)
• Durability: 6 m drop test
• Response time (T90): <10 s (sensor dependent)
• Alarms: visual, vibrating, audible (95 dB); low/high; TWA; STEL
• Display: backlit segment display
• Data logging: up to 500 event logs
• Power & battery: Electrochemical Toxic/O2 ~7 days continuous (≈20 days at 8 h shifts); IR: ~1 day (≈4 days at 8 h shifts); Pellistor: ~1 day (≈3 days at 8 h shifts). Recharge 0–80% = 2 hours; 0–100% <3 hours
• Sampling: Diffusion (no pump)
• Operating temperature: -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 s) and calibrations (<30 s) via IQhub; manual bump & calibrations via device and PC software
• Accessories (examples): power cables (USB-A & USB-C), flow plates, IQhub, Klick-Fast docks, belt loop, armband, harness, aspirator plate
• Connectivity: NFC & Bluetooth® (optional) for Crowcon Connect via IQhub
• Crowcon Connect: Cloud-hosted web application for safety monitoring, real-time alarms, compliance dashboards, location tracking, device configuration and reporting
• Sensors supported: Electrochemical, IR, Pellistor and long-life O2
• Languages: English (documentation)
• Warranty: 2 years (sensor warranty separate)
• Gases and ranges:
  Ammonia (NH3): 0–100 ppm, resolution 0.1 ppm
  Butane (C4H10): 0–100% LEL, resolution 1% LEL
  Carbon Dioxide (CO2): 0–2% vol, resolution 0.01% vol
  Carbon Monoxide (CO): 0–250 ppm, resolution 1 ppm
  Chlorine (Cl2): 0–10 ppm, resolution 0.1 ppm
  Hydrogen Sulphide (H2S): 0–100 ppm, resolution 0.1 ppm
  Methane (CH4): 0–100% LEL, resolution 1% LEL
  Nitrogen Dioxide (NO2): 0–20 ppm, resolution 0.1 ppm
  Oxygen (O2): 0–25% vol, resolution 0.1% vol
  Ozone (O3): 0–1 ppm, resolution 0.1 ppm
  Sulphur Dioxide (SO2): 0–20 ppm, resolution 0.1 ppm