OverviewUniphos FumiSense Pro – PH3 Lo is a handheld phosphine (PH3) monitor designed for rapid spot checks and leak detection around fumigated stacks, silos and ships. The unit features an inbuilt sampling pump, backlit OLED display and user-configurable data logging for traceable field inspections.
Applications- Leak detection and spot checks around fumigation stacks, grain silos, containers and vessels.
- Personal safety checks at occupational TLV/TWA levels prior to access.
- Verification of sealing and perimeter checks during fumigation campaigns.
Key features- Measurement range: 0–20 ppm PH3.
- Resolution: 0.01 ppm for precise low-range readings.
- Backlit 20×4 alphanumeric OLED display for low-light operation.
- Integrated air sampling pump capable of drawing samples up to 30 m.
- Continuous and batch sampling modes for flexible field use.
- User-settable datalogging with date, time, location and concentration values.
- USB interface and GUI for data download, sorting and report generation.
Technical specifications- Sensor type: Electrochemical sensor for PH3.
- Accuracy: typically ±2% FS (dependent on calibration gas and method).
- Drift: <2% of signal per month under constant conditions.
- Alarm: one user-settable alarm set point for low-range detection.
- Inbuilt pump flow rate: 400–800 ml/min.
- Power: 7.4 V Li-ion rechargeable battery pack; instrument power 3.5 V DC, 60 mA.
- Runtime: approximately 6–8 hours per charge.
- Operating temperature: -20 °C to 40 °C.
- Display: 20×4 alphanumeric OLED, backlit.
- Enclosure: high-impact ABS.
- Dimensions: H 205 mm × D 38 mm × W1 108 mm × W2 65 mm.
- Weight: 500 g.
Accessories- Dust filter.
- Battery charger.
- USB data cable and outlet coupler.