XT-48B Brightness Meter

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Paper, cardboard, plastic, pulp, salt, industrial salt； Starch, calcium carbonate, talcum powder and other powders.

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● Measure D65 brightness (R457 blue light whiteness)

● Measure the degree of fluorescent whitening produced by the emission of fluorescent substances (the sample contains fluorescent whitening agent)

● Measure opacity OP (customized), light scattering coefficient S, light absorption coefficient A, transparency (customized), ink absorption value

● Measure the brightness stimulus value Y10, which is the green diffuse reflection factor Ry

● Measure optical density-lead core concentration (customized small caliber)

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● Advanced circuit design effectively guarantees the accuracy and stability of the measurement data

● The instrument has a power-off protection function, and the calibration data will not be lost after power-off

● This instrument is equipped with standard RS232 interface, which can be used with PC software for communication (optional)

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GB/T 7973，GB/T 7974，GB/T 2679，GB/T 1543，GB/T 10339，GB/T 12911，GB/T 2913

GB/T 13025.2，GB/T 22427.6，ISO 2469，ISO 2470，ISO 2471，ISO 9416

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No.	Parameter item	Technical index
1	Power Supply	AC(100～240)V，(50/60)Hz，50W
2	Working Environment	Temperature(10~35)℃, Humidity≤ 85％
3	Display	128X32dot matrix LCD screen
4	Light source	Analog D65
5	Integrating sphere	Diameter 150mm
6	Sample Size	Test plate diameter ≥φ30mm while sample thickness≤40mm
7	Zero Drift	≤0.1
8	Indicating Drift	≤0.5
9	Repetitive Accuracy	≤0.1（10 consecutive tests at intervals of 10 seconds）
10	Specular Reflectance Accuracy	≤0.1
11	Communication Interface	RS232（optional）
12	Dimension	370×260×425 mm
13	Net Weight	12kg around