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The frequency meter is able to work both independently and as part of automated measuring systems with interfaces such as USB or RS-232. Technical specifications Frequency and period of sinusoidal signals (inputs A, B) 0.001 Hz - 150 MHz Frequency of video pulse signals (inputs A, B) 0.001 Hz - 100 MHz Frequency of continuous sinusoidal oscillations (input C) (0.1 - 1) GHz Frequency of continuous sinusoidal oscillations (input D) (1 - 37.5) GHz Carrier frequency of a continuous signal with frequency modulation (FM) (input D) Fh = (1 - 18) GHz, Fm = 100 Hz-100 kHz; frequency deviation from 10 kHz to 10 MHz Carrier frequency of a continuous signal with amplitude modulation (AM) (input D) Fh = (1 - 18) GHz, Fm = 100 Hz - 100 kHz; AM factor up to 100% Carrier frequency of a continuous radio pulse sequence (IM) signal (input D) Fn = (1-37.5) GHz, from 0.15 microseconds to 1ms, Fsl from 100 Hz to 3 MHz, from 2 to 103 Pulse duration 10 ns – 0.1 s Time interval from -10 to 10 s The duration of the front, the decay of the pulses is 5 ns - 100 microseconds Phase difference of two synchronous sinusoidal signals from minus 360° to 360° The measurement error of the phase difference of two synchronous sinusoidal signals is ± 0.36° (from 1 kHz to 1 MHz) ± 3.6° (above 1 MHz) Input signal level: •for sinusoidal signal (inputs A, B) (0.03 - 7.0) V •for video pulse signal (inputs A, B) (0.1 - 10.0) V •for a sinusoidal signal (input C) (0.03 - 1.0) V •for sinusoidal and IM signals (input D) 10 MW (from 1 to 8 GHz); 40 MW (sv. 8 to 18 GHz); 50 MW (sv. 18 to 37.5 GHz). The nominal frequency value of the reference quartz oscillator is 10 MHz Relative error in the frequency of the quartz oscillator, no more than ± 2x10-7 in 12 months Operating temperature range from 5 to 40 °C AC power supply 220 V, 50 Hz Power consumption, no more than 100 VhA Overall dimensions, mm 496x174x459 Weight, not more than 16 kg

Tubes without fillers are used for the study of blood serum in biochemical, immunological and serological tests. The gel forms a stable barrier between the serum and the shaped elements during centrifugation. Research material............... blood serum Scope of application............................ blood serum research in biochemistry, immunology, serology Centrifugation................................ 1500 g - 10 minutes

The LOIP LT-224b modification device consists of an immersion thermostat-circulator LOIP LT-200 and a working bath with a lean-to hinged lid. Technical specifications: Temperature range: without external cooling, °C Current+10 ... +200 with tap water cooling °C Tvods+5 ...+200 Accuracy of temperature maintenance, °C ± 0.1 The error of setting the set temperature, no more than ° C ± 0.2 Heater power, W 2000 Pump: max. flow rate, l/min 10.5 pressure, 0.27 bar Bath volume, l 24 The working fluid is water, water-glycerin mixture, silicone oil. Open part of the bath / depth, mm 360x296/200 Overall dimensions, mm 535x335x420 Weight, kg 14.2

ConFlat (CF) standard connections are used to ensure the connection of components of vacuum systems operating in the field of high and ultra-high vacuum.

Keri Blair transport medium is a modification of Stewart's basic transport medium designed specifically for the transportation and storage of fecal and rectal samples containing Salmonella spp., Shigella spp., Vibrio spp., Campylobacter spp., Pseudomonas spp., Escherichia coli and other microorganisms. This medium is standard for the transportation of anaerobes. Bacterial cultures are guaranteed to remain viable for up to 48 hours at a temperature of 15-22 ° C. The tampon probe is packed in a high-impact PP tube (12*150 mm). The test tube is provided with a label indicating: batch number, date of sterilization, expiration date, manufacturer, supplier, registration certificate, and also provides a place for applying information about the patient and the sample. The edge of the label is fastened with a stopper that closes the tube with a tampon - the label serves as the control of the first opening. Store at a temperature not lower than + 5 °C and not higher than + 25 °C.

The working condition of the ND-500 diffusion pump depends on the temperature of the working fluid in the pump boiler. During the initial filling, it is recommended to fill the maximum volume of the working fluid. Working fluid is "VACMA OIL 500" vacuum oil (under technical specifications TU 19.20.29-061-00218526-2019). The total amount of working fluid in the ND-500 diffusion pump is a maximum of 5.5 liters, a minimum of 4 liters. The viewing window for visual inspection of the working fluid has marks of its maximum and minimum amounts. During normal operation of the pump, the level of the working fluid practically does not change.The temperature of the working fluid when the pump is operating at the maximum residual pressure is about 240°C to 255°C. It is recommended to monitor the operation of the heaters in the ND-500 diffusion pump using one temperature sensor. The temperature sensor must be installed in a special radiator socket above the heater. If there is a loss of working fluid and an increase in the temperature of the radiators of the ND-500 diffusion pump up to 320°C, the temperature sensor should give the command to automatically turn off the heaters. The subsequent activation of the pump heaters should not be automatic and should be carried out only after cooling the system. Water at the inlet to the cooling systems of the housing and the oil reflector must be supplied with a pressure of 0.3 MPa (3 kgf/cm2) to 0.5 MPa (5 kgf/cm2) and a temperature of plus 4 ° C to plus 25 ° C. The recommended cooling water consumption for the housing is 500 l/h, for the oil reflector it is 50 l / h. It is regulated by the outlet water temperature, which should not exceed plus 40°C. The water drain should be free (with a jet break). The required speed of action of pre-vacuum pumps at a pressure of 26 Pa (0.2 mm Hg.st) in the outlet section of the ND-500 diffusion pump should be at least 42 l/s. To reduce the losses of the working fluid of the ND-500 diffusion pump at pressures (1·10-1- 1) Pa [(7,5·10-4- 7,5·10-3) mmHg] it is recommended to install an additional LP-500 flow-through water trap on the outlet flange.

