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360 products
Diamond thermal cell NPVO with temperature controller
Diamond thermal cell NPVO with temperature controller
The sample heating system is designed to expand the capabilities of standard set-top boxes NPVO-ZDO and NPVO-A. It consists of a heated replaceable frame with a diamond prism and a temperature controller unit. For most solid samples in the heated state, it is possible to obtain a much more pronounced NPV spectrum than in the cold state. This makes it possible to increase the sensitivity of the method several times. The properties of some substances and compounds change dramatically with an increase in temperature, chemical interaction processes between components, their decomposition, oxidation in air, etc. may occur. If changes in the chemical composition of a substance occur during heating, a set of spectra corresponding to the kinetics of the process can be obtained with the help of an NPVO prefix with a diamond thermocell and a temperature controller, which is essential expands the possibilities of the method in research. Technical characteristics of the NPVO set-top box with a thermocell and a controller Transmission in the operating range of the spectrum, % of the input signal at least 10 The recommended number of scans when registering spectra is 25 Spectrum registration time at 25 scans (resolution 4 cm-1), sec 30 The depth of penetration of radiation into the sample, microns 5 – 15 Minimum dimensions of the solid sample, mm 0.5 × 0.5 Minimum volume of the liquid under study, ml 1 Minimum dimensions of the fiber sample: cross-section diameter/length, mm 0.3/1 The material of the crystal substrate is DIAMOND The diameter of the free zone of the crystal, mm not less than 2 x 3 The diameter of the focus spot, mm 1.5 Maximum temperature With 220o Adjustment accuracy, With 1o Time to reach the maximum temperature, min 10 Overall dimensions, mm 130×200×90 Weight, kg 1,2
SIMEKS
Novosibirsk
Produced in: Novosibirsk
Silicone hose 8x2 with thermal insulation
Silicone hose 8x2 with thermal insulation
Silicone hose with thermal insulation and an internal diameter of 8 mm is used to connect the A160 and A300 circulation coolers with the W series thermostats or to external consumers.
Produced in: Tomsk
Microphone condenser capsule MK-234
Microphone condenser capsule MK-234
It is designed to measure sound pressure in the air and is used in noise measuring equipment as a measuring transducer of infrasound, sound and ultrasonic pressure.
VIBROPRIBOR
Yaroslavl
Produced in: Yaroslavl
AK-1000 Acoustic calibrator
AK-1000 Acoustic calibrator
characteristics The AK-1000 is recommended for use with OCTAVE-101A, OCTAVE-101AM, OCTAVE-110A, OCTAVE-110A-ECO, OCTAVE-121, OCTAPHONE-110, OCTAVE-201, ECOPHYSICS-110A sound meters. The AK-1000 can be used for calibration of acoustic measuring paths with VMK-205, MK-265, MR-201, M-201, MK-233 microphones, and other ½-inch microphones. technical specifications Reproducible ultrasound, dB (rel. 20 µPa): 94 and 114 The limits of the permissible basic error of the reproducible ultrasound, dB: ± 0.25 Limits of the permissible additional error of the ultrasound caused by a change in ambient temperature in the operating temperature range, dB: ± 0.08 Frequency of the reproduced sound pressure, Hz: 1000 Limits of the permissible basic relative error of reproduction of the sound pressure frequency, %: ± 0.7 Limits of the permissible additional relative error of the sound pressure frequency caused by a change in ambient temperature in the operating temperature range, %: ± 0.07 Coefficient of nonlinear distortion, %, not more than: 2.5 Weight (with batteries), kg, no more than: 0.250 Overall dimensions (length×diameter), mm, no more: 158×35 Operating conditions: - ambient temperature, ° C: from minus 10 to 50 - relative humidity (at 40 ° C), %, not more than: 90 - atmospheric pressure, kPa: from 65 to 108
Produced in: Moscow
KOIDZ-VD Sets of samples of artificial defects and gaps
KOIDZ-VD Sets of samples of artificial defects and gaps
from 0 ₽
KOIDZ-VD kits consist of samples of artificial defects (SAD) and samples of gaps (SG). Samples of artificial defects are made in the form of flat and curved plates and cylinders, on the working surfaces of which defects are made in the form of continuity violations like slits of various depths, opening widths and lengths. The working surfaces of flat SADs are two opposite surfaces on which longitudinal slits are cut by an electroerosion method The working surfaces of the SAD, reproducing a positive curved surface, are samples with a cylindrical surface. The working surface of the SAD reproducing negative curvature is the inner surface of the curved plate — the place of inflection. The KOIDZ-VD kit contains an SAD for determining the influence of various quantities. To determine the effect of the roughness of the working surfaces, the kit contains SADs with different roughness, on which defects of the same depth are made. To determine the effect of positive curvature and surface roughness, the kit contains cylindrical samples with different roughness of working surfaces on which defects of the same depth are made. To determine the simultaneous effect of negative curvature and surface roughness, the kit contains curved plates on which two defects of the same depth are cut, one of which is located on the flat, the other on the curved parts of the sample. To determine the effect of the chemical composition of the material of the controlled products, the kit contains samples of steel 10, steel 20 and steel 45. The same defects are made on each sample. To account for the influence of specific electrical conductivity, the kit contains samples from non-magnetic structural materials: aluminum alloy D16T and titanium alloy VT-23. The same defects are made on each sample. Gap samples are flat and curved plates of different thicknesses made of dielectric material. Technical specifications The range of nominal values of the depth of defects, mm: from 0.1 to 10. The limits of permissible error of the value of the depth of defects, mm: from ± 0.02 to ± 0.25. The range of nominal values of the width of the opening of defects, mm: from 0.03 to 0.15. The limits of the permissible error of the width of the opening of defects, mm: from ± 0.01 to ± 0.05. The range of nominal values of the length of defects, mm: from 6 to 100. The limits of permissible error of the value of the length of defects, mm: from ± 0.5 to ± 1. The range of nominal values of the thickness of the dielectric gap samples, mm: from 0.2 to 10. The limits of the permissible error of the thickness of the samples, mm: from ± 0.02 to ± 0.5. The range of nominal values of the radius of curvature of curved surfaces with defects, mm: - convex: from 13 to 510; - concave: 10.
Produced in: Moscow