Hangzhou Qiwei Instrument Co., Ltd. is one of the leading manufacturers and suppliers of handheld whiteness meter in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk handheld whiteness meter in stock here from our factory. We also accept customized orders.
product key technologies

The Handheld Whiteness Meter is a portable, high-precision whiteness measuring instrument specially designed for quickly and accurately evaluating the surface whiteness of materials. Adopting advanced optical sensing technology and a digital processing system, it can real-timely measure the whiteness values of various materials such as paper, textiles, plastics, coatings and foodstuffs, assisting users in quality control and process optimization.
Lightweight in design and simple to operate, the device is equipped with a clear LCD screen and a user-friendly interface. It supports one-click measurement and data storage functions, meeting diverse demands for laboratory and on-site testing. Meanwhile, its handheld design ensures easy portability, making it ideal for rapid sampling inspection on production lines and improving work efficiency.
Product Advantages
● High-precision Measurement – Dual detection of blue whiteness and fluorescent whitening with reliable data.
● Portable & Lightweight – Weighs only 1.5KG with handheld design, convenient for on-site testing.
● Wide Application – Suitable for measuring paper, textiles, plastics, coatings and other materials.
● Easy Operation – Equipped with LCD display and intuitive interface for quick data reading.
● Strong Environmental Adaptability – Works stably at ambient temperature from +5℃ to +35℃ and humidity ≤85% RH.
● Efficient Data Management – Built-in storage supports quick data recording and export.
Main Technical Parameters
|
Product Name |
Handheld Whiteness Meter |
|
Model |
WSB-1Y |
|
Measuring Range |
0-199 |
|
Whiteness Formula |
Blue Whiteness WB=R475, Fluorescence whitening degree F |
|
Light Source |
LED light source |
|
Measuring Condition |
Complies with GB/T3978 Regulation 45/0 |
|
Displayer |
LCD displayer |
|
Measuring Aperture |
Φ15 |
|
Resolution Ratio |
0.01 |
|
Zero Drift |
≤0.2/10min |
|
Indication Drift |
≤0.3/3min |
|
Measurement Repeatability |
0.2 |
|
Environment Temperature |
+5℃ ~ +35℃ |
|
Relative Environmental Humidity |
≤85%RH |
|
Power Supply |
AC/DC dual-purpose |
|
Packaging |
Portable aluminum alloy packaging box |
|
Net Weight |
1.5KG |
Complete Packing List
1. Digital Fluorescent Whiteness Meter - 1 Unit
2. Accessories:
Working Standard White Plate - 1 Piece
Reference Standard White Plate - 1 Piece
Fluorescent Standard White Plate - 1 Piece
Black Calibration Tube - 1 Piece
Powder Sample Dish - 1 Piece
User Manual - 1 Copy
Certificate & Warranty Card - 1 Set
Powder Molder (Optional)
Our Services
1. Direct factory, Competitive price
We are manufacturer. Factory price.
2. Quality Control
We have a strict quality control system.
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