Immersion viscometer VZ-246 AL P with primary verification and correction factor

Description:
The VZ-246 AL P viscometer is designed to measure the relative viscosity of paint and varnish materials, as well as other Newtonian or similar liquids. The device is used in accordance with GOST 9070-75 and is used to determine viscosity using the method of liquid flow through the nozzle.

Technical specifications:

Tank capacity: 100 ± 1 cm3 (ml)
Expiration time range: 12 - 300 seconds
Measurement error (not more than): 3%
Nozzle diameter:
2 mm ± 0.012mm
4 mm ± 0.015 mm
6 mm ± 0.015 mm
Nozzle height: 4 mm ± 0.015mm
Fluid expiration time range for different nozzle diameters:
For a 2 mm diameter nozzle: 70 - 300 seconds
For a nozzle with a diameter of 4 mm: 12 - 200 seconds
For a 6 mm diameter nozzle: 20 - 200 seconds
The limit of the value of the basic relative error in measuring the expiration time of the calibration fluid (industrial oil with a nominal kinetic viscosity from 200 to 500 mm/s): not more than ± 3% of the average arithmetic expiration time
Overall dimensions (with mounting): 290 x 170 x 87 mm
Weight: 0.62 kg
Scope of delivery:

The reservoir
Replaceable nozzles with diameters of 2, 4 and 6 mm
The handle is submersible
Thermometer
Level
Passport with a note on the initial verification
Purpose:
The VZ-246 AL P viscometer is used to accurately measure the viscosity of liquids in order to control the quality of paint and varnish materials and other similar products. It is an important tool in laboratories where viscosity assessment is required for further production control or the development of new formulations.

Viskozimetr haqida tez-tez so'raladigan savollar:

Viskozimetr nima va u nima uchun ishlatiladi? Viskozimetr-bu suyuqlik yoki pasta moddalarining yopishqoqligini o'lchash uchun mo'ljallangan asbob. Qurilish va laboratoriyalarda u beton aralashmalar va boshqa materiallarning mustahkamligini baholash uchun ishlatiladi, bu ularning sifati va ish faoliyatini nazorat qilishga yordam beradi.

Viskozimetr qanday ishlaydi? Viskozimetr teshik orqali harakatlanayotganda yoki suyuqlikdagi ma'lum bir element aylanayotganda suyuqlikning qarshiligini o'lchaydi. Bu qarshilik moddaning yopishqoqligining ko'rsatkichidir.

Viskozimetrlarning qanday turlari mavjud? Viskozimetrlarning bir nechta turlari mavjud, ular orasida rotatsion, kapillyar va yopishqoqlikni reaktiv o'lchash moslamalari mavjud. Har bir tur sinovdan o'tgan suyuqlik turiga va o'lchov aniqligi talablariga qarab ishlatiladi.

Viskozimetrni qanday to'g'ri ishlatish kerak? Viskozimetrni to'g'ri ishlatish uchun avval suyuqlik yoki aralashmaning namunasini tayyorlash, uni o'lchash kamerasiga joylashtirish va qurilmaning o'qilishini kuzatish kerak. Ba'zi viskozimetrlar ishlatishdan oldin maxsus kalibrlashni talab qiladi.

Viskozimetr yordamida qanday yopishqoqlikni o'lchash mumkin? Viskozimetr yopishqoqlikning keng doirasini o'lchashi mumkin — juda past (suvli eritmalar uchun) dan yuqori (qalin pastalar va beton kabi aralashmalar uchun). Asbob modeliga qarab, o'lchov oralig'i farq qilishi mumkin.

Viskozimetr o'lchovlarining aniqligiga nima ta'sir qiladi? O'lchovlarning aniqligiga harorat, namlik, o'lchash tezligi va namunaning bir xilligi kabi bir qancha omillar ta'sir qilishi mumkin. Ba'zi qurilmalar aniq natijalarga erishish uchun harorat sharoitlariga rioya qilishni talab qiladi.

Viskozimetrni qanchalik tez-tez kalibrlash kerak? O'lchovlarning aniqligini ta'minlash uchun viskozimetrni muntazam ravishda kalibrlash kerak. Kalibrlash chastotasi qurilmadan foydalanish intensivligiga bog'liq, ammo kalibrlashni yiliga kamida bir marta yoki asbob ko'rsatkichlarida sezilarli o'zgarishlardan so'ng amalga oshirish tavsiya etiladi.

Beton aralashmalarning yopishqoqligini o'lchash uchun viskozimetrdan foydalanish mumkinmi? Ha, viskozimetrlar beton aralashmalarning yopishqoqligini o'lchash uchun ishlatilishi mumkin, bu esa betonni yotqizishdan oldin uning mustahkamligi va zichligini nazorat qilish imkonini beradi. Bunday o'lchovlar qurilish materiallari sifatini nazorat qilish va ularning to'g'ri ishlashini ta'minlash uchun ayniqsa muhimdir.