Metode of paškalibrēšana of an infrasarkanais termometrs
visvairāk svarīgi faktori for an infrasarkanais termometrs to nodrošināt temperatūra mērījums precizitāte ir the emissivity, the distance to the light spot, the position of the light spot, and the field of view. Laikā paškalibrēšana, the comparison of basic errors, the impact of changes in measurement distance, un the determination of the range of emissivity are completed. Before testing, the infrared termometrs is pielāgots to the labākais state and then used for on-site testing.
paškalibrēšana metode of infrasarkanais termometrs is as šādi:
Referring to the principles and practical work experience of blackbody furnaces, the comparison standard used in self-calibration is a self-made simple blackbody water tank with a size of 450mmx300mm, made from iron sheet, and equipped with an electric heater inside. Use a 1.5-level pressure thermometer with good stability (a certified glass liquid thermometer can be used instead) as a standard instrument to test the temperature in the water tank. Considering that it is necessary to measure the surface temperature of most organic materials, paints or oxidized surfaces, Apply black tape or flat black paint to the surface to be measured to compensate. When the black tape or black paint reaches the same temperature as the base material, measure the temperature of the tape or paint surface, which is the working experience of the true temperature. At the same time, consider the spot positioning test. Use an 80mmx80mm black tape and stick it on the liquid surface at the same depth as the pressure thermometer probe. After the water in the water tank boils for 5 minutes and the temperature field in the water tank is uniform, use the infrared tester to aim at the center point of the black tape. Comparison
Tehniskais prasības for infrasarkanais termometrs:
pamata kļūda of infrasarkanais termometrs un ietekme izmaiņu in mērījums attālums do not pārsniegt prasības in Tabula 1.
Kalibrēšana priekšmeti for infrasarkanais termometrs:
Balstīts uz on-site usage and practical experience, the kalibrācija projekts galvenokārt completes appearance inspection, noteikšana of basic errors, noteikšana noteikšana of the impact of changes in measurement distance, and noteikšana of the range of emissivity.
1) Izskats pārbaude, visas detaļas ir samontētas neskartas un bez defekti;
2) Rakstzīmes, atzīmes, un skalas vajadzētu būt pabeigts un skaidrs;
3) The appearance and parts should be well treated and free of rust and mildew;
4) If the "BAT" prompt appears, replace the battery in time;
5) Mērķis objektīvs un okulārs ir nav bojāts, un mērķis vajadzētu būt skaidrs. Ja vide ir putekļains, the objektīvs virsma vajadzētu jātīra, blow off the dust on the surface with clean air, or brush off the dust with the dust with a soft brush.
