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The characteristics of the device are similar to the GCHA-18-K model. The difference is the generator capacity of 15 liters /hour. An oil-free compressor is also built into the generator, which ensures complete autonomy of the device. The warranty for the device is 18 months, for the built–in compressor - 12 months from the date of sale. Technical specifications The grade of nitrogen produced according to GOST 9293-74 is high purity, grade I The volume fraction of nitrogen is not less than, % by volume (including impurities of inert gases — argon, neon, helium) 99.999 The volume fraction of oxygen is not more than, % vol. (ppm) 0.0005 (5 ppm) The volume fraction of water vapor is not more than, % vol. (ppm) 0.0007 (7 ppm) The volume fraction of hydrogen is not more than, % vol. (ppm) 0.0002 (2 ppm) The volume fraction of the sum of carbon-containing compounds in terms of methane is not more than, % vol. (ppm) (with a methane content in the supply air of not more than 4 ppm) 0.0003 (3 ppm) The maximum volume of nitrogen production is not less than 15 liters/hour (250 ml/min) Nominal output pressure of nitrogen is 4 ati The time of setting the operating mode for single-shift operation is no more than, min,* 45 Noise level generated by the compressor is no more than 45 dB Power consumption is not more than 200 VA Overall dimensions, (width x depth x height), not more than, mm, 230x470x510 Weight, not more than, kg 23 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 are 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 characteristics of the device are similar to the GVCH-12A model; the difference is in the absence of an autoregeneration system for fine gas filters. Technical specifications Purity of hydrogen in terms of dry gas is about 99.9999% The concentration of water vapor at 20 ° C and 1 atm is not more than 5 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 12 l/h The time of setting the operating mode, with the output turned off is no more than 30 min In the performance stabilization mode: The range of the specified hydrogen performance is from 0 to 12 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 no more than 0.02 l/hour Water consumption is 1.6 g/l of hydrogen The average life of a replaceable deionization filter cartridge (at maximum performance and single-shift operation) is at least 1 year Average power consumption: in stationary mode is no more than 150 VA maximum (at startup) is no more than 200 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 15 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

It is intended for obtaining nitrogen of the highest purity and zero air in laboratory conditions. The warranty period of operation of the generator is 18 months from the date of sale by the manufacturer. Technical specifications The grade of nitrogen produced according to GOST 9293-74 is high purity, grade I Volume fraction of nitrogen is not less than 99,999 % vol. (including impurities of inert gases — argon, neon, helium) Volume fraction of oxygen is not more than 0.0005 % vol. (5 ppm) Volume fraction of water vapor in nitrogen is not more than 0.0007 % vol. (7 ppm) The volume fraction of hydrogen in nitrogen is not detected Volume fraction of the sum of carbon-containing compounds in nitrogen in terms of methane is not more than 0.00001 % vol. (0.1 ppm) Maximum nitrogen capacity is not less than 21 liters/hour (350 ml/min) Nominal output pressure of nitrogen is 4 ati Volume fraction of water vapor in the generated air is not more than 0.0007 % vol.(7 ppm) The volume fraction of the amount of hydrocarbons in the produced air in terms of methane is not more than 0.00001 % vol. (0.1 ppm), (with a concentration of methane in the supply air not more than 5 ppm) Maximum air capacity is not less than 72 liters/hour (1200 ml/min) Nominal output air pressure is not less than 3.5 ati The time of setting the operating mode for single-shift operation is no more than 45 min Nominal inlet air pressure is 6.0 ati Maximum allowable inlet air pressure is 7 ati Minimum inlet air pressure is not less than 5.5 ati Compressed air consumption, at nominal inlet pressure is no more than 480 l/h (8 l/min) Power consumption is not more than 150 VA Overall dimensions, (width x depth x height) are not more than 230x525x510 mm Weight is not more than 28 kg Operating conditions: ambient temperature, ° C, from +10 to +35 electric power supply from a single-phase AC network with voltage, V, 220 ± 10% and frequency, Hz, 50 ± 1 Average full service life is at least 6 years The generator meets the electrical safety requirements of class 1, type H according to GOST 12.2.025-76