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Purpose: obtaining distilled water of type 2 according to GOST R 58144-2018 "Distilled water", FS.2.2.0019.18 "Water for injection" Capacity: distillate: 2.6 (-10%) l/h, bidistillate: 2.0 (-10%) l/h Heating elements: 1st stage of distillation: Heating element 2.0 kW 220V (stainless steel) – 1 pc., 2nd stage of distillation: Heating element 1.3 kW 220V (stainless steel) – 1 pc. The quality of the produced water: GOST R 58144-2018 "Distilled water", FS.2.2.0019.18 "Water for injection" Type of current, frequency, voltage: alternating, single-phase, 50 Hz, 220 V Power consumption: in distillate production mode: 2.0 kW, in bidistillate production mode: 3.3 kW Overall dimensions (L×W×C), mm: 470×280×300 Weight: 14.5 kg Warranty period: 12 months from the date of sale Electrical conductivity of the produced water: bidistillate: 1.0-1.2 microns/cm, distillate: no more than 5.0 microns/cm The temperature of the produced water: distillate: from 70 to 85 ° C, bidistillate: no more than 40 ° C Source water consumption (at t of water 10 ° C) in the distillate production mode: 20 (±10%) l/h, in the bidistillate production mode: 44 (±10%) l/h Source water pressure: 0.1-0.4 MPa Version: desktop with adjustable supports, Wall mounting is possible Coefficient of water purification from radionuclides: at least 4000 Service life: at least 8 years

It is intended for obtaining in laboratory conditions from distilled especially pure (deionized) water used for the preparation of solutions, chromatographic samples, refueling of electrolytic hydrogen/oxygen generators and other purposes. Technical specifications The specific conductivity of the resulting water is not more than 0.20* mkSxcm Capacity is at least 6* l/h Metal ion content is not more than: Fe, Pb, Ni, Co 5* mcG/l Zn, Cd, Cu, Mn 1*m cG/l The optical density of ammonia relative to bidistilled water is no more, D - 0.01* Operating time of the replaceable cassette (total volume of purified water) is not less than 700 liters. Volume of refilled distilled water is 1 l Overall dimensions are 180x420x430mm  The weight of the filled device is no more than 9 kg Operating conditions: ambient temperature from +10 ° C to +35 ° C Power supply from single-phase AC 220 V., 50 Hz The power consumption is not more than 20 VA.

Purpose: obtaining distilled water of 3 types according to GOST R 58144-2018 "Distilled water", FS.2.2.0020.18 "Purified water" Capacity: 70.0 (-10%) l/h Heating elements: electrodes The quality of the produced water: GOST R 58144-2018 "Distilled water", FS.2.2.0020.18 "Purified water" Type of current, frequency, voltage: alternating three-phase, 50 Hz, 380 V Power consumption: 42.0 kW Overall dimensions (L×W×C), mm: 740×550×1010 Weight: 64 kg Warranty period: 14 months from the date of sale Registration certificate for a medical device No. FSR 2008/03707 dated December 05 , 2008 Electrical conductivity of the produced water: 3-4.5 microns/cm The temperature of the produced water: 50 °C Source water flow rate (at 10 °C water temperature): 500 (+-10%) l/h Source water pressure: 0.1-0.4 MPa Overall dimensions of the control unit (L×W×C), mm: 400×220×500 Execution: outdoor Coefficient of water purification from radionuclides: at least 4000 Service life: at least 8 years

Technical specifications: Performance 4l/h Storage tank capacity 8 l Water consumption 54 l/h Electrical conductivity of the distillate, no more 2.5 mcm/cm Food 220 V / 50 Hz Power consumption 3 kW Overall dimensions 620x320x493 Weight 21.5kg

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

Capacity: 25.0 (- 10%) l/h Heating elements: Heating ELEMENT 2.6 kW 220V (stainless steel) – 6 pcs. The quality of the produced water: FS.2.2.0019.18 "Water for injection", GOST R 58144- 2018 "Distilled water" Type of current, frequency, voltage: three-phase alternating, 50 Hz, 380 V Power consumption: 15.0 kW Overall dimensions (L×W×C), mm: 355×310×580 Weight: 15.6 kg Warranty period: 24 months from the date of sale Registration certificate for a medical device No. FSR 2010/07649 of November 01 , 2016 Electrical conductivity of the produced water: 2-2.5 microns/cm The temperature of the produced water: from 70 to 85 ° C Source water flow rate (at 10 °C water temperature): 180 (±10%) l/h Source water pressure: 0.1-0.4 MPa Overall dimensions of the control unit (L×W×C), mm: 255×95×200 Version: Desktop with adjustable supports, Wall mounted (bracket is purchased separately) Coefficient of water purification from radionuclides: at least 4000 Service life: at least 10 years

The characteristics of the device are similar to the model GVCH-12A (GVCH-25A). The difference is the generator capacity of 36 liters / hour, the purity of the produced hydrogen is lower (99.998% vol). Technical specifications Purity of hydrogen in terms of dry gas is about 99.998 % Concentration of water vapor at 20OC and 3 atm is no more than 7 ppm Total hydrogen capacity reduced to normal conditions is 36 l/h The range of the specified output pressure of hydrogen is from 3.0 to 6.1 ati Stability of the output pressure of hydrogen is not worse than ± 0.03 ati The time of setting the operating mode, with the output turned off is no more than 30 min Volume of distilled water to be poured is 1.0 l Distilled water consumption is no more 0.06 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 0.5 years Average pump life (for single-shift operation) is at least 0.5 years Power consumption: in stationary mode is no more than 250 VA maximum (at startup) is no more than 280 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

