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The AC voltage source B2-7 is intended to provide devices and equipment with a stabilized AC voltage during the development, production, operation and repair of electronic devices. Main properties: Provides protection against overload and short circuits at the output. Has a light indication: - overload and short circuit protection tripping; - incorrect connection of the power supply line to B2-7. Technical specifications The nominal value of the output voltage (SKZ) 220 V The nominal value of the input and output voltage frequency is 50 Hz Output electrical power, not less than 1000 VA The main error in setting the output voltage is ± 2.2 V Additional error in setting the output voltage caused by a deviation of the input voltage by ± 10% from the nominal value of 220 V ± 1.0 V Additional error in setting the output voltage caused by a change in the load current from the maximum value to zero ± 2.0 V Instability of the output voltage for any 10 minutes during 8 hours of continuous operation, no more than ± 2.0 V Operating temperature range from -10 to 50 °C AC power supply 220 V, 50 Hz Power consumption, no more than 1200 VA Overall dimensions, mm 240x128x349 Weight, not more than 6.5 kg

The thermometer sensor ExT-01/2-6 is made in the form of a fully submersible probe with a cable length of 6 meters. The thermometer has an explosion protection marking 0Ex ia IIB T4 Ga X and can be used in explosive zones 0, 1 and 2 of any classes of premises and outdoor installations in which the formation of explosive mixtures of categories IIA, IIB is possible. • Measurement range -50...+130 °C Minimum sensor immersion depth full immersion Overall dimensions of the electronic unit 135x65x40 mm Electronic unit weight 0.3 kg

METOLAB 202 is a stationary automatic hardness tester designed to measure the hardness parameters of various materials and products on the A, B, C Rockwell scales and the HR15N, HR30N, HR30T, HR45N Super-Rockwell scales. The device has a large and bright display, which displays all the necessary service information, and is also equipped with a built-in mini-printer, so that it is possible to quickly print out the information received on paper. Other features of the METOLAB 202 hardness tester include a fully Russified menu, a wide range of measured values, as well as full compliance of measurements with current standards, including BS.EN 10109 and ISO716. The stationary METOLAB 202 hardness tester allows you to apply a loading force in 15, 30, 45, 60, 100, 150 kgf and preload 3 kgf, 10 kgf. The device is entered in the State Register of Measuring Instruments of the Russian Federation (GRSI) under the number 65128-16 and comes with a certificate of primary verification (on request). Regulatory and technical documents establishing requirements for the METOLAB 202 hardness tester: GOST 8.064-94 GSI. State verification scheme for hardness measuring instruments on the Rockwell and Super-Rockwell scales; GOST 9013-59 Metals and alloys. Rockwell hardness measurement method. Scales A, B, C; GOST 22975-78 Metals and alloys. Rockwell hardness measurement method at low loads (Super-Rockwell); GOST 23677-79 Hardness testers for metals. General technical requirements. Distinctive features of the stationary METOLAB 202 hardness tester: All measurements take place in fully automatic mode; The ability to set the upper and lower measurement limits, audible alarm when the results exceed the set values; Opportunity to process statistical data – calculation of minimum/average/maximum values, as well as other functions; Conversion of the obtained results into the Vickers, Brinell and Super-Rockwell scales; Correction for curvature of cylindrical and spherical parts; Simple and intuitive interface in Russian. Basic package of delivery: Stationary Metolab 202 Rockwell hardness tester; Indenter with a ball (1.5875 mm) - 1 pc.; Conical diamond indenter (120°) - 1 pc.; Flat table SP1 (60 mm); V-shaped prismatic table SRP1 (40 mm); Rockwell and Super-Rockwell Hardness Measures; User Manual.

Metal double support cabinet with 2 doors and top drawer Length, mm: 1160 Depth, mm: 500 Height, mm: 860 Completely made of powder-coated steel (RAL 7035) with the texture of shagreen leather Frameless housing design Two compartments. The upper one has a drawer, the lower one has 2 hinged doors. The side walls and facades are double. The thickness of the side walls is 19 mm, the facades are 18 mm The facades are filled with noise-absorbing material The doors are equipped with a lock Hinges with an opening angle of 270o Handles – polypropylene Easy-to-remove shelf in the lower compartment with the possibility of installation at 3 different height levels. The shelf has a lock. The permissible load on the shelf is 30 kg. Telescopic guides of full extension Internal size of the drawer: 1070*410*85 mm The permissible load per box is 20 kg. Hidden adjustable supports (0 - 40 mm). The adjustment of the supports is carried out from inside the pedestal through the base of 8 standard versions of the working surfaces of LAB-PRO RP

Mathematical processing of the measurement makes it possible to determine and display on the indicator board the relative systematic change in frequency, the average relative value of the frequency difference, the RMS relative frequency deviation, the RMS relative two-sample frequency deviation.

Technical specifications: Operating temperature range, °C -80...+100 Accuracy of temperature maintenance, °C ± 0.1 The discreteness of the temperature display, ° C 0.1 Cooling capacity at 20°C, W 510 Pump capacity in the discharge (suction) circuit, not less than, l/min 8 Volume of working fluid, l 11 Open part of the bath/depth, mm 175x135/200 Power supply, V/Hz 220/50 Power consumption, no more than 4.4 kW Overall dimensions, mm 535x555x985 Weight without working fluid, kg 80

It is used in determining the low-temperature characteristics of petroleum products and organic chemical products in accordance with the State Standard 5066 (Method B) and GOST 18995.5.

