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The separation of some substances (the classic case is the separation of oxygen and argon) requires negative temperatures of the thermostat of chromatographic columns. technical specifications The lower temperature limit of the thermostat of columns with a cooling device based on an air conditioner is minus 5 °C. The error in maintaining the temperature of the thermostat of columns with a cooling device based on an air conditioner is + 0.05 °C. The power consumption of the cooling device based on an air conditioner, no more than — 640 VA. Overall dimensions of the cooling device based on the air conditioner, (width × depth × height), no more than — 620×480× 410 mm. The weight of the cooling device based on the air conditioner, no more than 32 kg. The lower limit of the temperature of the thermostat of columns with a liquid nitrogen cryoclap is minus 100 °C. The error of maintaining the temperature of the thermostat of columns with a liquid nitrogen cryoclave (in the temperature range less than 25 °C) + 0.1 °C. The power consumption of a cooling device with a liquid nitrogen cryoclave, no more than — 10 VA. Consumption of liquid nitrogen, not more than 0.1 l/h.

The device is designed to extract target organic substances from liquid and solid samples. Implements the latest method of sample preparation in chemical analysis - extraction freezing with centrifugation of EVCB (Patents of the Russian Federation RU2303476/2007, RU2564999/2015, Patent of the Kyrgyz Republic KG388/2020, International Application PCT/RU2015/000615). Scope of application - hydrochemistry, chemical and toxicological analysis, biochemistry, food research, etc. technical specifications The temperature range of extraction freezing with centrifugation is from -(minus) 28 to +25 °C. Rotor speed with the possibility of programming the mode 100-8000 rpm Separation factor up to 6600 g Cryoextractor power supply from AC 220 V, 50 Hz Power consumption, not more than 0.3 kW The mass of the cryoextractor is not more than 50 kg Overall dimensions (HxWxD), mmxmmxmm no more than 900x600x600 Number of simultaneously extracted samples (individually on request)

The gas flow shaper (FGP) is designed to automate the old fleet of chromatographs of the LHM type, model-3700, "Color" series, etc. in terms of setting and regulating the flow and pressure of both the carrier gas and auxiliary gases. The FGP has a flexible structure and provides regulation of gas flows from two to four independent gas flow channels and up to three pressure channels. The gas pressure at the inlet is (0.4 ± 0.04) MPa. The operating flow ranges of the carrier gas are from 3 to 250 ml/min with a discreteness of 1 ml/min. The ability to specify the type of gas (nitrogen, helium, hydrogen, argon, air). The ranges of hydrogen consumption are from 3 to 250 ml/min with a discreteness of 1 ml/min. The air flow ranges from 10 to 750 ml/min with a discreteness of 1 ml/min. Pressure ranges — from 0.001 to 0.40 MPa with a discreteness of 0.0001 MPa. Deviation of the carrier gas flow rate from the average value of ± 1.5% in the flow range from 50 to 100 ml/min and ± 0.5 ml/min in the flow range from 3 to 50 ml/min. The relative deviation of the average steady-state gas flow rate from the set value in the range: from 3 to 100 ml/min. ± 2.5%, but not less than 0.5 ml/min.; from 100 to 200 ml/min. ± 5%; from 200 to 800 ml/min. ± 10%. Electric power supply from a single—phase AC network with voltage from 187 to 242 V, frequency (50 ± 1) Hz, operating mode - continuous. Power consumption, no more than — 30 VA. Overall dimensions of the FGP (width × depth × height), no more than 160 × 370× 210 mm. Weight, not more than — 8 kg.

The Meta-chrome digital gas flow meter is designed to maintain a given pressure and the ratio of the amount of gases (in the flow mode) or gas flow (in the intake mode) in vacuum installations with automatic and manual control. technical specifications The number of control channels is 2 (or more on request). The maximum flow rate for each of the channels is 700 cm3/min. The possibility of using gas correction coefficients, the most commonly used gases are listed in the leaker database. The accuracy of maintaining a given proportion of gases is 5%. The accuracy of maintaining the specified gas flow rates is 3%. Input pressures from 1 to 4 atm. Electric power supply from a single—phase AC network with voltage from 187 to 242 V, frequency (50 ± 1) Hz, operating mode - continuous. Power consumption (without a personal computer), no more than — 30 VA. Overall dimensions (width × depth × height), no more than 165×350×215 mm. Weight, not more than 5.5 kg.

