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Interleukin 4 is a pleiotropic cytokine that regulates the cellular and humoral immune response and is involved in the processes of proliferation, differentiation, and activation of cells of various types. IL-4 is expressed by activated T lymphocytes, mast cells, dendritic cells, NKT cells, basophils, eosinophils. The epithelium and tumor cells are sources of IL-4 in tissues.

The flow meter is fully developed by Russian specialists in the field of acoustics, hydraulics and electronics, and is designed to measure the volumetric flow rate and volume of water in pipelines, mainly medium and large, under pressure, non-pressure and combined (pressure-free) flow modes. The flowmeter is based on ultrasonic "time-pulse" multipath technology for measuring the flow velocity in the measuring range. In addition, depth sensors (primary transducers) - hydrostatic, radar contactless, ultrasonic underwater or ultrasonic contactless - are used to measure the flow in water ducts with a combined or non-pressure flow mode. In the presence of deposits affecting the shape and area of the live section of the flow, sediment level sensors are used. Secondary converter It is available in both stationary (~220 V) and portable versions with autonomous power supply. Primary converters Inset and overhead primary converters from the inside allow you to place the measurement gate on any water pipe made of any material, taking into account design features. Pipe sizes Du, mm: 200, 250, 300, 350, 400, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, up to 15000 mm The Volga ML acoustic ultrasonic flowmeter is registered as a type of measuring instrument in the Federal Information Fund for Ensuring the Uniformity of Measurements for No. 78414-20 (MP 2550-0361-2019). The Volga ML acoustic ultrasonic flow meter has been recognized as the winner in the nomination Best Technology of the International Environmental Award EWA Award 2020.

Checking the performance of cardiographs, cardiac monitors and cardiac units of intensive care monitors; checking the general functionality and imitation of the patient (when checking stress systems, a cardioid signal is formed); checking the amplitude of the signal recording (a U-shaped signal is formed).

Purpose: processing of information received from detection units (primary converters); data transmission to the information network; data transfer to a portable computer (remote control tuning PN-PC); storage of threshold settings and parameters of detection units (primary converters); power supply and diagnostics of detection units (primary converters); output of threshold exceeding signals to built-in sound and LED alarms and to remote alarm units (BAS/BAS-1c); output of discrete signals (dry contacts); archiving of data in non-volatile memory.

Meets the requirements of the US and German standards. The energy flux density meter (PPE) of the electromagnetic field PZ-ZZM is designed to measure the PPE in continuous generation mode in the frequency range from 0.3 to 18 GHz when monitoring the levels of the electromagnetic field for compliance with the requirements of electromagnetic safety standards. The meter is used to measure the levels of microwave radiation in residential and working premises in the presence of electrical equipment for power, household, switching and information purposes, as well as during a comprehensive sanitary and hygienic survey of territories. The meter is allowed to be used for work in the field. The meter consists of an antenna-converter of the electromagnetic field energy flux density into a constant voltage and a measuring and display unit that performs analog-to-digital conversion, digital signal processing and output of measurement results to a liquid crystal display screen, as well as to a personal computer. The antenna of the meter has three dipole-detector microassemblies that form a mutually orthogonal structure. The resulting PPE value is defined as the vector sum of the PPE measured by each dipole microassembly

The NV-400 TDYAN side cabinet with drawer and shelf insert The standard version of the side table for the laboratory table includes: a niche, 1 drawer on roller guides, a swing door, a shelf insert, 2 mm shockproof PVC edge, 4 mm plastic baseplates. In the standard version, we offer cabinets for laboratory tables in gray color. However, in agreement with the customer, it is possible to change the color to white, without increasing the cost. We are also ready to adapt the size and materials so that they meet your needs.

The installation allows you to grow plants regardless of the time of year and weather conditions. Watering, ventilation and lighting of plants take place automatically. The system allows you to cultivate vegetable, berry, green, ornamental and medicinal plants. The equipment has a number of functions that allow you to identify the optimal modes of growing various crops: • Regulation of plant lighting modes • Plant nutrition management • Machine vision system (in the future, it will allow replacing humans and automatically controlling the microclimate, nutrition and lighting of plants to obtain maximum yields or plants with specified properties) These cultivation systems allow you to develop the following competencies: Chemistry – preparation of nutrient solutions; Biology – plant physiology, biochemistry, agronomy; Physics – spectral composition of light, hydrodynamics, energy supply of the system; Engineering – development of structural features of plant growing systems; IT – data collection and processing, training neural networks in decision-making algorithms; Economics – calculation of planting density, yield, and sales model. Growing plants in the city, in the vicinity of consumers, is mainstream all over the world. According to the UN, city farming will be the main direction of supplying fresh plant products to urban residents. In Russia, this area is especially relevant due to the natural and climatic characteristics of the country. The training of specialists and the development of this area will improve the quality of nutrition with vitamin products of the population and strengthen food security.

