Introduction: Fast and accurate analysis, automated operation; precise gas calibration; CO infrared detector, high-resolution and reproducible N, H thermal conductivity cell detector; the same instrument realizes melt extraction and thermal extraction; thermal extraction analysis time is adjustable; Freely selectable temperature up to 2500 °C; optical thermometer temperature measurement and control; auto-zero/auto-level control (ALC) for all detectors; automatic optimization selection range for data evaluation; automatic furnace cleaning and automatic crucible filling (optional ); peripheral computer for operation and control; sample information storage; all sample data can be tracked and inquired; data transmission through FTP or local area network; easy switching between ON and H analysis. Features: 1. The whole machine adopts the integrated design of modules, and the four independent modules of pulse electrode furnace, gas circuit system, circuit system and detection system are integrated into a floor-standing host, with a simple and elegant appearance. 2. The pulse electrode furnace has a high heating temperature and adopts program control power, which can provide constant power heating, slope heating, subsection heating and other programming heating methods to improve the analysis accuracy, suitable for low melting point materials such as aluminum alloys to tungsten alloys, etc. Rapid analysis of high melting point materials. 3. Due to the integrated floor-standing design of the whole machine, the space is open, the connection routes of the air system are greatly reduced, and the air system of the whole machine is more concise and reliable. 4. The circuit system adopts a large-scale integrated circuit board, and the power supply adopts a solid-state power module. The power module has a short-circuit protection function, which is resistant to current impact, strong anti-interference ability, dust-proof, simple and reliable; 5. The use of infrared hydrogen measurement technology can avoid the inherent weakness of the thermal conductivity hydrogen measurement method that cannot detect nitrogen at the same time, and truly realize the simultaneous detection of the three elements of oxygen, nitrogen and hydrogen, and can use high-temperature catalysts without using expensive room-temperature catalysts. low cost. 6. The integrated solid-state infrared sensor measures oxygen and hydrogen, and infrared detection cells of various ranges are optional. The infrared light source uses high-efficiency, long-life precious metal micro-infrared illuminators and gold-plated metal mirrors; the modulation system uses a high-precision stepping motor controlled by a single-chip microcomputer. 7. The high-sensitivity thermal conductivity detection cell is used, and the cell current is continuously adjustable, thus ensuring that the device has excellent sensitivity and linearity at all stages of the range. Technical parameter: Applicable scope of the instrument: Determination of oxygen, nitrogen and hydrogen content in ferrous metals, non-ferrous metals, various alloys, zirconium, titanium, molybdenum, nickel, ceramics, rare earth, magnetic materials and other solid materials. Analysis scope: Oxygen: 0.00005%～0.1% Nitrogen: 0.00005%～0.5% Hydrogen: 0.00005% to 0.0050% The analytical range can be expanded by reducing the sample weight. Minimum reading: 0.000001% Instrument Accuracy: Oxygen: SD: ≤ 0.0001% or RSD ≤ 1.0% * Nitrogen: SD: ≤ 0.0001% or RSD ≤ 1.0% * Hydrogen: SD:≤0.2ppm or RSD≤2.0%* Analysis time: Oxygen: 120～180S Nitrogen: 120～240S Hydrogen: 120～180S /120～240S (infrared absorption method/thermal conductivity method) (It can be set arbitrarily according to the analysis material). Electronic balance weighing accuracy (one ten thousandth): 0.0001g Analytical method: Oxygen: infrared absorption method Nitrogen: Thermal Conductivity Method Hydrogen: Infrared absorption method/thermal conductivity method. Pulse heating furnace: Maximum current: 1500A; Maximum power: 8KVA; Maximum temperature: 3500℃; Carrier gas: 99.999% high-purity argon/high-purity helium, 0.40MPa. Power gas: ordinary nitrogen or purified compressed air (oil and water removal), 0.25MPa. Chemical reagents: magnesium perchlorate, alkali asbestos.
Introduction: Fast and accurate analysis, automated operation; precise gas calibration; CO infrared detector, high-resolution and reproducible N, H thermal conductivity cell detector; the same instrument realizes melt extraction and thermal extraction; thermal extraction analysis time is adjustable; Freely selectable temperature up to 2500 °C; optical thermometer temperature measurement and control; auto-zero/auto-level control (ALC) for all detectors; automatic optimization selection range for data evaluation; automatic furnace cleaning and automatic crucible filling (optional ); peripheral computer for operation and control; sample information storage; all sample data can be tracked and inquired; data transmission through FTP or local area network; easy switching between ON and H analysis.
