Portable Coal Gas Analyzer KGD - MQ - 513

Certification:CE
Model Number:KGD-MQ-513
Minimum Order Quantity:1PCS
Delivery Time:5-8 work days
Payment Terms:L/C,D/A,D/P,T/T,Western Union,MoneyGram
Place of Origin:CHINA
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Address: i City, No11, TangYan South road, Yanta District, Xi'an,Shaanxi,China.
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Product Details

Portable Coal Gas Analyzer KGD - MQ - 513

Product Introduction

The Portable Coal Gas Analyzer KGD - MQ - 513 adopts non - dispersive infrared (NDIR) gas analysis technology with independent intellectual property rights, long - life electrochemical sensing technology, and MEMS - based thermal conductivity technology. It can simultaneously measure the calorific values of coal gas and biogas, as well as the volume concentrations of gases such as CO, CO₂, CH₄, H₂, O₂, and CₙHₘ.

Product Features

  • Simultaneously measures gas components and calorific values: It can simultaneously measure the volume concentrations of gases such as CO, CO₂, CH₄, H₂, O₂, and CₙHₘ, and automatically calculate and display the calorific values of coal gas and natural gas, replacing the combustion - type calorific value meter.
  • High measurement accuracy: No cross - interference among multi - component measured gases: CₙHₘ has no interference on the measurement result of CH₄, and CO, CO₂, and CH₄ have no interference on the measurement result of H₂. It is less affected by the outside world, and the change of gas sampling flow has no impact on the measurement result of the H₂ thermal conductivity sensor. Measuring the volume concentration of CₙHₘ ensures the accuracy of the calorific values of gases such as coke oven gas, mixed gas, producer gas, and straw gas.
  • Portable body design: Easy to carry, it can meet the needs of both on - site industrial measurement and laboratory airbag sampling analysis.
  • Intelligent power management: Soft - start power switch and intelligent battery power management avoid the instrument from operating under low - power conditions.
  • Simple data management: Automatically stores measurement data, with query and deletion functions, and can transmit data to the superior centralized control system through multiple interfaces.
  • Low cost of use: Compared with gas analysis technologies such as Orsat and chromatography, the measurement process does not require disassembly and installation, consumption of chemical reagents, etc. It has a simple structure, is easy to operate, and has no consumables.

Technical Parameters

Measured ComponentsCO/CO₂/CH₄/H₂/O₂/C₂H₂/C₂H₄/CₙHₘ*/Calorific Value
Measurement PrincipleCO/CO₂/CH₄/C₂H₂/C₂H₄/CₙHₘ: NDIR; H₂: TCD; O₂: ECD
Measurement RangeCO/CO₂/CH₄/H₂: (0 - 100)%
O₂: (0 - 25)%; C₂H₂/C₂H₄/CₙHₘ: (0 - 10)% (Optional)
Linear ErrorCO/CO₂/CH₄/C₂H₂/C₂H₄/CₙHₘ: ±1%F.S.; O₂/H₂: ±2%F.S.
Resolution≤ 0.01%
Repeatability≤ 1%
Response TimeT90 < 15s (NDIR)
Optimal Flow Rate(0.7 - 1.2) L/min
Inlet Pressure(2 - 50) kPa
Gas RequirementsDust - free, water - free, oil - free
External Dimensions412152294 (mm)
Weight9kg
Electrical ParametersElectrical Parameters
CommunicationRS - 232
Power SupplyPowered by built - in rechargeable lithium - ion battery, with an external 12.6V charger
DisplayLCD Display
Functional ConfigurationBuilt - in sampling air pump
Optional pretreatment device
Calorific value units Kcal/m³ and MJ/m³ can be freely switched
Self - diagnosis function available for on - line inspection of sensor status
NoteCₙHₘ represents the sum of other hydrocarbons except methane.
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Portable Coal Gas Analyzer KGD - MQ - 513

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