Beijing ng ONH-3000 hydrogen oxygen and nitrogen analyzer

Beijing ng ONH-3000 hydrogen oxygen and nitrogen analyzer The instrument can quickly and accurately measure iron and steel, nonferrous metals, ceramics and oxygen, nitrogen, hydrogen content and other inorganic materials with a wide detection range, low detection limit, the measurement process is simplified , single carrier gas and other technical advantages. Instrument features: 1. Reliable sample extraction unit pulse furnace power control heating (0-8KVA), the maximum temperature can reach 3000 ℃. A variety of temperature-programmed mode: Constant power heating, slope warming. A wide selection of crucible design: releases of different samples, in addition to standard crucible, the 2 oxygen analysis using non-dispersive infrared detection systems, nitrogen and hydrogen were analyzed using high-precision thermal conductivity detector system 3. analysis using thermal extraction technology, through the heating at a temperature lower than the melting point of the sample, the measurement sample residual hydrogen, analyze solid inorganic oxygen, nitrogen, hydrogen, with the same instrument. The modular detection unit a) thermal conductivity detector unit: high sensitivity, thermal oxidation inert gas protection element consisting of detector: The antioxidant NTC thermistor element; a signal processing: the use of small current control techniques to prevent thermal element Under conditions of oxidative carrier gas barrier; temperature control: high-precision temperature control system; the reference gas stream: the good stability of micro flow control. b) infrared detection unit: Standard configuration of oxygen, nitrogen and hydrogen analyzer is equipped with two independent infrared absorption cell, can be flexibly configured according to user needs and the number of channels absorption cell length detector: imported from Germany pyroelectric solid state infrared CO2 detector machine: Swiss imports of synchronous motor, continuous work without failure Source: The United States imported infrared light, easily oxidized, stable optical performance thermostat: the entire chamber thermostatically controlled to ensure a constant temperature analysis to ensure measurement accuracy; protective gas: infrared light and detection uses nitrogen protection, purification, isolation of the surrounding atmosphere, improve stability and accuracy. 5. stable, sensitive flow control: pressure control, flow control precision electronic standby instrument 6. 7. High throttle design, hypoxia, high, low nitrogen, high, low potassium channel 8. The self-test function automatically switches Cooling water temperature real-time detection and alarm; voltage, current feedback real-time detection; real-time detection and alarm purifying furnace; pneumatic solenoid valve motion detection; pulse furnace operation state detection; thermal conductivity, infrared signal detection and adjustment; 9. self-test function of the temperature of cooling water circulating online real-time detection and alarm; voltage, current feedback online real-time detection; purifying furnace and conversion furnace-line real-time detection and alarm; pneumatic solenoid valve motion detection; infrared, thermal conductivity signal detection and adjustment ; pulse furnace working state detection. Instrument parameters: 1. Analysis of the range of oxygen: hypoxia: 0.0001% to 0.5% * High oxygen: 0.5% to 20% * N: N Low: 0.0001% to 2% * nitrogen: 0.5% to 50% * Hydrogen: 0 0.1% * Note: * to change the sample volume can change the measurement range 2. analyze the accuracy of oxygen, nitrogen: 1ppm or 1% * Hydrogen: 0.2ppm or 2% * Note: * In the sample standard deviation is not greater than or uncertainty prevail. 3. Sensitivity: 0.01ppm 4. Analysis time: 3 minutes 5 samples were weighed: generally 1g, can be changed according to sample weight content of the sample. 6. Pulse furnace: Current 0 ~ 1500A, power: 7.5KVA, the maximum temperature is higher than 3000 ℃. 7. Carrier gas: Oxygen and nitrogen analysis: Helium (Samples can be replaced with high-purity nitrogen, argon) hydrogen analysis: high-purity nitrogen 8. Power: 220VAC ± 10%, 50 / 60Hz, maximum current 50A. 9. Instrument Dimensions: W × H × D: 45cm × 68cm × 55cm 10. Instrument Weight: 180kg