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Automated workplace for measuring noise, vibration, processing results and registration of protocols. It is equipped with a laptop with a pre-installed set of programs.

BASIC EQUIPMENT Working box guide racks – aluminum profile painted with powder paint (RAL 7035/RAL 5023)in the right rack there are a light switch and 2 splash-proof sockets with a 3.2kW cover (IP54) the front anti–spill side is acid-resistant polished stainless steel AISI 304 side panels – tempered glass 2 dependent lifting screens – tempered glass in aluminum frames, lifting 0-780mm, do not change the dimensions of the cabinet when lifting the upper fixed screen – metal painted with powder paint (RAL 5023) with the texture of shagreen leather on the top panel: LED lamp dust- and moisture-proof (22W IP65) switching box with automatic emergency power off 16A flange d=250mm (the distance from the back panel to the center of the flange is 170mm) easily removable exhaust canopies 3 levels of exhaust (lower, side and front) counterweights are placed in the front pillars-pylons and are easily serviced by the rear and upper panels – polypropylene Frame base is a collapsible frame made of a rectangular metal profile painted with powder paint (RAL 7035) with the texture of shagreen leather service panel is a metal box painted with powder paint (RAL 5023) with the texture of shagreen leather: adjustable supports.

Technical characteristics: NIP, G220 Discreteness, g0,0001 Calibration,self-calibration The smallest weighing limit, g0.01 Diameter of the scale bowl, mm91 The price of the verification scale division, mg1 The limits of permissible error in the weighing intervals during verification, mgot 0.01g to 50g incl. ± 0.5; sv. 50g to 200g incl. ±1.0; sv 200 to 220g incl. ± 1.5 according to GOST OIML R 76-1-2011 Accuracy class according to GOST OIML R 76-1-2011I special The actual typical error limits of the scales, mg * ± 0.3 in the entire range The time of setting the readings, seconds, no more - fast mode - 2; - standard mode - 6 Overall dimensions of the scales (LxWxH), mm356x213x338 Weight of the scales, kg, not more than 6.2 Adjustment weight built-in 7 years warranty

Design features: Microprocessor temperature controller; Four-sided heating; Natural air convection in the working chamber; Camera material – stainless steel; Bright LED display; Conveniently located control panel; LED indicators of heater operation and protection operation; Alarm when the current temperature exceeds the limits of the permissible range; Reliable door closing mechanism; High-quality silicone sealer; Highly efficient thermal insulation of the housing; The case is made of high-quality sheet steel and painted with heat-resistant powder paint; Number of shelves: standard – 1, maximum – 5. Technical specifications: Maximum heating temperature, °C +350 The error of reproducing the set temperature ° C ± 5 Temperature maintenance error, ° C ± 2 Warm-up time to maximum temperature, no more, min 45 Dimensions of the working chamber, (WxHxD), not less than 250x310x295 mm Overall dimensions, (WxHxD), not more than 595x495x555 mm Rated supply voltage, 220 V Rated power, W 1200

BASIC EQUIPMENT Working box the front guide posts are aluminum profile painted with powder paint (RAL 7035/RAL 5023), in the right rack there are a light switch and 2 splash–proof sockets with a 3.2kW cover (IP54) the front anti-spill side is acid-resistant polished stainless steel. AISI 304 steel rear, upper, side panels – metal painted with powder paint (RAL 7035) with the texture of shagreen leather 2 dependent lifting screens – tempered glass in aluminum frames, lifting 0-780mm, do not change the dimensions of the cabinet when lifting the upper fixed screen – tempered glass in an aluminum frame on the top panel: 4 anti-explosion the valve lamp LED dust– and moisture-proof (2X10W IP65) is separated from the working space by tempered glass with a thickness of 4mm flange d=250mm (the distance from the back panel to the center of the flange is 170mm) switching box with automatic emergency power off 16A easily removable exhaust visors 3 exhaust levels on the rear panel: 4 holes d =22mm with plugs made of stainless steel for the installation of additional pipes or taps technological hole d=50mm with a plastic plug counterweights are placed in the front pillars-pylons and are easily serviced Frame base metal frame with a pedestal, painted with powder paint (RAL 7035) with a texture of shagreen leather: double metal facades with a noise damper, opening angle 270° handles – polypropylene 2 compartments with locks 1 shelf with the possibility of installation on three levels in any of the compartments flange d=100mm service panel – metal box painted with powder paint (RAL 5023) with the texture of shagreen leather: adjustable supports

Furniture for laboratory work. Exhaust cabinet made of chipboard Working surface: FRIDURIT (20 mm) Overall dimensions: Length, mm: 900 Depth, mm: 740 Height, mm: 2100 equipment Working box front anti–spill side - acid–resistant polished stainless steel AISI 316 housing - white chipboard with a thickness of 16mm guide posts – aluminum profile painted with powder paint dark gray (RAL 7011) 2 dependent lifting screens – tempered glass in aluminum frames, lifting 0-710mm, do not change the dimensions of the cabinet when lifting.

