Gasera One trace level photoacoustic spectroscopy multi-gas analyzer

Overview 

Trace impurity gases such as hydrocarbons, H2O, CO, CO2, NOx, N2, H2S, etc., are harmful to the production of high purity helium, high purity hydrogen, high purity nitrogen, other high purity gases and olefin gases. It can damage production equipment and affect production quality, and even pose a fatal threat to equipment that USES these gases. The DKF10-MH trace level multi-component gas analyzer developed by Duketech and Finland Gasera co., ltd. specializes in the monitoring and analysis of PPM micro-level and PPB ultra-micro level impurity gases.

Principle 

DKF10-MH trace level multi-component gas analyzer based on infrared photoacoustic technology. It has a pulse infrared light source, through narrow band optical filter, forming 10 spectral bands in the middle infrared region, for gas analysis. Ultra-high sensitivity based on patented  enhanced cantilever optical microphone technology. which can be achieved through 10 optical narrowband filters. Extremely narrow optical filters can remove the interference of background gas. Multiple spectral regions can facilitate minimum cross sensitivity. The sampling response results were calibrated according to the improved classical least square method. Photoacoustic spectroscopy technology can realize high sensitivity measurement of short optical path, further improve the nonlinear compensation technology, can achieve wide range up to 5 levels of linear dynamic range ratio

Gases 

Hydrocarbons : CH4 C2H6 C2H2 C2H4 etc.

Inorganic gases: CO2、CO、N2O、SO2、NO、NO2, NH3、NF3、SF6、H2O etc.

Volatile organic compounds (VOCs): Acetone, ethanol, methanol, benzene, toluene, xylene, formaldehyde etc.

Freon(CFCs) and perfluorocarbon（PFCs）:  CF4、 C2F6、R-134a、R13 etc.

Corrosive gas: HF、HCL、HCN etc.

Anesthetic: Isoflurane, sevoflurane, desflurane, anflurane

Other gases: N2、H2、O2、Cl2 etc. (optional    extended probe)

Customizable measuring gases

Application 

Up to 9 gases  measured simultaneously

PPB, sub-ppm level limited detection

Instant measurement, real-time analysis, second response time

Long calibration period, low sample volume

High - resolution graphic display interface, friendly UI

Rich programmable measurement tasks

Graphs and tables show all gas measurements

Built-in trending view monitoring tasks

No external computer is required

No consumables, maintenance free

4-20mA analog RS232 RS 485 communication

Rugged case design

Advantages 

Infrared photoacoustic spectroscopy with an optical microphone with an enhanced cantilever

Electronic pulse infrared light source

Gold-plated sampling chamber constant temperature 50 ° C

Patented ultra-sensitive optical microphone based on MEMS cantilever sensor, coupling laser interferometry to measure the micro movement of the cantilever beam

19"3U industrial chassis, suitable for all bench or rack mounting

Embedded computer with a 5.7" front-facing display settable gas alarm threshold

The data storage is about 2GB, sufficient 9 kinds of gas stored continuously for one year

Measurement results exportable via USB drives, USB ports, Ethernet network ports, and serial ports

Four gas connects in rear panel, two for sampling with dust particle filters

Automatic compensation for temperature, pressure and other changes in the operation condition of interference

Specification 

Response time: According to the channel integral time (C.I.T.) and gas exchange cycle, typically it takes 30s to a few minutes.

Limited detection: sub-ppm, customizable

Repeatability: 1% of measurement result (under calibration condition)

Accuracy: typical 2~5%

Dynamic range: typical 5 orders  100,000 detection limits

Zero drift: 1% detection limit/year

Span drift: 3% measurement value/year

Operation condition:

 temperature range: 0 °C – +45 °C

Humidity range: lower than 90% RH   no condensation

Pressure range: atmosphere

Protection grade:  IP20 (IEC 529) 

Vibration test: 33 Hz strong vibration

Storage condition: temperature range: -20 °C – +60 °C 

Sampling condition:  temperature range: 0 – +49 °C  no condensation

Pressure range: 930 mbar – 1100 mbar

Humidity range:  dew point: +8 °C or higher

Flow rate: approximately 1L/min

Particle : < 1 μm

Dimension: 48.4cm Wx13.9cm Hx40.5cm D (19.1in Wx5.5in Hx16.0in D) 

Weight : approximately 13kg

Total sampling volume:<30mL optional pump (Negative pressure 100hPa)  longest distance  100 meters

Gas connection: 6/4mm tube with quick plug, customizable

Electrical connection

Power supply: 100 - 240VAC, 50 - 60 Hz   

Input power: 100W

Communication interface: Ethernet、USB、RS232、RS485