SPEAKER SWITCHING DEVICES

The most common, universal detector that is suitable for the analysis of a wide range of organic compounds. The sensitivity depends mainly on the number of carbon atoms. In combination with a methanator, it allows the analysis of carbon oxides at the level of 0.1 Rt. The level of fluctuation noise is up to 50 MV, the maximum signal is up to 2500 V. Technical characteristic: 1.2*10712 gs/s for hydrocarbons

The most versatile detector with two sensitive elements and automatic protection against their burnout. DTP has a significantly lower sensitivity compared to PID, but it is indispensable for determining permanent gases (helium, hydrogen, oxygen, nitrogen, argon, etc.). A distinctive feature is the extended dynamic range, in fact from 20 MV to 20 V and full automation of measurement, including current setting, compensation of the initial zero offset, switching measurement limits. It is available in several modifications, both in terms of volume and execution of sensitive elements. 'The level of fluctuation noise is up to 20 MV, the maximum signal is up to 20 V. Technical characteristics: 4.010710 g/ml of propane or teptan, 4.0 *10`10 g/ml of hydrogen

Selective detector for phosphorus and organosulphide compounds. It is used mainly for the analysis of sulfur-containing substances (hydrogen sulfide, mercaptans, thiophenes, etc.). The sensitivity for sulfur reaches 0.1. ppm. In addition, PFD has sufficient sensitivity and selectivity to compounds containing nitrogen, boron, tin, chromium, selenium, germanium, as well as CO, POPS, MgOx, $02, Ma, NOT C52. The selectivity of 5-containing compounds to hydrocarbons is 105. Technical characteristic: 8,0*10-13 g5/s by sulfur 1.0*10`13 g/s for phosphorus

Partially universal detector. It is used for the analysis of most organic compounds, including aromatic and aliphatic (except methane) hydrocarbons, heterocyclic compounds, phenols, phthalates, pesticides, amines, ketones, aldehydes, esters, mercaptans. It does not register compounds whose ionization threshold is higher than 10.2 eV (for example, acetonitrile, methanol). Technical characteristic: 5.0*10`13 g/s for benzene

Device for dosing of liquefied gases is made for insertion of liquids and liquefied gases under the pressure of 7 MPa into the chromatograph. Injection of liquefied gas without de-gassing is provided by cooling of valve, and it greatly reduces inaccuracy of the analysis results. Cooling temperature is set by temperature regulator. Visual control of absence of de-gassing and flow control of the analyzed fluid is provided. Dose volume is form 0.2 to 2 mcl. Valve of VICI production or dispenser valve of our own production is used directly as a sample-valve.

TDS-2 is a syringe (see Fig. 1), which is installed on the evaporator of the chromatograph. The device is equipped with a crane that cuts off the carrier gas line when removing the rod with the sorption tube from the thermal desorber. When the tap is open, the stem is lowered to the lower position and the sorption tube is inserted into the evaporator brought to the desired temperature. In the conditions of the upper position of the rod, it is also possible to displace air by purging the sorption tube with a carrier gas. Technical characteristics of TDS-2 The heating time to the desorption temperature is no more than 1 sec. The cooling time when moving to a cold zone is no more than 10 seconds. Outer diameter 5-0.1 mm Dimensions of the sorbent chamber: diameter 3.4+0.3 mm length 52 mm (470 µl) Volume (for solid samples) 90 µl Operating temperature ranges* from 50° to 400 °C Overall dimensions (height with the rod fully extended) 320 mm. Weight 0.325 kg.

The metering valve for the introduction of gas samples is designed for the introduction of gas under excessive pressure into the chromatograph. Cranes differ in the number of moves (4, 6, 8, 10, 12) and have two provisions "Selection" — "Analysis". In addition to dosing, cranes can be used to switch chromatographic columns, elements of gas circuits, etc. The tap can be installed either on the side panel of the chromatograph, or directly into the analytical module instead of, or together with the evaporator of the chromatograph, while it is used as a back-purge tap or for hot sample entry. Additionally, the tap for hot entry can be equipped with heated pipelines. technical specifications The dose volume is from 0.25 to 5.0 ml (at the request of the consumer, the dose volume can be increased to 10 ml and reduced to 0.1 ml). The maximum temperature of the tap is no more than 160 °C. The pressure in the crane line is not more than 0.48 MPa. The angle of rotation of the crane handle — depending on the number of strokes.

