Product Features
● Capable of detecting 1–18 gases simultaneously.
Selectable concentration units include ppm, umol/mol, mg/m³, %VOL, %LEL, pphm, ppb, etc.
● Built-in pump sampling system with integrated moisture and dust filters, ensuring fast response and stable measurement.
● Splash-proof, dustproof, explosion-proof, and vibration-resistant design, with intrinsically safe circuitry, anti-static protection, and resistance to electromagnetic interference.
● Three switchable display modes:
Simultaneous display of four gas concentrations
Large-font single-channel display cycling through gas readings
Real-time curve display
Channels can cycle automatically or manually.
● Optional display of maximum value, minimum value, and average value.
● Supports real-time detection or scheduled detection modes.
● Multiple alarm methods and alarm mode configurations with multi-directional alarm indications.
Alarm methods
Audible alarm
Visual alarm
Audible + visual alarm
Vibration alarm
Alarm types
Gas concentration alarm
Low battery alarm
Fault alarm
Alarm modes
Low alarm
High alarm
Range alarm
Time-weighted average alarm
● Factory reset function
● Automatic zero tracking, eliminating long-term zero drift.
● Multi-level calibration
● Automatic identification and prevention of misoperation during concentration calibration
● Optional ambient temperature and humidity measurement
● Optional RS485 communication interface, with additional communication interfaces available upon request.
● Supports OEM and ODM customization.
Technical Specifications
| Item | Specification |
| Detectable Gases | Toxic gases, oxygen, carbon dioxide, combustible gases, TVOC, etc. 1–18 gases can be combined freely (expandable up to 24 gases). |
| Optional Parameters | Temperature & humidity, pressure, PM2.5, PM10 |
| Detection Range | 0–1, 10, 100, 1000, 5000, 50000 ppm (mg/m³); 0–100%LEL; 0–200 mg/L; 0–20%, 50%, 100%VOL; other ranges available |
| Resolution | 0.001 ppm, 0.01 ppm, 0.1 ppm, 1 ppm; 0.1%LEL; 0.1 mg/L; 0.01%Vol, 0.001%Vol; other resolutions customizable |
| Detection Principle | Electrochemical, catalytic combustion, infrared, thermal conductivity, semiconductor, zirconia, PID photoionization, UV absorption, laser TDLAS, depending on gas type and application |
| Typical Accuracy | ≤ ±2% F.S. (higher accuracy customizable) |
| Linearity | ≤ ±2% |
| Repeatability | ≤ ±2% |
| Uncertainty | ≤ ±2% |
| Response Time | T90 ≤ 30 seconds |
| Recovery Time | ≤ 30 seconds |
Operating Conditions
| Item | Specification |
| Operating Temperature | -20℃ ~ +55℃ (typical) / -40℃ ~ +70℃ (extreme) |
| Humidity | ≤ 95% RH (non-condensing) |
| Optional Temperature Measurement | -40℃ ~ +70℃, accuracy ±0.5℃ |
| Optional Humidity Measurement | 0–100% RH, accuracy ±3% RH |
System Specifications
| Item | Specification |
| Power Supply | DC 3–5V |
| Battery | Two 5400mAh rechargeable polymer lithium batteries |
| Display | 3.5-inch HD color screen |
| Operation | 8-button keypad |
| Sampling Method | Built-in pump sampling |
| Pump Flow Rate | 800 mL/min |
| Communication Interface | USB (charging & communication), optional RS485 and infrared communication |
| Data Storage | Standard capacity 100,000 records (expandable) |
Protection & Certification
| Item | Specification |
| Protection Rating | IP66 dustproof and splash-proof |
| Explosion Protection | Intrinsically Safe Ex ia IIC T4 Ga; Ex iaD 20 T130℃ |
Physical Specifications
| Item | Specification |
| Dimensions | 255 × 210 × 125 mm (L × H × W) |
| Custom Size | 420 × 210 × 125 mm |
| Weight | Approx. 3.2 kg (varies depending on gas configuration) |
Standard Accessories
• User manual
• Certificate of conformity
• Warranty card
• Back clip
• USB charger with data cable
• 0.4 m stainless steel sampling probe with sintered filter
• Dedicated safety carrying case
Optional Functions
• Pressure detection
• Fall detection alarm
• Wireless communication: Bluetooth / WiFi / LoRa / 4G / 5G
• RS232 / RS485 output
• SOS emergency call button
• Interlinked alarm system
• Wind speed detection
• Particle monitoring
Optional Accessories
• 0.9 m telescopic sampling probe
• High-temperature sampling probe
• High-humidity filter
• Built-in printer
Applications
Widely used in industries requiring portable and rapid gas concentration detection, including:
• Petroleum and petrochemical
• Chemical industry
• Pharmaceutical manufacturing
• Environmental protection monitoring
• Gas distribution
• Warehousing safety monitoring
• Flue gas analysis
• Air quality control and treatment
