The Automatic Smoothness Tester is a specialized instrument used to determine the smoothness of paper. It follows the international common Buick (Bekk) type smoothing instrument working principle design. The mechanical design of the instrument cancels the traditional lever aggravation hammer manually applied pressure structure. Instead, it innovatively uses cams and springs, along with synchronous motors automatically rotating loading standard pressure. This significantly reduces the instrument’s volume and weight.
The instrument features a 5-inch touch screen display with Chinese and English menus. Its interface is beautiful, friendly, and easy to operate, with one-key operation when testing. Additionally, the instrument can test and calculate the difference between two surfaces. It is equipped with advanced components such as high-precision sensors and an original imported oil-free vacuum pump.
The instrument can test, convert, adjust, display, memorize, and print the parameters included in the standard. It has strong data processing capability, which can directly produce the statistical results of each data. These data are stored in the main chip and can be viewed by touch screen operation. The instrument boasts advanced technology, complete functions, reliable performance, and easy operation. It is the ideal test equipment for paper making, packaging, scientific research, and product quality supervision and inspection industries and departments.
ISO 5627 “Paper and board – Determination of smoothness (Buick method)”
GB/T 456 “Determination of smoothness of paper and board (Bick method)”
Product Name
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RT-428 Paper Smoothness Tester
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Test range
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(1 to 15)s, (15 to 300)s, (300 to 9999)s
and automatic (not exceeding 200s)
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Timing accuracy
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Timing 1000s, the error does not exceed ±1s
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Vacuum container system volume
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Large vacuum container
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(380±1)ml
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Small vacuum container
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(38±1)ml
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Contact pressure
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(100±2)kPa
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Vacuum setting range
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Ⅰfiles
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(50.66~48.00)kPa
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Ⅱ files
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(50.66~48.00)kPa
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Ⅲ files
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(50.66~29.33)kPa
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Air leakage volume
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Large vacuum container
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(10.00±0.20)ml
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(50.66 kPa to 48.00 kPa)
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Small vacuum container
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(1.00±0.05)ml
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Dimensions (L ×W × H)
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325ⅹ290ⅹ430mm
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Machine weight
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About 45kg
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1. It adopts a cam and spring structure design. When measuring, the single-chip microcomputer automatically controls the synchronous motor to rotate the loading pressure and clamp the paper.
2, using a 5.0-inch large-screen color touch screen display, Chinese and English menus, real-time display of various data.
3. Two-face difference test: By selecting the two-face test mode, you can test and calculate the two faces of the same batch of samples.
4, fast measurement: optional “automatic gear” or small volume cavity measurement, “automatic” test, the measurement time will not exceed 200s, The measurement time of a small volume is only one tenth of a large volume, enabling rapid measurement.
5, high degree of automation: the instrument design uses advanced devices at home and abroad, single-chip microcomputer for information sensing, data processing and motion control and data memory.
6, data communication: by purchasing the company’s supporting PC software, the instrument can be connected to the computer through the USB cable for communication.
7, oil-free vacuum pump: It adopts imported vacuum pump and can work without adding vacuum pump.
8, good sealing: the use of foreign vacuum sealant and advanced sealing technology, so that the instrument sealing performance meets the requirements of national standards;
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