Overview
Hospitality Enviro Tech FNIRSI SFD-02 is a portable 4-in-1 multi-gas detector designed for industrial safety monitoring. It supports detection of O₂, CO, H₂S, and combustible gases. With a color LCD screen, long-lasting rechargeable battery, and rugged housing, this device ensures reliable protection in various field and industrial applications.
Features
- Detects 4 gases: O₂, CO, H₂S, and combustible gases (LEL)
- High-resolution LCD display
- Portable, lightweight, and ergonomic design
- Audible, visual, and vibration alarms
- Long battery life with rechargeable lithium battery
- Simple calibration and easy operation
- Wide industrial application support
Technical Specifications
| Product Type | Portable 4-in-1 Multi-Gas Detector |
| Detected Gases | O₂, CO, H₂S, Combustible Gases (LEL) |
| Measurement Range | O₂: 0–30% Vol; CO: 0–1000 ppm; H₂S: 0–100 ppm; LEL: 0–100% LEL |
| Resolution | O₂: 0.1%; CO: 1 ppm; H₂S: 0.1 ppm; LEL: 1% |
| Display | 2.4-inch HD Color LCD |
| Alarm Types | Audible ≥ 80 dB, Visual LED, Vibration |
| Data Storage | Up to 100,000 records, exportable via USB |
| Response Time (T90) | ≤ 30 seconds |
| Operating Temperature | -20°C ~ +55°C (-4°F ~ +131°F) |
| Operating Humidity | ≤ 95% RH, non-condensing |
| Power Supply | Rechargeable lithium battery (up to 10–12 hrs continuous use) |
| Charging Time | ≤ 4 hours (via USB/adapter) |
| Housing Material | ABS + PC, rugged and anti-slip |
| Protection Rating | IP65 Dustproof & Waterproof |
| Dimensions | 130 × 70 × 30 mm |
| Weight | ~200 g |







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