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{"title":"Paint Paper Powder Whiteness Meter Light Leucometer Handheld Digital with","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/38\/ec1291d291a95a33672e38145283-200x200-1\/paint_paper_powder_whiteness_meter_light_leucometer_handheld_digital_with.jpg","attrs":{"Minimum Order Quantity":"2","Price":"144","Model NO.":"WM-206","Illumination Condition":"45\/0"}}
{"title":"WM-106 WM-206 LED 457nm Blue Light Whiteness Meter with RS-232 Data Output","imgUrl":"https:\/\/img.chinax.com\/nimg\/38\/ee\/e2c60375c70bc65ac674d69d5fe7-200x200-1\/wm_106_wm_206_led_457nm_blue_light_whiteness_meter_with_rs_232_data_output.jpg","attrs":{"Minimum Order Quantity":"2","Price":"US$155","Brand Name":"Bestone","Model Number":"WM-106,WM-206"}}
{"title":"WTM-1200 Wireless Window Tint Meter High Accuracy \u00b12% with LED Light Source","imgUrl":"https:\/\/img.chinax.com\/nimg\/92\/3e\/9f0b1649b783c02b44552e975fdd-200x200-1\/wtm_1200_wireless_window_tint_meter_high_accuracy_c2_b12_25_with_led_light_source.jpg","attrs":{"Minimum Order Quantity":"2","Price":"US$171","Brand Name":"Bestone","Model Number":"WTM-1200"}}
{"title":"PMD-101 Powder Whiteness Tester with Constant Pressure Powder Shaper","imgUrl":"https:\/\/img.chinax.com\/nimg\/ac\/e0\/ed8cb58adad560ed28caf3d27538-200x200-1\/pmd_101_powder_whiteness_tester_with_constant_pressure_powder_shaper.jpg","attrs":{"Brand Name":"Bestone","Model Number":"PMD-101","Certification":"CE","Place of Origin":"CHINA"}}
{"title":"WTM-1000 WTM-1100 Portable Window Tint Meter RS-232C Interface for Automotive","imgUrl":"https:\/\/img.chinax.com\/nimg\/3c\/19\/b1a814cbed7bfde2321bc60eeb6a-200x200-1\/wtm_1000_wtm_1100_portable_window_tint_meter_rs_232c_interface_for_automotive_glass_testing.jpg","attrs":{"Minimum Order Quantity":"2","Brand Name":"Bestone","Model Number":"WTM-1000, WTM1100","Certification":"CE"}}
{"title":"Window Tint Light Transmission Meter Portable WTM-1300 \u00b12% Accuracy 0~100% Range","imgUrl":"https:\/\/img.chinax.com\/nimg\/22\/e5\/918b377f7af2fe41608987371012-200x200-1\/window_tint_light_transmission_meter_portable_wtm_1300_c2_b12_25_accuracy_0_7e100_25_range.jpg","attrs":{"Minimum Order Quantity":"2","Price":"US$220","Brand Name":"Bestone","Model Number":"WTM-1300"}}
Applications: Whiteness Meter is mainly used to directly measure the whiteness value of object or powder with flat surface. Can be widely used in whiteness measurement of textile printing and dyeing, paint, chemical building materials, paper board, plastic products, white cement, ceramics, enamel, talc powder, starch, flour, salt, detergent, cosmetics and other substances. Principle: The instrument consists of Light Source, Optical System, Detection System, Data Process and Display System. The Whiteness Calculation Formula of the instrument is blue light whiteness R457. The light source of the instrument is long-life LED with 457nm, conforming to the light source requirement in the JJG 512-2002 National Metrological Whiteness Meter Verification Regulation. The measurement of the instrument adopts the principle of photoelectric effect. The diffuse reflectance Radiant Brightness Energy Value of the sample surface is receive by the optical cell. Then, the value is amplified by high-precision auto zeroing operation amplifier, inputted to the calibration circuit for energy calibration. Then, the whiteness value of the sample is directly shown on the display Features: * The optical path design is reasonable, simple. Adopt filter system with correction, the whiteness can be reflected quantitatively.
* Use of high quality imported components.
* No preheating after starting, measurements can be taken after simple calibration, easy to operate.
* Able to memory 254 groups of measurement data.
* Pass strict inspection and testing, the instrument conforms to the JJG 512-2002 Whiteness Meter Verification Regulation. Also conforms to GB3978, GB3979, GB7973, GB7974, ISO2470, GB8904.2, QB1840, GB2913, GB13025.2, GB1543, ISO2471, GB10339, GB5950, GB12911 and other standards.
* Use RS-232 data output to connect with PC.
* Provide Bluetooth data output choice. Specifications:
Range
0~120
Resolution
0.1
Illumination condition
45/0
Illuminant
LED 457 nm
Whiteness Formula
Blue Light Whiteness WB=R457
Measuring Aperture
18x11 mm rectangle
Zero Drift
≤0.1
Stability of Display
≤0.5
Repeatability of Measurement
≤0.1
Operating Condition
Temperature
0~40ºC
Humidity
<85 %RH
Power Supply
Lithium battery
Size
Main Unit
140x45x75 mm
Weight
305 g (Including Batteries)
Standard Accessories :
1. Main Unit
2.AC Adaptor
3. Standard White Board
4. Optical Cleaning Cotton Cloth
5. Carrying Case
6. Operation Manual
Optional Accessories:
1. Constant Pressure Powder Forming Apparatus
2. USB, RS-232C data cable with software
3. Bluetooth data out put with software Products details: