Portable Pump-Suction 5-in-1 Gas Detector
The Portable Pump-Suction 5-in-1 Gas Detector is a professional multi-gas monitoring device designed for industrial safety applications. It supports simultaneous detection of 1–5 gases with fast pump sampling, high accuracy, and intrinsically safe explosion-proof certification, making it ideal for hazardous and confined environments.
Core Features
Simultaneous detection of 1–5 gases (configurable)
Selectable concentration units: ppm, μmol/mol, mg/m³, %VOL, %LEL, pphm, ppb
Built-in pump suction sampling (500 mL/min) with moisture & dust filter
Intrinsically safe circuit design with strong anti-static and EMI resistance
Splash-proof, dust-proof, vibration-resistant housing (IP66)
Three display modes:
Five-gas simultaneous display
Large-font single-channel cyclic display
Real-time concentration curve
Optional Max / Min / Average value display
Real-time or timed detection modes
Multiple alarm methods: audible, visual, audible & visual, vibration
Alarm types: concentration, low battery, fault
Alarm modes: low / high / interval / TWA
Automatic zero-point tracking (anti-drift technology)
Multi-level calibration with misoperation prevention
Factory reset function
Optional temperature & humidity measurement
Optional RS485 and customizable communication interfaces
OEM / ODM customization supported
Technical Specifications
| Item | Specification |
| Detectable Gases | Toxic gases, O₂, CO₂, combustible gases, TVOC (1–5 gases configurable) |
| Detection Principles | Electrochemical, Catalytic Combustion, Infrared (NDIR), Thermal Conductivity, Semiconductor, Zirconia, PID, Laser TDLAS |
| Detection Range | 0–1 / 10 / 100 / 1000 / 5000 / 50000 ppm; 0–100%LEL; 0–200 mg/L; 0–20%, 50%, 100%VOL |
| Resolution | Up to 0.001 ppm; 0.1%LEL; 0.001%VOL (customizable) |
| Typical Accuracy | ≤ ±2% F.S. (higher accuracy available upon request) |
| Linearity | ≤ ±2% |
| Repeatability | ≤ ±2% |
| Uncertainty | ≤ ±2% |
| Response Time | T90 ≤ 30 seconds |
| Recovery Time | ≤ 30 seconds |
| Operating Temperature | –20°C to +55°C (typical); –40°C to +70°C (limit) |
| Operating Humidity | ≤ 95% RH (non-condensing) |
| Sampling Method | Built-in pump suction |
| Flow Rate | 500 mL/min |
| Display | 2.5” 320×240 color screen, 8-button operation |
| Power Supply | DC 3–5V, 6000mAh rechargeable lithium polymer battery |
| Communication | USB (charging & data); optional RS485, infrared |
| Data Storage | 100,000 records (expandable) |
| Protection Rating | IP66 |
| Explosion Protection | Ex ia IIC T4 Ga; Ex iaD 20 T130°C |
| Dimensions | 195 × 77 × 46 mm |
| Weight | Approx. 500 g |
Applications
Oil & Gas Industry
Petrochemical Plants
Pharmaceutical Manufacturing
Environmental Monitoring
Gas Distribution
Warehousing & Confined Space Entry
Flue Gas Analysis
Air Quality Control
Suitable for all environments requiring portable and rapid gas concentration detection.