Furniture for laboratory work. Exhaust cabinet made of chipboard Working surface: FRIDURIT (20 mm) Overall dimensions: Length, mm: 1500 Depth, mm: 740 Height, mm: 2100 equipment Working box front anti–spill side - acid–resistant polished stainless steel AISI 316 housing - white chipboard with a thickness of 16mm guide posts – aluminum profile painted with powder paint dark gray (RAL 7011) 2 dependent lifting screens – tempered glass in aluminum frames, lifting 0-710mm, do not change the dimensions of the cabinet when lifting.

It is intended for obtaining analytical purity in laboratory conditions from distilled water, used for HPLC, electrophoresis, preparation of solutions, chromatographic samples, refueling of electrolysis generators of hydrogen/oxygen and other purposes. Technical specifications The specific resistance of the received water is not less than 17.5 MOmhsm Productivity is not less than 1 l/hour Metal ion content is not more than: Fe, Pb, Ni, Co 5 mcG/l Zn 0,5 mcG/l Cd, Cu, Mn 0,1 mcG/l The content of ammonium ions is not more than 100 mcG/l The number of bacteria is not more than 5 CFU/ml Operating time of replaceable cartridges (total volume of purified water) is not less than 300 liters Volume of refilled distilled water is 1 l Overall dimensions are 210x590x455 mm The mass of the filled device is not more than 15 kg Working conditions: ambient temperature from +15 to +35 °C Power supply from single-phase AC 220 V, 50 Hz Power consumption is not more than 50 VA

GCHA-120 nitrogen generators are designed to produce in laboratory conditions nitrogen of the highest purity that is used to power analytical instruments, boxes with an inert atmosphere. 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 % by volume (including impurities of inert gases — argon, neon, helium) 99.999 Volume fraction of oxygen is not more than, % vol. 0.0005 (5 ppm) Volume fraction of water vapor is not more than, % vol. 0.0007 (7 ppm) 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) Maximum nitrogen capacity is at least 120 (2.0 l/min), l/h Nominal nitrogen output pressure (with the throttle open) is 4 ati The time of setting the operating mode for single-shift operation is no more than 45 min 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, l/h, 3600 (60 l/min) Power consumption is not more than, VA, 100 Overall dimensions, (width x depth x height) are not more than, mm, 230x580x680; Weight is not more than, kg 32 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

An analogue of GCHA-21, but equipped with a built-in system of catalytic purification of the resulting nitrogen from hydrocarbons. GCHA-21D nitrogen generators are designed to produce nitrogen of the highest purity 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 The volume fraction of nitrogen is not less than, % vol. (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 concentration of methane in the supply air not more than 5 ppm)* 0.00001 (0.1 ppm) Maximum nitrogen capacity is not less than 21 liters/hour (350 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 45 min Nominal inlet air pressure is 6 ati Maximum allowable inlet air pressure is 7 ati Minimum inlet air pressure is 5 ati Compressed air consumption, at nominal inlet pressure is no more than 300 l/h (5 l/min) Power consumption is not more that 110 VA Overall dimensions, (width x depth x height) are not more than, mm 230x425x510 Weight, not more than, kg 25 Working conditions: Ambient temperature, °C from +10 to +35 Electric power supply from a single-phase AC network with a voltage of 220 ± 10% and a frequency of 50 ± 1 Hz 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 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. The warranty for the device is 18 months, for the built–in compressor - 12 months from the date of sale. Technical specifications Volume fraction of nitrogen is not less than 99.5 % vol. (including impurities of inert gases — argon, neon, helium) Volume fraction of oxygen is not more than 0.5% vol. (ppm) Volume fraction of water vapor is not more than 0.002 % vol. (ppm) (20 ppm) Maximum nitrogen capacity is not less than 400 l/hour (6.66 l/min) Nitrogen outlet pressure is 4±0.2 ati The time of setting the operating mode for single-shift operation is no more than 45 min Noise level generated by the compressor is no more than 60 db Power consumption is not more than 800 VA Overall dimensions, (width x depth x height) are not more than 360x680x550 mm Weight is not more than 46 kg Operating conditions: ambient air temperature, oS from +10 to +35 electric power supply from single-phase AC voltage, 220 ± 5% frequency, Hz 50 ± 1 Average full service life is at least 6 years The generator for electrical safety meets the requirements of GOST 12.2.025-76. class 1, type

The generators are designed to supply analytically clean air to flame ionization detectors and gas analyzers. They are available in two versions depending on performance and output pressure. Thanks to the presence of a system of catalytic purification of air from hydrocarbons, the generator can significantly improve the accuracy and sensitivity of chromatographic analyses. Technical specifications Air capacity reduced to normal conditions is not less than 2.0 l/min Outlet air pressure is 355 ± 5% kPa (3.5 ati) Output pressure stability at constant flow rate is not worse than ± 10 kPa The stability of the output pressure when the flow rate changes from 0.3 to the maximum value is not worse than ± 10 kPa Output concentration of hydrocarbons is not more than 0.1 ppm Water vapor concentration at 20°C and 100 kPa is no more than 10 ppm Ready time after switching on is no more than 30 min Power consumption is not more than 200 VA Overall dimensions of the generator (width x depth x height) are not more than 230x425x510 mm The mass of the generator is not more than 18 kg Working conditions: ambient temperature, °C from +10 to +35 relative humidity of the ambient air, % 80 power supply from a single-phase network: AC voltage, 220 ± 10% and frequency, Hz 50 ± 1