Pure nitrogen generator GCHA-21D

Technical specifications: Analog output 0-0.5 V (4-20 mA on request) Overall dimensions 320x255x175 mm Water pressure 0.1-3 atm The door of the alarm opens to the left side Measuring range 0-30 ppm Alarm relay contacts dry contact (power up to 2A/250V) Control relay contacts dry contact (power up to 2A/250V) Linearity +(-)2% in the range of 1-20 ppm Trigger threshold setting from 1 to 30 ppm (in increments of 1 ppm) Connecting dimensions of flanges external thread 1/2" Signal norm green LED Alarm red LED Degree of protection IP X4 The temperature of the controlled environment is +4 ... +55 °C Ambient temperature 0 ... +55 °C Measurement accuracy in accordance with resolution MERS.107(49) CF type flash memory card (software included) at least 32 MB RS485 digital output (on request) Power supply 200/240 V, 50/60 Hz (on request = 24 V) Weight not more than 10.5 kg Power consumption < 6 W

Technical characteristics: Consumption of working reagents 1.0–2.0 ml – for standard filling cuvette K10 from 400 ml – for photometric techniques Filters for photometer mode, nm built-in interference filters 340, 405, 505 ,545, 575, 630 spectral half-width of 10 nm Filters for fluorimeter and chemiluminometer modes on request, in the spectral range of 270-850 nm Chemiluminescence channel sensitivity 10000 photons per second Optical density measurement range, E.O.P. 0-2.20 Photometric channel accuracy, %2 Memory of 100 measurement programs Temperature control of the measuring cell (for photometer and chemiluminometer modes) built-in thermostat on the Peltier element: 25, 30, 37 OC; accuracy ± 0.2 oC Volume of the flow cuvette, mkl 80 Pump type (only for photometer mode) peristaltic pump with programmable liquid supply volume Productivity, analyses/hour up to 100 (by the endpoint method) Information output liquid crystal display and personal computer Power supply, 220 ± 22 Dimensions, mm 430x350x160 Weight, kg 10

The CR-1B reactor is an automated chemical reactor with thermostat, stirrer and reagent management system. To control the reactor, specialized software is used (supplied with the reactor). This reactor may be of most interest for laboratory research for routine synthesis of nano/microparticles (e.g. vaterite), as well as experimental scaling tests with a view to further transferring it to production facilities.

It is designed for recording absorption spectra of solid, liquid and gaseous substances in the near and middle IR region (including drugs, lacquers and paints, petroleum products, explosives, pharmacological preparations, polymer films and fibers) with their subsequent identification, as well as for qualitative and quantitative analysis of mixtures containing several components.

A membrane nitrogen station is a set of equipment for the production and supply of nitrogen under high pressure obtained from atmospheric air by the method of membrane separation. Unlike the membrane nitrogen plant, the membrane nitrogen station is equipped with additional equipment: a booster compressor that creates the necessary pressure. Put the squeeze on the pump. Composition of a typical membrane nitrogen station: 1. Air compressor 2. Dehumidifier 3. Main filter block, including coal column 4. Air receiver 5. Membrane nitrogen generator 6. Nitrogen receiver 7. Nitrogen booster compressor putting the squeeze on

When analyzing gases dissolved in transformer oil using the ARP method (equilibrium vapor analysis), mixing of the contents of the syringe with oil is used to accelerate the extraction of gases (to achieve an equilibrium distribution of gases dissolved in oil between the liquid and gas phases). For this purpose, as well as automation of the mixing process, a special autonomous device for achieving equilibrium is produced. technical specifications The rotation speed of the syringe drum is 30 rpm./min. The rotation time (determined by the internal timer, after pressing the "Start" button) is 10 minutes. The number of syringes placed is 4. The volume of syringes is 20 or 50 ml. Power consumption, no more than — 14 VA. Overall dimensions, no more than 210×280×270 mm. Weight, not more than — 5 kg.