The measuring converter of the Earth's magnetic field is made on the basis of magnetoresistive sensors that simultaneously measure the orthogonal components of the magnetic field strength at the control point and the modulus of the intensity vector. At the same time, the magnetometer readings do not depend on the orientation of the measuring transducer in space. The MTM-01 magnetometer is also an effective means of measuring the quality of magnetic protections and screens to ensure the standards of electromagnetic safety of workers and the public during the operation of distribution transformers and electric power plants.

It is especially effective for use in products made of composite materials (including with honeycomb filler). Distinctive features: The AD-42 IP is a compact acoustic system sensitive to changes in mechanical impedance caused by product defects. The indication of the device indicates that there are voids, non-adhesives, delaminations or changes in the structure of composite materials (including with honeycomb filler and laminated plastics) under the sensor. The device is used to monitor various materials and their combinations. The energy consumption of the unit is low because the converter is switched on when the sensor is placed on the monitored product. Being light enough, the device allows you to perform monitoring in hard-to-reach places or in confined spaces. The results of the control can be stored in the built-in non-volatile memory and transferred to a PC. Converters Options: - 3 types of converters for various tasks Emitters: - 1 or 2 on each converter Switching-on: - The converters are switched on when they are placed on a controlled object. Technical characteristics: Weight, kg: 0.73 Dimensions, mm: 210x150x70 Power supply: 4 AA batteries Work without recharging the battery, h: 8 Battery discharge visual indication The defect alarm is visual on the converter and audible on the instrument panel (or) in headphones.

METOLAB 603 is a stationary device designed to measure hardness by the Brinell method of various materials and products (steels, cast iron, non–ferrous metals, soft alloys, etc.). The METOLAB 603 hardness tester is a fully automatic device equipped with an electromechanical loading system, as well as an electronic load switch. Other features of the device include automatic focusing, a large and bright LCD display (on the device itself), full Russian interface. It is also worth mentioning that the basic package of delivery of the METOLAB 603 hardness tester includes a personal computer with software for the full processing of the information received. Due to its characteristics, the stationary Brinell hardness tester METOLAB 603 can be used in a wide variety of industries and production, as well as in educational institutions of various levels in the training of specialists. The stationary Brinell METOLAB 603 hardness tester is included in the State Register of Measuring Instruments of Russia (GRSI) and comes with a certificate of primary verification (on request). The number in the GRSI is 65684-16. Distinctive features of the stationary METOLAB 603 Brinell hardness tester: Carrying out measurements in fully automatic mode; Wide range of measured values, high repeatability of results; Simple and intuitive interface; Built-in electronic switch of the value of the applied load; LCD display with all the necessary information in Russian (on the device itself, in addition to the PC display); A digital micrometer that allows you to automatically read the hardness value without using conversion tables. The minimum price of dividing a micrometer is 0.00125 mm. Basic package of delivery: Stationary METOLAB 603 hardness tester; Personal computer (for detailed characteristics of the device, please contact our specialists); Micrometer; Indenter with carbide ball (10; 5; 2.5 mm) - 1 pc.; Large flat table; Small flat table; V-shaped table; Brinell hardness measures - 1 set; User Manual.

The NV-800 MD-B is a table with two stainless steel sinks and without a dryer. It is designed for standing work: its height is 85 cm. Dimensions when assembled (W×D×H): 800×600×850 mm. The overhead double sink is made of corrosion-resistant stainless steel. Washing depth: 16 cm. The side laminated panels of the table (chipboard 16 mm thick) are edged on the facade with a PVC edge 2 mm thick, which increases their impact resistance and mechanical strength. The package includes a stainless steel mixer with 300 mm flexible tap connectors and a siphon. The legs of the table are adjustable in height within two centimeters, allowing you to place it even on a rather uneven floor. Advantages of NV-800 MD-B tables Minimalistic compact model with two sinks. It is an inexpensive solution for laboratories that value the reliability and durability of furniture. Its size makes it suitable for very small rooms. Application of tables NV-800 MD-B Tables of the HB series are used in laboratories of the widest profile: at food and light industry enterprises, in scientific and educational workshops, in chemistry classrooms, quality control centers, medical organizations and many others.