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{"title":"Digital Whiteness Meter R457 Blue Ray Whiteness Tester with 45\/0 Optical","imgUrl":"https:\/\/img.chinax.com\/nimg\/a0\/be\/ef98c20d2bb99a365ea2786d982e-200x200-1\/digital_whiteness_meter_r457_blue_ray_whiteness_tester_with_45_2f0_optical.jpg","attrs":{"Model Number":"YYP-011","Minimum Readout":"0.1","Minimum Order Quantity":"1","Delivery Time":"10 days"}}
{"title":"Conveyor Automatic Food Dynamic Checkweigher Machine With Rejector","imgUrl":"https:\/\/img.chinax.com\/nimg\/bf\/a3\/137770495229a83df5667a048ad9-200x200-1\/conveyor_automatic_food_dynamic_checkweigher_machine_with_rejector.jpg","attrs":{"Brand Name":"YUYANG","Model Number":"YYP038","Certification":"CE","Place of Origin":"China"}}
{"title":"Fully Automatic Bursting Strength Testing Machine , Paper Bursting Strength","imgUrl":"https:\/\/img.chinax.com\/nimg\/d8\/25\/566538aef4452e390070bcf884fd-200x200-1\/fully_automatic_bursting_strength_testing_machine_2c_paper_bursting_strength_tester.jpg","attrs":{"Brand Name":"YUYANG","Model Number":"YY1410","Certification":"JIS-L1004,L1018,L1031,K6328,P8131,P8112, ASTM-D2210,TAPPI T403,ISO2759-2001,GB\/T1539","Place of Origin":"China"}}
{"title":"Tear Resistant Paper Package Testing Equipment with Tearing Distance 43 \u00b1 0.5mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/28\/ec\/2b524938638f214ed21a1edb0df6-200x200-1\/tear_resistant_paper_package_testing_equipment_with_tearing_distance_43_c2_b1_0_5mm.jpg","attrs":{"Brand Name":"YUYANG","Model Number":"YY1402","Certification":"ISO 1974, GB\/T 10739, ISO 186, GB 455.1","Place of Origin":"China"}}
{"title":"Single Wing Carton Drop Test Equipment , Package Carton Box Drop Impact Testing","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/a3\/5c8ba9005936cef612acd20e7cf2-200x200-1\/single_wing_carton_drop_test_equipment_2c_package_carton_box_drop_impact_testing_machine.jpg","attrs":{"Brand Name":"YUYANG","Model Number":"YY1403","Certification":"ISO 22488","Place of Origin":"China"}}
{"title":"Carton Resist Compression Package Testing Equipment With Microcomputer Control","imgUrl":"https:\/\/img.chinax.com\/nimg\/c8\/3d\/2e6f04e1dd5b291d9a8756be7e82-200x200-1\/carton_resist_compression_package_testing_equipment_with_microcomputer_control.jpg","attrs":{"Brand Name":"YUYANG","Model Number":"YY1407","Certification":"GB\/T4857.4 GB\/T4857.16 ISO2872\u3001ASTM D642","Place of Origin":"China"}}
Digital Whiteness Meter R457 Brightness Opacity Tester
This electronic digital brightness/whiteness/opacity tester is designed for measuring non-colored surfaces of flat objects or white powders, providing accurate visual correlation. The instrument fully complies with international standards including ISO 2469 and relevant national and industry standards.
Key Features
Precisely matched integral filter for optimal spectrum conditions
Micro-computer controlled with automatic data processing and optional printer connectivity
Backup power system protects data during power outages or shutdowns
High-efficiency switching power supply with compact design and strong anti-interference capabilities
Touch-type keyboard for easy data input and configuration
Direct LED display for immediate measurement results
Measures ISO brightness (R457 blue light brightness) and fluorescent brightness
Determines transparency (T) and brightness stimulus (V10)
Measures opacity (0) with high precision
Technical Specifications
Compliant with ISO 2469 international standard d/o lighting observation geometry
150mm diameter integrating sphere with 32mm test hole diameter
Gloss absorber eliminates specular reflection from samples
R457 optical system: main peak wavelength 457nm, half-wave width 44nm
RY optical system matches CIE standard spectral power distribution of Y10 stimulus conditions D65/100
Compliant with JJG (Light) 48-90 "Reflection Photometer" specifications
Applications
Paper and cardboard manufacturing
Pulp and textile industries
Paint and coating quality control
Cotton fiber analysis
Ceramic materials and porcelain clay
Household chemicals
Flour and starch processing
Plastic raw materials
Various other materials requiring brightness and optical property determination
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2007
Total Annual:
$ 1 Million-$ 2 Million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
YUYANG INDUSTRIAL CO., LIMITED (DONGGUAN YUYANG INSTRUMENT CO.,LTD) is Located in Wangjiang District (Dongguan City ,Guangdong Province, China),a famous historical town with prosperous industry and convenient transportation.
We are a high-tech enterprise which is specialized in developing ... YUYANG INDUSTRIAL CO., LIMITED (DONGGUAN YUYANG INSTRUMENT CO.,LTD) is Located in Wangjiang District (Dongguan City ,Guangdong Province, China),a famous historical town with prosperous industry and convenient transportation.
We are a high-tech enterprise which is specialized in developing ...