Furniture for laboratory work. General laboratory storage cabinet Length, mm: 900 Depth, mm: 500 Height, mm: 1940 PACKAGE CONTENTS housing – metal painted with white powder paint (RAL 9016) roof, bottom, shelves – metal painted with dark gray powder paint (RAL 7011) facades - metal painted with white powder paint (RAL 9016) 2 compartments hinges outside the storage area (pin system) 4 shelves without the possibility of height adjustments.

for carrying out heat treatment according to pre-created programs. The presence of remote control and a number of software options allows you to use the product for long-term heat treatment modes. Vacuum drying cabinets can be used for: - gentle drying of thermo- and oxygen-sensitive substances, such as food, medicinal, cosmetic products; - complete removal of residual moisture from heat-sensitive components with a complex shape, such as components of electronic equipment, jewelry, watches and other precision mechanics; - removal of air when filling the molds with a compound, followed by solidification at a given temperature; - removing air from the product and replacing it with another necessary gas medium; - tempering, annealing or aging of metals with the appropriate processing temperature in a vacuum or protective environment; - drying of products after washing in flammable solvents (special version); - testing of devices under low pressure conditions under various temperature conditions.

The walls of the tubes are covered with a dry clot formation activator to accelerate blood clotting. Mixing blood with it does not affect the result of tests. The acceleration of the blood clotting process significantly reduces the preparation time of the biological sample. Material for research............... blood serum Scope of application............................ blood serum research in biochemistry, immunology Centrifugation................................ 1000 - 1500 g - 10 minutes

Stationary universal METOLAB 703 hardness tester is a multifunctional device designed to measure the hardness of materials and products on the Rockwell, Brinell and Vickers scales. The device is a modification of the METOLAB 701 and METOLAB 702 meters. Among the features of the METOLAB 703 hardness tester, the following should be mentioned: a special force sensor for monitoring the applied load; a large and bright color display; software with many functions (including statistical ones – calculation of minimum/average/maximum values, conversion of the results into various scales, automatic switching on of the load, storing data in memory); U-disk for saving and transferring data; creating and editing spreadsheets in Excel format; digital calibration and much more. Distinctive features of the stationary universal multifunctional METOLAB 703 hardness tester: A large number of scales for measurements; Rockwell scales: A, B, C, D, E, F, G, H, K, L, M, P, R, S, V; Brinell scales: HBW1/5, HBW2.5/62.5, HBW1/10, HBW2.5/15.625, HBW1/30, HBW2.5/31.25, HBW2.5/62.5, HBW10/100, HBW5/125, HBW2.5/187.5; Vickers scales: HV5, HV10, HV20, HV30, HV50, HV100, HV12; Multifunctional software in the basic package; Fully Russian-language device menu, simple and intuitive interface; Wide range of measured values: 8 – 650 HB; 20 – 93HRA; 20 – 100 HRB; 20 – 70 HRC; 8 – 2900 H; Load application monitoring using a force sensor; Large and bright color display; Creating and editing spreadsheets in Excel format; U-disk for saving data; Digital calibration of the device; Built-in measuring microscope with backlight. Basic delivery package: Stationary universal METOLAB 703 hardness tester; Conical diamond Rockwell indenter (120° angle) - 1 pc.; Vickers diamond indenter (136° angle) - 1 pc.; Indenter with 1.5875 mm ball - 1 pc.; Indenter with 2.5 mm ball - 1 pc.; Indenter with 5.0 mm ball - 1 pc.; Indenter with 10.0 mm ball - 1 pc.; Large flat table 150 mm - 1 pc.; Medium flat table 60 mm - 1 pc.; V-shaped table 40 mm - 1 pc.; Hardness measures - 1 set; 15x microscope - 1 pc.; 2.5x lens - 1 pc.; 5.0x lens - 1 pc.; User Manual.

The automatic tracing pulse generator AG-105 is designed to create propagating signals (vibrations) in the routes of hidden communications with the active method of tracerouting. The device creates an alternating sinusoidal current in the studied communication (constantly or in short-term parcels) necessary to determine its location. The features of the AG-105 generator Extremely high power output and battery life, for a compact battery pack ("Type C" × 8) and such small overall dimensions. Universal power supply allows you to reach an output power of over 20 watts. With autonomous power supply, the "life cycle" depends on the quality of the "type C" batteries used. For example, with an initial output power of 7 watts in continuous generation mode, the "life cycle" is ≈ 5 hours, and with an initial output power of 15 watts in intermittent modulation mode, the "life cycle" is ≈ 25 hours (using standard new "fresh" batteries, for example, "Energizer C"). When using "ultra-high-capacity" batteries (for example, "Duracell ULTRA" or "COSMOS"), the battery life can be increased by 20-30%. When connecting an external "12V" battery (for example, a car), the operating time is determined by the capacity of this battery. When connecting an external mains power supply "15 V", the operating time is not limited. The dimensions of the portable device in the case are 216x180x105 mm, and the weight does not exceed 2 kg. These features are provided by the use of an ultra-efficient unique modification of the circuit technology for building CLASS D power amplifiers. The pulse output amplifier reaches an efficiency of 85%, which is especially important for "energy-consuming" devices with autonomous power supply.