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

Technical specifications: Melt flow rate for 10 min, g 0.1 - 99.9 The dimensions of the capillary opening, mm dia. 2,095 diam. 1,048 (optional) diam. 1,180 (optional) Set of loads, kg 0,325-5 10-21,6 (optional) Temperature range in the working chamber, °C +50...+450 Accuracy of temperature maintenance, °C: - in the range of 50...300 °C: ± 0.1 - in the range of 300...350 ° C: ± 0.2 - in the range of 350...450°C: ±0.3 The discreteness of setting the temperature of the chamber, ° C 1 Time to enter the operating mode, no more, min 40 Power supply, V/kW 220/0.8 Installation dimensions, WxDxH mm 513x445x590 (920 is the maximum height with a fully loaded polymer chamber and a full stack of loads with a handle for their installation) Installation weight, not more than 70 kg

Water purification in the device is carried out by passing it through a composition of deionization resins and sorbents. Resins and sorbents are located in filter elements placed in a replaceable cassette. The distilled water to be cleaned is poured into the feed tank, the filler neck of which is placed on the upper plane of the device and hermetically sealed with a screw cap. Technical specifications: The specific conductivity of the resulting water, not more than, mkSxcm 0.20 Capacity, at least, l/h 6 Operating time of the replaceable cassette (total volume of purified water), not less than 700 liters Volume of refilled distilled water, l. 1 Power consumption, not more than, VA 20 Overall dimensions (width×depth×height), mm 180×450×380

Main features and benefits: - The compact and ergonomic design of the mixer body allows it to be used not only in stationary laboratories, but also in mobile mobile stations. - The submersible type device is ideal for a wide range of laboratory work. - Intuitive system for smooth power adjustment via the handle. - Start and stop the device using just one button located on the front panel, providing excellent ease of use. - The built-in temperature sensor automatically turns off the mixer if there is a risk of motor overheating, ensuring safety and reliability in operation. Structure and operation of the device: - The device is made in the form of a compact block made of a plastic case, which makes it light and convenient to use. - On the front panel of the device there is a potentiometer knob with a switch and an LED indicator. - On the back of the case there is a hole with a diameter of 7 mm for installing a bracket and a connector for connecting a power supply. - The lower part of the device is equipped with a three-jaw chuck on a hollow shaft. - The top of the device has a hole for the shaft of the mixing nozzle, which allows you to change the height of the nozzle without moving the device up or down if it is installed on a tripod. - The device also has the function of overload protection and complete shaft locking, which ensures its long service life and protects it from unpleasant situations. Primelab is an innovative and user-friendly overhead drive mixer developed in Russia. Thanks to its technological capabilities and ease of operation, it will become an indispensable tool for achieving high quality and efficient mixing of viscous and dense liquids in various fields of industry and scientific research. Characteristics Device overload protection Eat Max. viscosity of the stirred sample, mPa*s 10,000 Maximum torque, Ncm 45 A country Russia Control type analog Mixer shaft diameter max., mm 0.5-10 Motor type Brushless, DC Speed range, rpm 20-2200 Overall dimensions, L×W×H, mm 182x61x200 Protection class acc. to DIN EN60529 IP44 Sample volume (water) 20 liters Display absent Timer absent Engine power, W 53 Power consumption, W 24 Device weight, kg net/gross, kg 2.0/3.2 Supply voltage, V 200–240 Current frequency, Hz 50 Overheat protection (shutdown) Eat The device is supplied with: 1) device – 1 piece; 2) power supply – 1 pc.; 3) power cable – 1 pc.; 4) instruction manual combined with passport – 1 pc.; 5) bracket Ø10 mm. for attaching the device to a tripod – 1 PC.; 6) hex key 3 mm. - 1 PC.

