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Nitrogen generators are designed to create an inert atmosphere, fill low-pressure tanks and other applications that require a large, by laboratory standards, nitrogen consumption with reduced requirements for its purity. The warranty period of operation of the generator is 12 months from the date of sale by the manufacturer. Technical specifications Volume fraction of nitrogen is not less than % by volume (including impurities of inert gases — argon, neon, helium) 99.5 Volume fraction of oxygen is not more than 0.5 % vol. Volume fraction of water vapor is not more than, % vol. 0.002 (20 ppm) Maximum nitrogen capacity is at least 400 l/h (6.66 l/min) The time of setting the operating mode for single-shift operation is no more than, min, 30 Nominal inlet air pressure is 6 ati Maximum allowable inlet air pressure is 8 ati Minimum inlet air pressure is 5.5 ati Compressed air consumption, at nominal inlet pressure and maximum flow rate is no more than 3000 l/h (50 l/min) Power consumption is not more than 100 VA Overall dimensions, (width x depth x height) are not more than 230x580x680 mm; Weight is not more than 30 kg Working conditions: ambient temperature, C°, from +10 to +35 Electric power supply from single-phase AC mains voltage, V, 220± 10% and frequency, Hz, 50 ± 1 Average full service life is at least 6 years The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

The GVCH-6 hydrogen generators are designed to power flame ionization detectors. They are equipped with a four-stage gas purification system. The hydrogen capacity is 6 liters/hour (100 ml/min). They have smooth adjustment and digital indication of the output pressure. Technical specifications The brand of produced hydrogen "A" according to GOST 3022-80 Purity of hydrogen in terms of dry gas is about 99.995% The concentration of water vapor at 20 ° C and 1.0 ati is not more than 20 ppm Total hydrogen capacity reduced to normal conditions is 6 l/h The range of the specified output pressure of hydrogen is from 1.5 to 6.0 ati Stability of the output pressure of hydrogen is not worse than ± 0.02 ati The time of setting the operating mode is no more than 30 min Volume of bidistilled water to be filled is 1 l Consumption of bidistilled water is no more thann 0.01 l/hour Consumption of bidistilled water is 1.6 g/l of hydrogen Average power consumption in stationary mode is no more than 100 VA Maximum power consumption (at startup) is no more than 150 VA Overall dimensions of the generator, (width x depth x height) are not more than 180x450x435 mm The mass of the generator is not more than 11 kg Working conditions: ambient temperature, °C from +10 to +35 Power supply from single-phase mains: AC voltage, 220±10% and frequency, Hz 50 ± 1

The generator is designed to produce hydrogen of the highest purity used to power analytical instruments (chromatographs, gas analyzers, etc.). Technical specifications Purity of hydrogen in terms of dry gas is about 99.998% The concentration of water vapor at 20 OC and 1atm is not more than 10 ppm In the output pressure stabilization mode The range of the specified output pressure of hydrogen is from 1.5 to 6.1 ati Stability of the output pressure of hydrogen is not worse than ± 0.02 ati Maximum hydrogen capacity reduced to normal conditions is 36 l/h The time of setting the operating mode, with the output turned off is no more than 20 minutes In the performance stabilization mode: The range of the specified hydrogen performance is from 0 to 36 l/h Maximum developed pressure in performance mode is 5.0 ati Volume of distilled water to be poured is 1.0 l Distilled water consumption is not more than 0.06 l/hour Water consumption is 2.4 g/l of hydrogen The average life of a replaceable deionization filter cartridge (at maximum performance and single-shift operation) is at least 0.5 years Average power consumption: in stationary mode is no more than 250 VA maximum (at startup) is no more than 300 VA Overall dimensions of the generator, (width x depth x height) are not more than 230x470x450 mm The mass of the generator is not more than 18 kg Operating conditions: ambient temperature, °C, from +10 to +35 powered by single-phase AC voltage, V, 220 (+10 -15)% and frequency, Hz, 50 +1 The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76