Industrial Site Production Explosion Proof Gas Analyzer KGD-MQ-509 Optimal Flow Rate 0.7-1.2L/min Water-free Gas Requirements
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Response Time | <40s |
| Optimal Flow Rate | 0.7 - 1.2L/min |
| Gas Requirements | Dust-free, water-free, oil-free |
The Explosion-proof Laser Gas Analyzer KGD-MQ-509 utilizes Tunable Diode Laser Absorption Spectroscopy (TDLAS) technology to simultaneously measure volume concentrations of gases including O₂, CO, CO₂, H₂S, and CH₄ in real-time. Designed for industrial environments, this analyzer features pretreatment components for harsh conditions with moisture and dust, along with explosion-proof certification for safe operation in flammable and explosive areas.
- TDLAS technology provides strong anti-interference capability
- Self-diagnosis function for continuous sensor status monitoring
- High automation with minimal maintenance requirements
- Multiple data transmission interfaces for simplified management
- Explosion-proof rating: Ex d ⅡC T6
| Measured Gas | Range | Accuracy | Resolution |
|---|---|---|---|
| O₂ | 0 - 10000ppm | ±2%F.S. | 1ppm |
| O₂ | 0 - 5%VOL | ±2%F.S. | 0.01% |
| O₂ | 0 - 25%VOL | ±1%F.S. | 0.01% |
| O₂ | 0 - 100%VOL | ±0.5%F.S. | 0.01% |
| CO | 0 - 500ppm | ±2%F.S. | 0.1ppm |
| CO | 0 - 1000ppm | ±1%F.S. | 0.1ppm |
| CO | 0 - 5%VOL | ±2%F.S. | 0.01% |
| CO | 0 - 25%VOL | ±1%F.S. | 0.01% |
| CO | 0 - 100%VOL | ±1%F.S. | 0.01% |
| CO₂ | 0 - 1000ppm | ±2%F.S. | 0.1ppm |
| CO₂ | 0 - 5%VOL | ±2%F.S. | 0.01% |
| CO₂ | 0 - 25%VOL | ±1%F.S. | 0.01% |
| CO₂ | 0 - 100%VOL | ±1%F.S. | 0.01% |
| H₂S | 0 - 1000ppm | ±2%F.S. | 0.1ppm |
| H₂S | 0 - 1%VOL | ±2%F.S. | 0.01% |
| CH₄ | 0 - 100ppm | ±2%F.S. | 0.1ppm |
| CH₄ | 0 - 1000ppm | ±1%F.S. | 0.1ppm |
| CH₄ | 0 - 5%VOL | ±1%F.S. | 0.01% |
| CH₄ | 0 - 25%VOL | ±1%F.S. | 0.01% |
| CH₄ | 0 - 100%VOL | ±1%F.S. | 0.01% |
| Electrical Parameters | AC220V, 50Hz |
| Communication | RS-485/RS-232; 4-20mA |
| Display | LCD Display |
| Functional Configuration | Built-in zero-adjustment air pump; self-diagnosis function |
Notes:
① All data measured under standard atmospheric pressure
② Measurement gas standards certified by national metrology department
③ Response time tested at 2L/min flow rate
④ Optimal flow rate 0.7-1.2L/min (up to 2L/min in applications)
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