When analyzing gases dissolved in transformer oil using the ARP method (equilibrium vapor analysis), it is necessary to first fill a syringe with transformer oil with a carrier gas, and then, after achieving an equilibrium distribution of gases dissolved in oil between the liquid and gas phases, introduce the gas phase into the chromatograph (blow out the doses of the chromatograph dispenser tap). Moreover, the operations of filling the syringe and entering the sample are performed without air access. When filling the syringe, it is possible to fix the syringe stem at a certain volume. technical specifications The volume of syringes is 20 or 50 ml. The pressure at the outlet of the syringe filling line with argon is 0.5 atm. The range of ratios of volumes of the gas phase and oil (Vg/Vm) is from 0 to 1.5.

The pyrolytic gas chromatography method is widely used in the study of polymer materials, plastics, rubbers, rubbers, paints and other high-molecular compounds of natural and artificial origin. The method is based on thermal decomposition of sample samples in an inert medium (without oxygen access), followed by chromatographic separation and analysis of the formed volatile compounds. Thus, the resulting pyrogram allows us to judge the composition of the original sample. Pyrolysis is also used in geochemical studies. Technical specifications The volume of the capsule is 56 ml. Pyrolysis temperature — from 200 to 1000 °C. The error of maintaining the temperature is not more than 1.0 ° C. The heating time of the sample to the pyrolysis temperature is no more than 2 seconds. The cooling time of the capsule when moving from the hot zone to the cold zone after pyrolysis is no more than 10 seconds. The time of continuous operation in the pyrolysis mode is no more than 60 seconds. Electric power supply from the AC network with voltage (220index) V, frequency (50 ± 1) Hz. Power consumption — no more than 100 VA. Overall dimensions of the control unit (width ×depth×height) — 210×190×100 mm. Overall dimensions of the input node (width× depth×height) — 90×135×160 mm. The weight of the control unit is not more than 2.5 kg. The weight of the input node is not more than 0.9 kg.

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 TDS-3 includes a heating column with a sorption tube, which is installed on the evaporator of the chromatograph and a control unit located on a special bracket on the right side panel of the chromatograph Technical characteristics of TDS-3 Desorption temperature (column heating), 0C to 400 Heating speed, 0C/min at least 500 The cooling time when moving to a cold zone is no more than 10 seconds. Cooling time from 300 0C to 50 0C, min. no more than 10 Continuous operation mode Power consumption, W not more than 250 Dimensions of the sorption tube, (Ø, length), mm. Material glass, stainless steel 5/110, 5/114, 6/115, 6.35/89 Electric power supply from 187 to 242 V, 50 Hz. The display of the measured temperature and the setting of the temperature on the display is The discreteness of setting the desorption temperature, 0C 0.1

The flow regulator consists of the following parts: Body. It includes a connector for connection to the control controller and fittings for connecting the input and output gas lines. Calorimetric converter. Due to the heating of the gas along the flow section, the temperature difference is determined. The actuator (solenoid valve). The control board. A system of elements responsible for converting the signals that the user submits. TECHNICAL CHARACTERISTICS OF RD The gas pressure at the inlet is (0.4 + 0.04) MPa. Ranges of working gas flow rates — from 5 to 800 ml/min. The ability to specify the type of gas (nitrogen, helium, hydrogen, argon, air). Pressure ranges — from 0.001 to 0.40 MPa with a discreteness of 0.0001 MPa. The deviation of the carrier gas flow rate from the average value is + 1.5% in the flow range from 50 to 100 ml/min and + 0.5 ml/min in the flow range from 3 to 50 ml/min. Relative deviation of the average steady-state gas flow rate from the set value in the range from 3 to 100 ml/min: + 2.5%, but not less than 0.5 ml/min; from 100 to 200 ml/min.: + 5%; from 200 to 800 ml/min.: + 10%. The gas pressure at the inlet is (0.4 + 0.04) MPa. The deviation of the regulated output pressure of the regulator from the set value is not more than 1%.