Purpose: obtaining distilled water of type 2 according to GOST R 58144-2018 "Distilled water", FS.2.2.0019.18 "Water for injection" Capacity: distillate: 9.0 (-10%) l/h, bidistillate: 8.0 (-10%) l/h Heating elements: 1st stage of distillation: Heating element 2.0 kW 220V (stainless steel) – 3 pcs., 2nd stage of distillation: Heating element 1.8 kW 220V (stainless steel) – 3 pcs. The quality of the produced water: GOST R 58144-2018 "Distilled water", FS.2.2.0019.18 "Water for injection" Type of current, frequency, voltage: alternating, single-phase, 50 Hz, 380 V Power consumption in distillate production mode: 6.0 kW, in bidistillate production mode: 11.4 kW Overall dimensions (L×W×C), mm: 675×365×470 Weight: 30.0 kg Warranty period: 12 months from the date of sale Electrical conductivity of the produced water: bidistillate: 1.0-1.2 microns/cm, distillate: no more than 5.0 microns/cm The temperature of the produced water: distillate: from 70 to 85 ° C, bidistillate: no more than 40 ° C Source water consumption (at t of water 10 ° C) in the distillate production mode: 72.0 (±10%) l/h, in the bidistillate production mode: 168.0 (±10%) l/h Source water pressure 0.1-0.4 MPa Version: Desktop with adjustable supports. Wall mounting is possible Coefficient of water purification from radionuclides: at least 4000 Service life: at least 8 years

The device is equipped with an automatic regeneration system of fine filters, which reduces the maintenance of the device to a minimum. In terms of the totality of technical characteristics and ease of operation, it has no equal among similar laboratory hydrogen generators. The hydrogen capacity is 12 liters/hour (200 ml/min). Technical specifications Purity of hydrogen in terms of dry gas is about 99.9999% Concentration of water vapor at 20OC and 1 atm is not more than 5ppm Total hydrogen capacity, reduced to normal conditions is not less than 12 l/h The range of the specified output pressure of hydrogen is from 3.0 to 6.1 ati Stability of the output pressure of hydrogen is not worse than ± 0.02 ati The time of setting the operating mode, with the output turned off is no more than 30 min Volume of distilled water to be poured is 1.0 l Distilled water consumption is no more 0.02 l/hour Water consumption is 1.6 g/l of hydrogen The average life of the replaceable cartridge of the deionization filter (at maximum performance and single-shift operation) is not less than 1 year Average power consumption: in stationary mode is no more than 180 VA maximum (at startup) is no more than 220 VA Overall dimensions of the generator, (width x depth x height) is not more than 230x470x450 mm The mass of the generator is not more than 16 kg Operating conditions: ambient temperature, °C, from +10 to +35 powered by single-phase AC voltage 220 V(+10 -15)% and frequency 50 +1 Hz The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

The nitrogen generator is designed to create an inert atmosphere, fill low-pressure tanks, "wash" test tubes with inert gas and other applications that require a large, by laboratory standards, nitrogen consumption with reduced requirements for its purity. Technical specifications Volume fraction of nitrogen is not less than 99.0 % by volume (including impurities of inert gases — argon, neon, helium) Volume fraction of oxygen is not more than, 1.0 % vol. Volume fraction of water vapor is not more than 0.002 % vol. (20 ppm) Maximum nitrogen capacity: at an inlet air pressure of 7 ati is at least 1380 l/h (23 l/min) The time of setting the operating mode for single-shift operation is no more than 30 min Minimum inlet air pressure is 7 ati Maximum allowable inlet air pressure is 8.5 ati Compressed air consumption, at nominal inlet pressure and maximum flow rate is no more than 150 l/min Power consumption is not more than 200 VA Overall dimensions, (width x depth x height) are not more than 230x580x680 mm Weight is not more than 38 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

They are designed for purification of nitrogen (BOV-1A) and air (BOV-1) from hydrocarbons Technical specifications Maximum nitrogen inlet pressure is not more than 410± 5% kPa (4 ati) Maximum allowable nitrogen consumption is no more than 350 ml/min The concentration of hydrocarbons in terms of methane in the input nitrogen is not more than 0.0025 %(25 ppm) The concentration of hydrocarbons in nitrogen at the outlet of the device at maximum flow is not more than about 0.00001 % (0.1 ppm) Ready time after switching on at a flow rate not exceeding the maximum value is no more than 30 minutes Power consumption is not more than 50 VA Overall dimensions, (width x depth x height) are not more than 185x310x310 mm Weight is not more than 5.0 kg Working conditions: ambient temperature, °C, from +10 to +35 relative humidity of the surrounding air, %, no more, at 35 °C 80 Electric power supply from a single-phase AC network with a voltage of 220 +10% -15% and a frequency of 50 ± 1 Hz

The characteristics of the device are similar to the GVCH-12M1 model. The difference is the generator capacity of 16 liters /hour. 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 16 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 16 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 0.025 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 200 VA maximum (at startup) is no more than 250 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 16 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