APHA-370

Hydrocarbon Monitor / THC Analyser

Our APHA-370 measuring device is a continuously operating analyzer for determining Total hydrocarbons (THC), CH4  and non-CH4  in the ambient air. Further applications exist in various areas of process and trace analysis. The Horiba measuring device APHA-370 is a flame ionization detector that uses the "cross flow modulation principle".  Measuring gas and reference gas are fed alternately to the measuring cuvette.  The measurement gas serves as the reference gas. in which the THC concentration was eliminated. This guarantees low-maintenance operation and extremely stable measurements. The measuring device is almost interference-free and has an internal measuring gas pump. The burner air is generated from the ambient air and fed to the detector.

Division: Ambient
Manufacturing Company: HORIBA, Ltd.
Base product: AP-370 Series

• Selective combustion flame ionization detector measures total hydrocarbon (THC), NMHC and CH4  simultaneously.
• Single detector eliminates zero drift; Low range: 0-5 ppmC F.S.
• Integrates relative sensitivity correction for CH4  and NMHC.
• Integrates a reference and combustion air generator, NMHC cutter and sample pump.
• Requires H2 as fuel gas for the FID.

Applications:

Monitoring of Airborne Molecular Contamination in Clean Room of Electronics Industry

 

Measuring principle

Flame ionization detector(FID)

 

Applications

THC Measurement in ambient air

 

Measuring range

• standard : 0-5/ 10/ 25/ 50 ppm

Can be controlled manually, automatically or externally
Optional: measuring range extension 0-100 ppm.

• max. measuring range ratio = 1:10

 

Limit of detection

0,022 ppm (3δ)

 

Repeatability

±1.0 % of full scale

 

Linearity

±1.0 % of full scale

 

flow rate

ca. 0,5 l/min

 

Response time (T90)

< 60 sec. (lowest range)

 

Display

Concentration in ppm (ppb) or mg (µg)/m3

 

Compensation

pressure and temperatur

 

Languages

German, English, French, Japanese

 

Interfaces

RS-232C (Gesytec / HORIBA Protocol)

 

Options

• Ethernet Interface

• Analooutput 0-1/10 V or 0(4) - 20 mA

• Long-term data storage

• Calibration units

• Further options on request

 

Ambient temperature

0-40°C

 

Power supply

240 VAC, 50 Hz, ca. 170 VA

 

Dimensions

430(W) x 550(D) x 221(H) mm (5HE)

 

weight

Approx. 33 Kg.

Monitoring of Airborne Molecular Contamination in Clean Room of Electronics Industry
Monitoring of Airborne Molecular Contamination in Clean Room of Electronics Industry

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