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Beijing  Topsky  Century Holding Co.,Ltd
Mission:To let the world more safer. Technical route:To solve the problem of traditional security with non-traditional technology. Customer groups:Public security and production safety
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LX-3100N Portable Gas Detector High Precision With Organic Gas Analysis System

LX-3100N Portable Gas Detector High Precision With Organic Gas Analysis System

Brand Name : TOPSKY
Model Number : LX-3100N
Place of Origin : China
MOQ : 1 Set
Price : USD25000-30000/SET
Supply Ability : 50Sets/Month
Packaging Details : Export package
Name : LX-3100N Portable natural gas chromatograph with good quality
Analysis period : <20min
Maximum error : 3)<3%
Stabilization time : 4) <30min
working environment : -10~50℃
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Portable Gas Detector


LX-3100N Portable natural gas chromatograph with good quality


1.Instrument overview

According to the current national standards such as GB17820-2012 “Natural Gas” and GB18047-2000 “Compressed Natural Gas for Vehicles”, there are 5 technical indicators for the commercial natural gas delivered through the pipeline after the natural gas produced in the gas field or oil field is pretreated. Schedule 1), ie high calorific value, total sulfur, hydrogen sulfide, carbon dioxide and water dew point, wherein the high calorific value is analyzed by gas chromatography.

The LX-3100N portable natural gas chromatograph is equipped with a highly sensitive thermal conductivity and hydrogen flame detector. The 10-way valve backflushing process can complete the hydrocarbons such as C1-C6 and C6+ in the natural gas specified in GB/T13610-2014. Analysis of class components and inorganic gases such as He, H2, O2, N2, CO2; according to the content of each component, and according to GB/T 11062-2014 "calculation of natural gas calorific value, density, average density and Wobbe index" Method" calculates the high calorific value (heat value) of natural gas.

Itemone typeTwo typeThree type
High calorific value,MJ/m336.031.431.4
Total sulfur (calculated as sulfur),mg/ m360200350
H2S,mg/ m36≤20≤350
Co2,%(V/V) ≤2.03.0-
Water dew point,℃At the junction pressure, the water dew point should be 5 ° C lower than the minimum ambient temperature under the transport conditions.
  • Note:
  • l The standard reference condition for gas volume in this standard is 101.325 kPa, 20 °C
  • l Under the conveying condition, when the buried temperature of the pipe top is 0 °C, the water dew point should not be higher than -5 °C.
  • For natural gas entering the gas pipeline, the pressure at the water dew point should be the highest delivery pressure.
  • Measuring range:
Component nameConcentration range (molar fraction)y/%Component nameConcentration range (molar fraction)y/%
helium0.01~10Isobutane0.01~10
hydrogen0.01~10N-butane0.01~10
oxygen0.01~20Neopentane0.01-2
N20.01~100Isopentane0.01-2
CO20.01~100N-pentane0.01-2
CH40.01~100Hexane0.01-2
Ethane0.01~100
Propane0.01~100
  • Precision:
Component concentration range (molar fraction)RepeatabilityReproducibility
0~0.10.010.02
0.1~1.00.040.07
1.0~5.00.070.10
5.0~100.080.12
>100.200.30
  • Standard function:
  • 1) Organic Gas Analysis System
  • 2) Inorganic gas analysis system
  • 3) Data Processing System
  • 4) Calorific value calculation software
  • nTechnical performance:
  • 1) Analysis period: <20min
  • 2) Maximum error: <3%
  • Stabilization time: <30min
  • working environment:-10~50℃

Other parameters:

  • 1) Dimensions: 625 × 500 × 297mm
  • 2) Weight: <20kg
  • 3) Power source: 220V±22V, 50Hz
  • 4) Power: ≤500W

2.Technical characteristics

  • ² Highly integrated and integrated design:
  • The LX-3100N portable natural gas chromatograph adopts a new integrated design, which integrates four gas sources, computer and chromatography workstations such as argon, hydrogen, air and standard gas into the instrument. No external gas source and computer are required. The original imported storm trolley case has an anti-drop height of more than 1.2 meters.

The third detector process technology enables complete separation of all components:

The LX-3100N portable gas chromatograph uses a valve cutting process technology with a high-sensitivity thermal conductivity detector and a flame ionization detector to reduce inspection time while greatly improving detection sensitivity.

The helium carrier gas uses back pressure control technology to greatly reduce the impact of the injection peak on hydrogen analysis:

Due to the short peak time, hydrogen is more susceptible to interference from the injection peak. The LX-3100N portable natural gas chromatograph uses back pressure valve control technology, which can effectively reduce the interference of the injection peak on the hydrogen peak and reduce the human factor. The effect of hydrogen detection greatly improves the accuracy of hydrogen detection.

Using mixed packing column technology to greatly improve peak response and extend column life:

The LX-3100N portable gas chromatograph uses a new mixed-package column and ERIC tubing to minimize sample adsorption and increase hydrocarbon response by up to 20 times.

² High sensitivity thermal conductivity detector is used to greatly improve the detection sensitivity of hydrogen:

Unlike traditional thermal conductivity detectors, the LX-3100N portable natural gas chromatograph is equipped with a high-sensitivity thermal conductivity detector with a thorium-tungsten wire resistance of 130 Ω. It has a small cell size and fast response, and the detection limit for hydrogen can be reduced. Up to 2 μL/L.

² Use computer anti-control technology to realize the digital operation of the instrument and one-button boot:

The analysis parameters of the LX-3100N portable gas chromatograph, including the carrier gas pressure, sample pressure, temperature, etc., are set or displayed through the workstation. The operation is simple and the analysis conditions are mastered in real time. The heating and cooling of the instrument can be realized by tapping the mouse on the workstation, completely eliminating the cumbersome operation in the laboratory chromatogram, and basically achieving one-button boot.

²Digital electronic zeroing technology to enhance the anti-jamming capability of the instrument:

LX-3100N portable natural gas chromatograph detector zero signal adopts electronic zero adjustment technology, using high-precision digital circuit for base flow compensation, electronic adjustment of output signal level, reducing parasitic parameters, and thus strong resistance Interference ability.

² Automatic gas shutoff protection to ensure safe operation of the detector:

LX-3100N breathe portable gas chromatograph having protection function, when the carrier gas flow rate is below the threshold value set, a current instrument automatically switches off the thermal conductivity, thermal conductivity detector to prevent burning, improve the safety of use of the instrument.

²The instrument comes with an aging program, and the user can automatically aging the instrument without any complicated settings:

In the daily use of the instrument, in order to ensure the good running state of the instrument, the instrument needs to be aging irregularly. The aging program of the LX-3100N portable natural gas chromatograph allows the user to set the aging program without setting complicated parameters. The instrument will automatically run according to the required parameters, which is convenient for the user to carry out daily maintenance work on the instrument.



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