SMALL OEM TCD for GC APPLICATIONS

 

Hydrogen (H2) concentration, purity, upper and lower explosion level (LEL & UEL)

 

Analysis of process gases

 

Solution for gas chromotography (TCD MEMS)

 

Customization and R&D

 

Customized Adaptations of OEM Devices for Precise Gas Measurements Based on Thermal Conductivity

 

When measuring gases in challenging environments, accurate and reliable results are of utmost importance. OEM gas measurement devices with customized adaptations offer an outstanding solution to meet specific requirements in various applications. Particularly based on thermal conductivity, these devices enable precise measurements of gases such as hydrogen, which are commonly used in gas chromatographs, biogas measurement systems, and syngas measurement systems.

 

Customized adaptations for precise gas measurements: OEM gas measurement devices are developed in close collaboration with customers to meet their individual requirements. An important feature of these devices is their ability to utilize thermal conductivity to perform accurate measurements. By precisely detecting thermal changes, these devices can deliver high-quality measurement results.

SPECIFICATION
Dimensions with connectors; weight B=54 mm, H=80 mm, D=34 mm; ~500g
Power supply 12-36 VDC, 24 W
Digital Output RS485 or TTL Baud rate 19200/ Data 8bit
Analog Output 4-20 mA, 3-wire connection
Ambient temperature range -10 °C to 50 °C
Warm up time Approx. lOmin Approx. 10 min
Flow rate 10 l/h-120 l/h
90-time < 1s
Noise < 0,5 ppm
Drift at zero point < 50 ppm per week
Repeatability < 50 ppm
Error due to change of ambient temperature < 50 ppm per 10 °C
Error due to change of flow at 70 1/h < 50 ppm per 10 l/h
Gas pressure (absolute) 0,8 – 200 bara / 700 bara on request
Error due to change of pressure (above 800h Pa) < 50 ppm per 10 hPa
All data refer to 0,5 vol% H2 in N2
MEASUREMENT COMPONENTS AND RANGES
SPECIFICATION
CARRIER GAS
BASIS RANGE
SMALLEST RANGE
SPECIFICATION
Hydrogen (H2)
CARRIER GAS
Nitrogen (N2) or Air
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 0.2%
SPECIFICATION
Oxygen (O2)
CARRIER GAS
Nitrogen (N2)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 15%
SPECIFICATION
Helium (He)
CARRIER GAS
Nitrogen (N2) or Air
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 0.8%
SPECIFICATION
Carbon dioxide (CO2)
CARRIER GAS
Nitrogen (N2) or Air
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 3%
SPECIFICATION
Nitrogen (N2)
CARRIER GAS
Argon (Ar)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 3%
SPECIFICATION
Oxygen (O2)
CARRIER GAS
Argon (Ar)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 2%
SPECIFICATION
Hydrogen (H2)
CARRIER GAS
Argon (Ar)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 0.1%
SPECIFICATION
Helium (He)
CARRIER GAS
Argon (Ar)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 0.5%
SPECIFICATION
Carbon dioxide (CO2)
CARRIER GAS
Argon (Ar)
BASIS RANGE
0% – 60%
SMALLEST RANGE
0% – 10%
SPECIFICATION
Argon (Ar)
CARRIER GAS
Carbon dioxide (CO2)
BASIS RANGE
40% – 100%
SMALLEST RANGE
SPECIFICATION
Methane (CH4)
CARRIER GAS
Nitrogen (N2) or Air
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 2%
SPECIFICATION
Methane (CH4)
CARRIER GAS
Argon (Ar)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 1.5%
SPECIFICATION
Argon (Ar)
CARRIER GAS
Oxygen (O2)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 3%
SPECIFICATION
 
