The analyzer is supplied with rechargeable Li-Ion battery.
This analyzer is intented primarily for use in checking the correct mixing of nitrox (air enriched with oxygen) and trimix (a mixture of air, helium and oxygen). After connecting the analyzer to a bottle with a breathing mixture, the content of oxygen and helium is shown as percentages directly on the display.
The same type of standard electrochemical sensor normally used in analyzers for diving is used to determine the oxygen content. The helium content is determined on the basis of measuring the speed of sound in the analyzed mixture.
The speed of sound depends on the content of helium and oxygen, and on the temperature of the mixture. The dependence of the speed of sound on pressure is marginal and can be ignored under normal atmospheric pressure. At 0¡C the speed of sound is approximately 970 m/s in pure helium, 330 m/s in air, and 315 m/s in pure oxygen. Raising the temperature by one degree raises the speed of sound by approximately 0.175%. The speed of sound in the mixture is described as a non-linear equation of temperature, oxygen content and helium content.
The speed of sound is measured directly as the time it takes for an acoustic impulse to travel between two microphones. This measurement is taken alternately in both directions so that it will be possible to eliminate the influence of the gas flow-rate
Every analyzer produced is tesed in the complete range of acceptable oxygen and helium values. In addition to the testing of air, pure oxygen and pure helium undergo testing with 12 different calibration mixtures.
Calibration mixtures are gravimetrically mixed from pure basic gases and are exact to withing two decimal places.
We offer a lot of accessories for the analyzer:
Ohm-meter plugin - for example: bulbs check, cables check.
Voltmeter plug-in for example: battery check (lights, scooters...).
Flow limiter for connection to the inflatore hose.
Flow limiter for connection to the G 5/8' valve.
Simple flow limiter for all valves.
Pressure sensor - the analyzer can measure pressure in the tank and gas mixture at the same time.
Adapter for connection to the power with plug-ins for whole world. It is not necessary for analyzers right function.
Hard and watertight StormCase.
Wordt geleverd o.a met :
Heavy duty Koffer.
Instelbare flow reduceer.
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