It is used to determine hydrogen, oxygen, CO and combustible hydrocarbon gases, and its sensitivity to these compounds is higher than the sensitivity of an accident. The most widespread TCD was obtained for the analysis of hydrogen and oxygen, tk. its sensitivity to them is almost an order of magnitude higher than that of an accident. The principle of operation is based on fixing the thermal effect of catalytic combustion of the sample on the surface of the platinum filament. Technical characteristic: 1.8*10`10 g/ml of hydrogen

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 reverse purge valve is a 4-way valve designed to change the direction of the flow of the eluent through the nozzle column and blow off heavy components from the beginning of the column in the opposite direction into the detector. The crane is attached to the bottom panel (bottom) of the module, while taking the temperature of the column thermostat. The two upper fittings (see Fig.) are used to connect the column, the other two are connected to the evaporator and the detector.

The composition of the TDS-4 includes the thermal desorber itself (the thermostat of the sorption tube, a cryolovushka, an automatic switching valve, a touch control panel), a heated transition line that is installed in the evaporator\ Technical characteristics of TDS-4 Temperature of thermal desorption, 0C to 400 The heating rate of the sorption tube, 0C/min up to 500 Trap temperature, 0C from minus 25 to 400 Trap heating speed, 0C to 2000 The method of heating the trap is direct Tap heating temperature, 0C to 250 Transition line heating temperature, 0C to 250 Continuous operation mode Dimensions of the sorption tube, (diameter; length), mm. Material glass, stainless steel 5/114 (on request 6/115, 6,3/89 and their combinations) Tube material glass or stainless steel (SS316) Method of trap cooling without using liquid refrigerant The number of regulated gas flows is not less than 2 There is an automatic leak test function There is a function of automatic purging of the sorption tube Electric power supply from 187 to 242 V, 50 Hz Power consumption, W not more than 700

Selective detector for organochlorine compounds and other halogens. It is also sensitive to compounds containing oxygen, phosphorus or aromatic rings, but to a lesser extent. Paraffins and simple hydrocarbons almost do not capture electrons and are not registered. The selectivity to hydrocarbons is 108. It is available in two versions — conventional EDD and micro-EDD, mainly for capillary columns (the second version is characterized by increased sensitivity). The level of fluctuation noise is up to 300 MV, the maximum signal is up to 5 V, the design of the ECD allows the use of argon, helium, and hydrogen as a carrier gas, in addition to nitrogen. Technical characteristic: 4.0*10-15 g/s for lindane