● Magnification range: 50 - 800x ● Interchangeable lenses planachromat 5x/0.12, 10x/0.25, 20x/0.40, 40x/0.60 (on request), 50x/0.70, 80x/0.80 with extended working range ● Eyepiece 10x/18mm ● Illuminator: LED illuminator with stabilized source and built-in battery. Lighting adjustment with linear intensity change. The charger is included. ● Microscope tripod with height adjustment with a stroke of 35 mm. The ability to tilt the tripod at an angle of ± 20 degrees forward and backward to take pictures of a curved surface without moving the microscope from the mounting point ● Moving the lens 30x30 mm along the X-Y axes ● Coarse and fine focusing handles ● Strong magnetic fastening on 3 points using hinged supports for mounting on curved convex and concave steel surfaces, including pipe bends with a diameter of 60 mm ● Anti-slip nozzles ● Metal mounting for non-magnetic surfaces with ratchet mechanism ● The base for fixing the microscope in stationary operation ● Bayonet mount for camera ● C-mount mount for video camera ● Transport plug for video output ● A case for carrying a microscope with a camera.

Biotechno pilot fermenters have a fully aseptic design and are easily validated. The universal C-Bio control system, unified for fermenters of any volume, greatly simplifies the scaling process and allows you to transfer fermentation data to larger fermenters. The total volume is 15-50 liters Working volume 10.5-35.0 l Material of manufacture: 316L stainless steel (for parts in contact with the product) Stainless steel grade 304L (for parts not in contact with the product) Design pressure 3.0 kg/cm3 (capacity) 4.0 kg/cm3 (jacket) Design temperature 143°C (capacity) 151°C (shirt) Surface treatment Internal polishing 0.4 µm + electropolishing External polishing 1.2 µm Ports on capacity Upper Port for diaphragm pressure gauge Port for diaphragm pressure transmitter Bursting membrane Exhaust gas outlet and condenser Inoculation Viewing window Foam sensor port Nozzle for CIP Spare port Upper side walls Air supply Viewing window Culture liquid supply x 3 Ring Bubbler Spare port Lower side walls Port for PT100 temperature resistor sensor Port for pH sensor Port for dissolved oxygen sensor Spare port Sampling port Shirt Steam supply / outlet of the cooled water Steam output / Cold water supply (including safety valve and pressure gauge) Low drain valve 2. Mixing mechanism Top drive with single mechanical seal 0.25 kW DC motor Speed 30-600 rpm (inverter control) Val – F20 Adjustable three-level paddle stirrers 3 welded partitions 3. Aeration mechanism Automatic air supply 2 VVM 5" high-efficiency 0.2 µm filter and 316L stainless steel filter housing Automatic Air flow meter 4. Pressure mechanism The bursting disc Pressure gauge Positioner Pressure sensor Pressure control valve 5. pH/DO control mechanism pH sensor pH Sensor Holder Cable for pH sensor DO sensor DO Sensor Holder Cable for the DO sensor Peristaltic pump (fixed 20 rpm) x 2 Bottle 1 l x 2 6. Defoaming mechanism Defoaming sensor Cable for defoaming sensor Peristaltic pump (fixed 20 rpm) x 1 1 L x 1 bottle 7. Temperature control mechanism Temperature sensor (PT 100) Heat exchanger Pump 8. Strapping and frame Support Corners and channels – STS304 Manufactured strapping Air supply Supply of process steam Supply of pure steam Cooling water supply Return of cooling water Drain of waste water Drain of waste liquids Exhaust gas output Instrumentation Diaphragm valve Direct flow valve Steam trap Membrane pressure gauge Ball valve and pneumatic angle valve Check valve Safety valve Crankshaft, tee Welding of pipes Orbital welding (line in contact with the product) Manual welding (common line)

The working table of Gamma series is supplied in a set: a working table with side racks, a main shelf, overhead lighting, upper and lower punched panels and a side power unit. Quick-detachable side panels provide easy access to internal communications.