The SENKO DUO TRACER is a compact portable dual-gas detector that uses diffusion measurement to monitor two configured gases at the same time. It displays oxygen, explosive, or toxic-gas concentrations on its LCD and alerts workers with visual, audible, and vibration alarms when levels exceed configured thresholds.
Key Features
- Simultaneous two-gas monitoring in a compact personal detector.
- Electrochemical and NDIR sensor technologies depending on configuration.
- Real-time concentration plus maximum and minimum readings.
- LCD, flashing LED, buzzer, and vibration alerts.
- Wireless and optional IR-Link configuration and data management.
- IP67 rubberised polycarbonate housing.
- Records the 30 most recent alarms.
- Dock DUO supports calibration, bump testing, and updates for up to four units.
- Clips to clothing, belts, or helmets and is certified for hazardous areas.
Applications
- Personal monitoring during industrial work
- Confined-space entry and maintenance
- Oil and gas, chemical, utilities, and construction sites
- Two-gas combinations such as O₂/CO, O₂/H₂S, or other configured options
Specification Summary
| Model | DUO TRACER |
| Sensor types | Electrochemical and NDIR |
| Measuring method | Diffusion |
| Gas channels | Two configured gases |
| Enclosure | Rubberised polycarbonate |
| Dimensions | 56(W) × 89(H) × 21(D) mm |
| Weight | 200 g |
| Operating temperature | -20°C to +50°C |
| Operating humidity | 15% to 90% RH, non-condensing |
| Ingress protection | IP67 |
| Battery | Replaceable 3.6 V Li/SOCl₂ primary cell |
| Data logging | Most recent 30 alarms |
| Warranty | 2 years from date of purchase |
What It Solves
Workers often need to watch two hazards at once without carrying two separate instruments. DUO TRACER combines two configured gas channels, multiple alarm methods, and logged events in one lightweight detector that can be maintained through docking equipment.
Request a quote for DUO TRACER gas combination and availability.