Capacity: 10.0 (-10%) l/h Volume of the built-in water collector: 20 l Heating elements: Heating element 2.4 kW 220V (stainless steel) – 3 pcs. The quality of the produced water: GOST R 58144-2018 "Distilled water", FS.2.2.0019.18 "Water for injection" Type of current, frequency, voltage: alternating three-phase, 50 Hz, 380 V Power consumption: 7.2 kW Overall dimensions (L×W×C), mm: 425×425×775 Weight: 22.8 kg Warranty period: 24 months from the date of sale Registration certificate for a medical device No. FSR 2010/07649 of November 01 , 2016 Electrical conductivity of the produced water: 2-2.5 microns/cm The temperature of the produced water: from 70 to 85 ° C Source water flow rate (at 10 °C water temperature): 75 (±10%) l/h Source water pressure: 0.1-0.4 MPa Version: Desktop with adjustable supports. Wall mounting is possible Coefficient of water purification from radionuclides: at least 4000 Service life: at least 10 years

Furniture for laboratory work. Table-sink LAB-M MO 150.65.90 PP Width, mm: 1500 Depth, mm: 650 Height, mm: 900 Equipment: The table top is polypropylene with an overhead rim around the perimeter. Attention! It is not recommended to use a polypropylene bowl for working with oil and petroleum products (fuel oil, bitumen, etc.) . The location of the bowl in the center, the mounting of the bowl is suspended. Inner bowl size – 400*400*300 mm The base of the sink table is a support pedestal made of white melamine Facades – laminated MDF of white color with a thickness of 16 mm, dark gray ABS edging Without shelves

Furniture for laboratory work. Table-sink LAB-M MD 150.65.90 PP Width, mm: 1500 Depth, mm: 650 Height, mm: 900 Equipment: The table top is polypropylene with an overhead rim around the perimeter. Attention! It is not recommended to use 2 polypropylene Bowls for work with oil and petroleum products (fuel oil, bitumen, etc.) . Hanging bowl attachment The inner size of each bowl – 400*400*300 mm The base of the sink table is a support pedestal made of white melamine Facades – laminated MDF of white color with a thickness of 16 mm, dark gray ABS edging Without shelves

Design features: Special system of air intake and exhaust of combustion products with adjustable thrust; Programmable microprocessor temperature controller; Three programs of ten steps with the ability to set the temperature, heating speed and holding time for each step; Manual heating mode with timer with sound notification and automatic shutdown; Durable ceramic muffle; Semi-open heaters on four sides of the chamber; Backlit graphic display; Conveniently located control panel; Automatic shutdown of heating when opening the door; Sound and light alarm when the current temperature exceeds the limits of the permissible interval; The door opens up and faces the user with the cold side; Highly efficient thermal insulation of the housing; The furnace body is made of high-quality sheet steel and painted with heat-resistant powder paint. Technical specifications: Maximum heating temperature, °C +1300 Temperature stability in steady-state thermal mode, °C ± 10 Warm-up time to the maximum temperature, no more than 120 min Dimensions of the working chamber, WxHxD, not less than mm 215x190x330 Overall dimensions, WxHxD, not more than 525x1045x680 mm Rated supply voltage, 220 V Rated power, W 6100

Design features: Programmable microprocessor temperature controller; Three programs of ten steps with the ability to set the temperature, heating speed and holding time for each step; Manual heating mode with timer with sound notification and auto-off; Durable ceramic muffle; Semi-open heaters on four sides of the chamber; Backlit graphic display; Conveniently located control panel; Automatic shutdown of heating when opening the door; Sound and light alarm; Highly efficient thermal insulation of the housing; The furnace body is made of high-quality sheet steel and painted with heat-resistant powder paint. Technical specifications: Maximum heating temperature, °C +1300 Temperature stability in steady-state thermal mode, °C ± 10 Warm-up time to the maximum temperature, no more than 120 min Dimensions of the working chamber, WxHxD, not less than 200x110x190 mm Overall dimensions, WxHxD, not more than mm 505x565x565 Rated supply voltage, 220 V Rated power, W 2800

The NVSp-4 dry vacuum spiral pump can operate continuously at an inlet pressure of no more than 10 kPa (75 mm Hg), pumping out one or more sealed vessels with a total volume of no more than 0.7 m3 from atmospheric to residual pressure during the day. Pumping of vessels of the specified volume with leakage is allowed, but the leakage should not cause an increase in pressure at the pump inlet of more than 10 kPa (75 mm Hg).