The characteristics of the device are similar to the GVCH-12D model; the difference is in the absence of a reactor to remove traces of oxygen and the capacity, respectively, is 25 liters/hour (416 ml/min). Technical specifications Purity of hydrogen in terms of dry gas 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 ± 0.02 ati Maximum hydrogen capacity, reduced to normal conditions is 25 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 25 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 0.04 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 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

The spectrometer was created according to the Cherni-Turner scheme based on a flat diffraction grating and an MAES analyzer with one line of photodetectors. It has increased photometric accuracy due to cooling and temperature stabilization of the photodetector range, as well as due to its shell-less design, in which there is no re-reflection of radiation on the cover glass and the background level in the recorded spectrum decreases. The optical scheme and design of the spectrometer are optimized to obtain a high-quality spectrum with a low level of background radiation in any of the regions lying in the spectral range of 190-1100 nm. The choice of the working area is carried out by changing and rotating the diffraction gratings. The sealed case of the spectrometer is filled with an inert gas. The radiation is injected into the spectrometer using a quartz capacitor or a fiber-optic cable with an SMA-905 connector. The optical scheme and design of the spectrometer are protected by patents.

The characteristics of the device are similar to the GVCH-12D model; the difference is in the absence of a reactor to remove traces of oxygen and the capacity, respectively, is 6 liters/hour (100 ml/min). Optionally equipped with a reactor for using hydrogen as a carrier gas. Technical specifications Purity of hydrogen in terms of dry gas is about 99.995% Concentration of water vapor at 20 °C and 1 atm is no 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 6 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 6 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 0.01 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 80 VA maximum (at startup) is no more than 100 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

The water treatment system (hereinafter referred to as the system) is used for the preparation of water used in hydrogen generators, for the preparation of solutions, chromatographic samples, capillary electrophoresis, high-performance liquid chromatography (HPLC), etc. analyzers requiring the use of high purity water. The system is connected directly to the municipal water supply line and allows obtaining high–purity deionized water with a specific electrical conductivity of 0.06 - 0.1 mcm/cm. The device uses multi-stage water purification. Technical specifications System output capacity, l/h not less than 6 Specific electrical conductivity of water, mcm/cm not more than 0.06 – 0.1 Power supply - single-phase AC 220V, 50/60 Hz Maximum power consumption, kW 0.1 Dimensions (W x D x H), mm 200 x 560 x 440 Weight, not more than 20 kg

The Geyser –2A measuring and computing complex is designed to determine the dynamic characteristics and energy efficiency (caloric content) of various substances, including special products (gunpowder, explosives). The device also allows you to determine the chemical resistance of substances by the delay of the ignition time. The analysis is carried out in a given volume in the isothermal mode or in the temperature programming mode. technical specifications Operating temperature range in the reactor, from +50 to +600 ° C. The programming speed of the thermostat temperature in the operating temperature range, no more than 10 ° C. The limit of the permissible absolute error of setting the temperature of temperature control, no more than ± 2 ° C. Instability of maintaining the set temperature in the thermostat for 10 minutes, no more than ± 0.1 ° C. Sampling rate of the optical recording system, at least 25kHz The range of measurement of the ignition delay time in the isothermal mode, from 0 to 600 seconds. The measurement range of dynamic characteristics in the temperature programming mode, from 0 to 3600 sec. The continuous operation time of the device is at least 24 hours. The time for the device to enter the mode from the moment it is turned on, no more than 0.2 hours. The device is powered by AC 220V,+10/-15%,(50±1) Hz. The power consumption of the device, no more than 200 watts. The weight of the device without packaging, no more than 7 kg. Overall dimensions (width × depth × height), no more than 330×265×170 mm.

Specialized wavelength-dispersive XRF analyzer based on the Cochois scheme is designed for high-precision determination of chemical elements U, Th, Mo, Au, W, Tl, As, Pb as well as other elements in ores, rocks and when developing the technogenic fields. Possibility to determine groups of elements without readjustment of crystal-analyzer. Exceptionally high resolution of the Koshua X-ray optical scheme with crystal-analyzer quartz 1011. Developed mathematical support. Principle of analyzer operation is based on the excitation of the fluorescent radiation of sample atoms being under examination by radiation coming from an X-ray tube. Spectrum decomposition of the fluorescence radiation is performed according to Cauchois method. The fluorescence radiation focused by analyzing crystal and standard line are marked on Rowland focal circle. Then, they are recorded by X-ray radiation detector in turn. The intensity of the fluorescent irradiation with a particular wavelength is directly proportional to the chemical element concentration in the material under examination.