CARRIER GAS
 
BASIS RANGE
 
SMALLEST RANGE
 
SPECIFICATION
 
CARRIER GAS
 
BASIS RANGE
 
SMALLEST RANGE
 

SPECIFICATION
CARRIER GAS
BASIS RANGE
SMALLEST RANGE

SPECIFICATION
Nitrogen (N2)
CARRIER GAS
Hydrogen (H2)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 2%
SPECIFICATION
Oxygen (O2)
CARRIER GAS
Nitrogen (N2) or Air
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 3%
SPECIFICATION
Hydrogen (H2)
CARRIER GAS
Helium (He)
BASIS RANGE
20% – 100%
SMALLEST RANGE
   –   
SPECIFICATION
Hydrogen (H2)
CARRIER GAS
Methane (CH4)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 0.5%
SPECIFICATION
Hydrogen (H2)
CARRIER GAS
Carbon dioxide (CO2)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 0.5%
SPECIFICATION
Sulfur hexafluoride (SF6)
CARRIER GAS
Nitrogen (N2) or Air
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 2%
SPECIFICATION
Nitrogen dioxide (NO2)
CARRIER GAS
Nitrogen (N2)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 5%
SPECIFICATION
Hydrogen (H2)
CARRIER GAS
Oxygen (O2)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 0.2%
SPECIFICATION
Argon (Ar)
CARRIER GAS
Xenon (Xe)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 3%
SPECIFICATION
Neon (Ne)
CARRIER GAS
Argon (Ar)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 1.5%
SPECIFICATION
Krypton (Kr)
CARRIER GAS
Argon (Ar)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 2%
SPECIFICATION
Extinguishing gas (R125)
CARRIER GAS
Nitrogen (N2) or Air
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 5%
SPECIFICATION
Deuterium (D2)
CARRIER GAS
Nitrogen (N2) or Air
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 0.5%
SPECIFICATION
Deuterium (D2)
CARRIER GAS
Helium (He)
BASIS RANGE
0% – 100%
SMALLEST RANGE
0% – 5%
SPECIFICATION
 
CARRIER GAS
 
BASIS RANGE
 
SMALLEST RANGE
 

Application Areas:

Gas Chromatographs:

OEM gas measurement devices find application in gas chromatographs to analyze various gases accurately. By measuring thermal conductivity, these devices can determine the concentration of hydrogen gases in the sample. This technology allows for the precise separation and identification of compounds, which is crucial for applications in chemistry, petrochemistry, and environmental analysis.

Biogas Measurement Systems:

OEM gas measurement devices play a vital role in biogas production and utilization. By accurately measuring thermal conductivity, these devices can detect the hydrogen content in biogas. This is essential as hydrogen serves as an indicator for the optimal operation of biogas plants. The precise measurements contribute to monitoring and controlling biogas processes.

Syngas Measurement Systems:

In syngas production, particularly during the conversion of coal or biomass into syngas, OEM gas measurement devices with thermal conductivity measurement enable reliable monitoring of the hydrogen content in syngas. This ensures efficient operation of the facilities and optimal production conditions for further processing.

GENERAL APPLICATION SECTORS

oil & gas, petrochemicals, chemicals and synthetics

gas chromatographs

air separators and pure gas production

detection of gas leakages

pharmacy

food industry

metals, minerals, pulp and paper

power generation

environmental technology

Advantages of Hydrogen Detection Technology:

The utilization of thermal conductivity for hydrogen detection offers several advantages. Firstly, hydrogen is a highly flammable gas, and its accurate monitoring is crucial for minimizing safety risks. OEM gas measurement devices with thermal conductivity measurement provide a reliable method for hydrogen detection. Secondly, the precise measurement of thermal conductivity allows for accurate determination of hydrogen content in various gas mixtures, which is essential for effective process control and quality assurance.

Conclusion:

Customized adaptations of OEM gas measurement devices based on thermal conductivity provide a reliable and precise solution for gas measurement, particularly for hydrogen detection. These devices find application in gas chromatographs, biogas measurement systems, and syngas measurement systems, contributing to safety, process optimization, and quality assurance in various industries. Collaborating with an OEM manufacturer enables customers to obtain tailored solutions that meet their specific requirements while ensuring the highest measurement accuracy and reliability.

INFORMATION

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Phone : +49 (0)69 247544980

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