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Model 8807 portable VOCs analyzer

Date: 2018-01-22

The Model 8807 is a portable VOCs analyzer based on the GC-FID principle. Both the sampling system and the analysis system are heated to a high temperature. THC and CH4 can be measured separately by column separation and backflushing techniques to calculate the total non-methane hydrocarbons NMHC. Analyzer built-in sampling diaphragm pump can be automatically injected. The instrument can adjust the chromatographic system and set up chromatographic software according to the need, measure the content of the specified kind of gas. Up to 8 specified gas components can be measured separately, except for the total methane. The Model 8807 offers the best solution for the portable detection of VOCs.

 Products are widely used in industrial sectors, environmental protection and scientific research fields:

  •  Emission monitoring

  •  Factory flue gas analysis

  •  Air quality testing

  •  Emergency monitoring

  •  Protective boundary detection ...


Working Principle

  The sample was filtered, fed through a ten-way injection valve to the column for separation, separating methane from other hydrocarbons and measured using a FID flame ionization detector. Column can be used capillary column or packed column. Before each measurement, you can zero through the automatic zero calibration system to ensure zero stability. Instrumentation with automatic dedicated chromatography software, Intel processor control instrument running, real-time diagnosis instrument working condition, on the big screen display, you can display the chromatogram and the instrument of the indicators.


 Features

  • Strong and tough

  • NMHC and other specified gas components can be measured simultaneously

  • Highly intelligent, simple and easy to use interface

  • Patented micro-FID technology

  • Wide measuring range, a variety of range optional

  • Full heating measurement system, from the sampling probe to the analyzer, the entire trace with the heat, to prevent condensation of the sample, the measurement data is accurate and reliable

  • The system automatically diagnoses the fault and immediately displays the alarm

  • Built-in sample diaphragm pump

  • Optional mg / m3, ppm and other measurement units

 

Technical Specification

Measurements: NMHC, CH4, THC, specific gas concentration

Range: 0-10 / 20/50/100/200/500 ppm

  0-100 / 200/500/1000/5000/10000 ppm

Unit of measurement: ppm or mg / m3

Lowest detection limit: 0.01ppm

Zero drift: automatic calibration

Drift: 1% FS / 24 hours

Measurement period: 20-180 seconds

Response time: 20-180 seconds

Injection mode: built-in diaphragm pump continuous sampling

Linearity: ± 1% of full scale

Measurement accuracy: ± 1% FS

Sample flow rate: 600 ml / min

Operating temperature: 5-40 ° C

Digital display: 640 * 200 pixel color LCD

  touch screen

Data storage: MMC card

Data Management: Standard SW package

GC configuration information: MMC card, embedded in the front panel slot

Analog output: 0-1VDC, 4-20mA (optional)

Digital output: RS232

Zero / span control: from the front panel or remote control

Fuel gas: 99.999% hydrogen 30 ml / min

Combustion gas: zero air 300ml / min

Calibration gas: x ppmCH4 + y ppmC3H8, air balance

Shell: reinforced aluminum box

Size: 150mmH * 216mmW * 360mmD

Weight: 13Kg

Working power: 230VAC ± 10%, 300 W

Data storage: save more than 30 days data can be exported

Automatic diagnosis: automatic diagnosis of flameout and other failures and alarm

Pipe connection: 1/4 "or 4/6 mm, 1/8" or 1/2 mm


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