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Portable Infrared Natural Gas Calorimeter
Portable Infrared Natural Gas Calorimeter
Portable Infrared Natural Gas Calorimeter
Portable Infrared Natural Gas Calorimeter

Portable Infrared Natural Gas Calorimeter

  • Keywords:portable natural gas calorimeter, infrared gas calorimeter, NDIR technology
  • Category:CO2 Analysis and Detection

The Portable Infrared Natural Gas Calorimeter is a high‑precision analytical instrument designed to measure the calorific value and combustion characteristics of natural gas using advanced infrared absorption technology. It provides rapid, accurate, and real‑time analysis of gas composition and heating value without the need for complex laboratory procedures. Compact and lightweight, the device is ideal for field measurements, pipeline monitoring, gas quality assessment, and energy metering applications. Its intelligent control system ensures stable performance, low power consumption, and reliable operation across diverse industrial environments.

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Product Overview

The Portable Infrared Natural Gas Calorimeter is based on Non-Dispersive Infrared (NDIR) technology and provides real-time measurement of the calorific value of coalbed methane and natural gas. It simultaneously detects the volumetric concentrations of CH₄, CnHm, and other gas components. Compared to traditional combustion-based calorimeters, this instrument offers simpler operation, higher accuracy, and cost efficiency, making it ideal for on-site analysis and online gas monitoring.

Technical Principles

The calorimeter employs NDIR gas analysis technology, using the absorption characteristics of gas molecules at specific infrared wavelengths to precisely measure the concentration of CH₄, CnHm, and other multi-component gases. The calorific value of coalbed methane and natural gas is then automatically calculated from the volumetric concentrations. This approach eliminates the complexity of combustion-based methods while avoiding cross-interference between multiple gas components, ensuring highly accurate measurements.

Key Features

  • Multi-Component Gas Analysis: Simultaneously measures CH₄, CnHm, and other gas concentrations and automatically calculates the calorific value of coalbed methane and natural gas.
  • High Accuracy: NDIR technology ensures no cross-interference among gas components, guaranteeing precise calorific value calculations.
  • Portable Design: Lightweight and compact, suitable for field operations and laboratory use; compatible with gas sampling bags.
  • Easy Data Management: Automatically stores measurement data, supports querying and deletion, and allows data transfer via multiple interfaces.
  • Smart Power Management: Soft-start power switch protects the battery and extends operational lifespan.
  • Low Operational Cost: No disassembly, chemical reagents, or consumables required; simple and cost-effective operation.

 

Applications

  • Natural Gas & Coalbed Methane Industry: Quality control and calorific value monitoring for natural gas and coalbed methane at oilfields, pipelines, and gasification plants.
  • Coal Gas Analysis: Evaluates coalbed gas and city coal gas composition and calorific value to ensure gas quality and safety.
  • Industrial & Laboratory Analysis: Supports field and lab measurements for energy companies and gas utilities.
  • Environmental Monitoring: Assesses combustion efficiency and emissions of natural gas or coal gas to support energy conservation and environmental protection.
Parameter Description
Measured Components CH4, CO2, CnHm*, Heating Value
Measurement Principle NDIR
Measurement Range CH4、CO2(0~100)%;CnHm:(0~10)%
Linear Error ±1%F.S.
Resolution 0.01%
Repeatability ≤1%
Response Time T90<10s (NDIR)
Optimal Flow (0.7~1.2)L/min
Inlet Pressure (2~50)kPa
Sample Gas Requirement Dust-free, water-free, oil-free
Communication RS-232
Power Supply Built-in rechargeable lithium battery, external 12.6V charger
Display LCD Display
Features Built-in imported sampling pump
Self-diagnosis function, online sensor status check

 

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