CAI – GPA 2000 gasanalysator

The CAI GPA 2000 Gas Purity Analyzer is capable
of providing the end user with a continuous gas
measurement or, if desired, the ratio of
gases in a binary gas mixture based on
de fysiska egenskaperna hos de närvarande gaserna.

The speed of sound in a gas depends on the temperature, specific heat and molar mass of the gas. By precisely measuring the speed of sound via a resonant acoustic cell, together with the temperature of a gas mixture and knowing the thermodynamic properties and molar mass of the gases present, the GPA 2000 can determine the composition of a gas mixture with an accuracy of approximately 0.1%.

The GPA 2000 is equipped with data on nearly 500 gases characterized by a wide range of concentrations. This gas information is easily selected from the front panel or remotely controlled via a digital interface, allowing over 50,000 different mixtures to be measured. Gases can be added to data tables which can be user-defined gas mixtures that can be treated as a gas species.

 

 

Product sheet

CAI_GPA_2000

Measurement Principle

Speed of Sound via Resonant Frequency Detection

Detector

Resonant Acoustic Cell + Wideband Microphone

Speed of Sound Range

100 to 1500m/s

Sample Flow Cell

Electropolished 304 Stainless Steel

Concentration Accuracy

+/- 0.01 to 0.1% typical (appl/gas species dependent)

Response Time

Electronic Response is T90 in 10 secconds

Power Requirement

24VDC Nominal (12 to 48VDC), 0.1 to 2.5A

Operating Temperature

– 20 to +70 Deg C (max)

Operating Pressure

Up to 150psia (max)

Operating Flow Rate

Up to 5000sccm

Analog Outputs

0-5V, 0-10V and 4-20mA

Digital Outputs

RS-232, RS-422 and USB (WHQL high speed USB 2.0)

Enclosure 1-Type / Dims / Wt

Gen. Purpose, Wall Mount (5.5”W x 4.5”H x 3.25”D / 7lbs

Enclosure 2-Type / Dims / Wt

NEMA-4X, Wall Mount (10”W x 11H” x 5.5D”) / 10lbs

Enclosure 3-Type / Dims / Wt

EXD, Suitable for Class 1, Division 1, Groups B,C & D

Fittings

1/8” (F)NPT for Enclosure Types 1 &2, 1/4” FNPT for Encl 3

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