Place of Origin:
CHINA
Certification:
CE
Model Number:
KGD-MQ-513
The Portable Coal Gas Analyzer KGD-MQ-513 utilizes advanced non-dispersive infrared (NDIR) gas analysis technology combined with long-life electrochemical sensing and MEMS-based thermal conductivity technology. This analyzer provides simultaneous measurement of coal gas and biogas calorific values along with volume concentrations of CO, CO₂, CH₄, H₂, O₂, and CₙHₘ gases.
Measured Components | CO/CO₂/CH₄/H₂/O₂/C₂H₂/C₂H₄/CₙHₘ*/Calorific Value |
---|---|
Measurement Principle | CO/CO₂/CH₄/C₂H₂/C₂H₄/CₙHₘ: NDIR; H₂: TCD; O₂: ECD |
Measurement Range | CO/CO₂/CH₄/H₂: (0 - 100)% O₂: (0 - 25)% C₂H₂/C₂H₄/CₙHₘ: (0 - 10)% (Optional) |
Linear Error | CO/CO₂/CH₄/C₂H₂/C₂H₄/CₙHₘ: ±1%F.S. O₂/H₂: ±2%F.S. |
Resolution | ≤ 0.01% |
Repeatability | ≤ 1% |
Response Time | T90 < 15s (NDIR) |
Optimal Flow Rate | (0.7 - 1.2) L/min |
Inlet Pressure | (2 - 50) kPa |
Gas Requirements | Dust-free, water-free, oil-free |
Dimensions | 412 × 152 × 294 (mm) |
Weight | 9kg |
Power Supply | Built-in rechargeable lithium-ion battery with external 12.6V charger |
Display | LCD |
Additional Features | Built-in sampling air pump Optional pretreatment device Calorific value unit conversion (Kcal/m³ and MJ/m³) Self-diagnosis function for sensor status monitoring |
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