GC and MS interface Capillary direct interface, independent temperature control (50-300 0 S) The filament of the cathode (filament) is a double filament for electron ionization (EI), the maximum current is 300 µA. Double thread increases the service life. Two independent switchable cathodes Temperature of the ion radiation source Independent heating and temperature control, maximum value 350 0 C (adjustable) Transparent polymer window on the front panel there is no visual control of the state of the cathodes Ion radiation source Lenses made of ceramic and with a patented coating enhance the focusing effect, which significantly increases the efficiency of ionization, an electrode with a patented reflective surface improves focusing Tubular lenses enhance the focusing effect, which significantly increases the ionization efficiency, an electrode with a patented reflective surface improves focusing Energy ionization 10-100 eV The mass analyzer is a high-precision quadrupole with a filter that reduces the contamination of the main quadrupole and eliminates the influence of photonic noise on the analysis High-precision molybdenum quadrupole with prequadrupole (replaceable), which reduces the contamination of the main The detector is an electronic multiplier with a high-voltage secondary emiting electrode (dinode) of high energy 3D geometry to improve sensitivity. The amplifier of weak voltage signals effectively reduces network noise, improves the signal-to-noise ratio during electron ionization and provides a large linear dynamic range. It is possible to install an additional detector Mass range 2.0-1200 a.e.m. 1.5-1050 a.e.m. Mass stability Less than 0.1 a.e.m. for 48 hours Signal ratio noise At least 1500:1 with mass to charge (m/z) 272 At least 150:1 with mass to charge (m/z) 272 (with signal filtering 500:1) Linearity Not less than 107 Not less than 106 Precision < 5% RSD 9n=7, SIM, 100 fg OFN) no System sensitivity IDL < 10 fg (SIM mode, OFN according to m/z 272) no Maximum scanning speed 20000 a.m./s 11000 a.m./s Operating modes Scap, SIM, Scan/SIM, MicroScan and the innovative Flexible-SIM algorithm for finding trace amounts of components no Setting Automatic setting MSD on the PFTBA spectrum and m/z control of oxygen, nitrogen and water no Pumping pump Oil plate-rotor vacuum pump with a pumping speed of 66 l/min Oil plate-rotor vacuum pump with a pumping speed of 165 l/min Turbo pump Turbo molecular pump with magnetic levitation, with a pumping speed of 85 l/s (can be replaced by 300 l/s) Turbo molecular pump with magnetic levitation, with a pumping speed of 71 l/s (possible replacement by 260 l/s) RF detector power Allows you to use three points for calibration in the entire mass range and get good linearity in scanning mode Software Rus./ Eng. The ability to search and extract structural, graphical formulas. Library of 240,000 spectra. The ability to isolate individual components from overlapping peaks. In addition to spectra and compounds, the library contains the element name, formula, molecule structure, molecular weight, CAS number, analysis conditions, synonyms, and estimated or measured retention readings. The NIST EI library contains: drugs, metabolites and poisons, pesticides and fungicides, organic substances present in soil, water and air, amino acids, di- and tripeptides, common sample pollutants, common analytical derivatives, etc. Ethernet interface, remote access function implemented Touch screen Display of parameters and monitoring of system status no Built -in power supply Allows you to turn off the detector in normal mode if there is no power supply violation

Selective detector for organophosphorus and nitrogen compounds. It is also sensitive to compounds containing C, Az, but to a lesser extent. The sensitivity depends on the number of heteroatoms in the molecule. Selectivity to hydrocarbons is 104 for nitrogen, and 105 for phosphorus Technical characteristic: 2.0*10-13 m/s nitrogen 1.5*10`14 g/s for phosphorus

The KOV-4 type air compressor is designed to supply flame detectors of gas chromatographs with air. Technical specifications: Capacity, at least, l/min 3 Outlet air pressure, 0.25+5 MPa% Pressure stability at constant flow rate, not more than 0.0007 MPa Engine power consumption, max, VA 100 Receiver volume, l 9 Noise level, no more, 60 dBa Weight, not more than, kg 19 Overall dimensions (width×depth×height), not more than, mm 235×755×440 Single-phase mains voltage 220 V, 50 Hz

They are used for sampling natural and liquefied gas. In the company "Meta-chrome" you can buy the following gas samplers: PGO-50M; PGO-400; BDP 12-2-9,8 (aluminum, subcompact); PU. The PGO-50 M, PGO-400 and PU models are used to take samples of liquefied hydrocarbon gases that are affected by the overpressure of stationary tanks and or their own vapors. Sampling is carried out according to GOST 14921-78. The BTP 12-2-9.8 device is used for sampling, storing and transporting samples of gases that are under pressure. The device is made of aluminum and is designed for a small liter. Sampling is carried out according to GOST 31370-2008. INDICATOR BDP7 BDP7 BDP12 BDP12 BDP16 PGO-400 PGO-50M Volume, l. 0,7 1 2 4 10 0,4 0,05 Outer diameter, mm 70 70 120 120 160 50 35 Length, mm 360 480 368 593 800 400 325 Working pressure, MPa 9.8 5.0 9.0 The number of refills up to the operating pressure, times at least 5000 Case material AMg6M 12X18