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        Oxygen and Nitrogen Hydrogen Analyzer

        ONH analyzer detects three elements of oxygen, nitrogen, hydrogen in one instrument.

        Overview
        Features
        Specifications
        Applications

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        Overview:

        Oxygen nitrogen hydrogen analyzer using inert gas protection pulse electrode furnace melt decomposition samples, infrared absorption of oxygen, thermal conductivity detection of nitrogen, hydrogen, three elements of oxygen, nitrogen, hydrogen can be measured in one instrument.

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        ?Features:

        Whole structure

        oxygen and nitrogen hydrogen analyzer uses the integrated and modular design, consisting of pulse electrode furnace, detection system, gas supply system, power supply system, circuit system, cooling water system of six independent modules of the hardware, and computer and electronic balance is composed of a complete set of analytical instruments. Instrument doesn’t only has high stability and reliability, while powerful but easy to operate, no special requirements for the use of personnel, is the analysis of oxygen, nitrogen, hydrogen elements of the ideal choice.

        The PC instrument used to control the Lenovo desktop computer, the machine adopts microcomputer control 32 bit embedded ARM architecture, 24 bit high precision data acquisition system, to achieve the requirements of precision and speed control.

        At the same time, the configuration of international brand - Mettler Toledo 1/10000 precision electronic balance, advanced level so as to make the instrument precision analysis with imported equipment.

        Electrode furnace system

        All digital closed-loop control pulse electrode furnace, which can be used for two kinds mode of control power or current control, no matter what kind of stove control mode, realize programmed control, according to the sample set constant heating, heating, heating and other slope section heating mode, the temperature control and has higher accuracy and better melt the sample decomposition. Fast analysis of high melting point materials such as aluminum alloys and other low melting point materials to tungsten alloys is achieved.

        The burner is a split structure, the upper and lower electrode is convenient to disassemble, easy to maintain, and suitable for various types of electrode crucible, according to the release of different samples, can choose a variety of crucible, including standard crucible and high temperature crucible, effectively reduce the cost of users.

        Electrode cooling system uses a single cycle of independent cooling system, can be directly outside the circulating water or external water cooling device, with a good cooling effect and high reliability characteristics.

        Gas path system

        The analysis gas path and the power gas path are independent, and the layout is reasonable and simple.

        The gas path component comprises an electromagnetic valve, an air cylinder, an air pipe and an air passage joint, which are all imported components, and the service life of the electromagnetic valve is more than ten million times. The guide cylinder plus biaxial guide rod design unique to ensure the smooth lifting of the electrode, graphite crucible and the upper electrode to ensure good contact, but also ensure the graphite crucible has uniform stress, suitable for heating at high temperature for a long time. Automatic blanking furnace with air curtain protection, automatic blowing mechanism, the effective protection of the oxygen, nitrogen, hydrogen element analysis accuracy.

        At the same time, the steady voltage multilevel design, with high precision and small flow regulator and flow controller, so as to ensure the pressure and flow of gas is more stable, the higher accuracy analysis instrument.

        Circuit system

        Instrument operation control circuit and data acquisition are using modular design, using 32 bit reduced instruction set (RISC) central processor architecture, namely ARM architecture (Advanced RISC Machine). Circuit system internal operation uClinux operating system, the system is running more fast and stable.

        All of the circuit board using mechanical welding, coupled with the professional selection of electronic components to ensure the stability and reliability of the long-term operation of the circuit board.

        Power supply by solid-state power supply module of military products, the power supply module with short-circuit protection function, current impact resistant, dustproof, simple and reliable connection; the flat wire connector, eliminate the hidden trouble caused by poor contact, improve the reliability of the connection between the reliability of the whole circuit and circuit. Circuit system data transmission lines and other circuits have professional anti interference measures, effectively reduce the impact of electromagnetic interference.

        Oxygen, nitrogen, hydrogen detection system

        Oxygen detection system

        Oxygen detection system using infrared absorption method, infrared detection system core components such as precious metal platinum wire infrared light infrared light source selection of long life, long time use no oxidation, no attenuation, without the use of N2 purge. Infrared light source reflector, infrared detection of condenser cone gas chamber, in front of the sensor were thickened gold, ensure the use effect and service life; modulation system with high precision imported step MCU control stepper motor, to achieve long-term stability of the modulation frequency, preamplifier and A/D in narrowband filter, combined with the international advanced level of the infrared sensor proprietary components and high precision sampling data processing system, so the detection sensitivity is high, not only can effectively detect the PPM grade ultra low oxygen content, at the same time the detection of oxygen content is range from low to high, excellent.

        Nitrogen detection system

        Nitrogen detection system using thermal conductivity detector of high sensitivity and good stability, and thermal conductivity detector with low drift, high precision, large measuring range, high sensitivity, and a thermal conductivity detector cell current can be adjusted continuously, so as to ensure the instrument in the whole range has extremely high sensitivity and linearity and ensures that the ultra low content to test the accuracy of the large range of nitrogen.

        Hydrogen detection system

        Hydrogen detection system using thermal conductivity detector of high sensitivity and good stability, and thermal conductivity detector with low drift, high precision, large measuring range, high sensitivity, and a thermal conductivity detector cell current can be adjusted continuously, so as to ensure the instrument in the whole range has extremely high sensitivity and linearity and ensures that the ultra low content to test the accuracy of the large range of hydrogen.


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        Specifications:

        Analysis range

        Oxygen: 0.00001%30%

        Nitrogen: 0.00001%30%

        Hydrogen: 00.25%

        The minimum reading

        0.000001%

        Instrument precision

        Oxygen: 0.0001% or RSD≤1.0%

        Nitrogen: 0.0001% or RSD≤1.0%

        Hydrogen: 0.00002% or RSD≤2.0%

        Analysis time

        Usually 120 ~ 180s, including washing, analysis delay, analysis time

        Precision of electronic weighing scales

        0.0001g

        Detector

        Oxygen: Solid state infrared sensor

        Nitrogen: thermal conductivity detector

        Hydrogen: thermal conductivity detector

        Pulse heating furnace

        Power: less than 8KW

        Current: less than 1500A

        Temperature: less than or equal to 3500

        Instrument size

        W700xD770xH820mm

        Instrument weight

        about 190Kg

        Carrier gas

        Nitrogen and helium purity of 99.999%, the pressure is greater than or equal to 0.15MPa

        Power gas

        Compressed air or gas purification of ordinary nitrogen, the pressure is greater than or equal to 0.25MPa

        Applications:


        The instrument is suitable for the determination of oxygen, nitrogen and hydrogen in ferrous metals, nonferrous metals, superconducting materials, semiconductor materials, rare earth materials, ceramic materials and other metal materials.


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        telephone:0086-15106177808
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        Address: 19th Liangtong Road, Mashan Town, Binhu District, Wuxi City, Jiangsu Province, China

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