Hangzhou Qiwei Instrument Co., Ltd. is one of the leading manufacturers and suppliers of photographic dark box 4-use uv analyzer in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk photographic dark box 4-use uv analyzer in stock here from our factory. We also accept customized orders.
product key technologies

Introduction
The WFH-202BP photographic dark box 4-use UV analyzer is an advanced integrated analytical instrument that emits short-wave (254nm), medium-wave (302nm), long-wave (365nm) ultraviolet light and visible light. The fully enclosed dark box design provides a controlled light environment, allowing direct observation and analysis without a darkroom. Equipped with a camera-compatible structure, it supports image capture, data storage, and experimental record-keeping. With low power consumption, stable light output, and long service life, it is ideal for laboratory research and industrial quality control.
Application
This photographic dark box 4-use UV analyzer is widely used in molecular biology, biochemistry, pharmaceuticals, chemicals, textiles, food safety, and forensic science. It detects proteins, nucleotides, fluorescent substances, and toxins. It supports chromatographic analysis, drug testing, material identification, microbial detection, and forensic evidence analysis. The photographic function allows permanent recording of experimental results for comparison and archiving.

Structure
The instrument features a sealed dark chamber, multi-wavelength UV lamp assemblies, and professional filters. The anti-UV observation window protects users while enabling clear sample viewing. The camera-compatible design supports easy image recording for efficient data management.
Technical Parameter
|
Model |
WFH-202BP |
|
Ultraviolet Wavelength |
254nm 6W×2; 365nm 6W×1; 302nm 6W×1 |
|
Visible Light |
6W×1 |
|
Ultraviolet Color Filter |
200×90mm |
|
Size |
310×280×360mm |
|
Maximum Irradiation Area |
250×250mm (usable area) |
|
Power Supply |
AC 220V±10% 50Hz |
|
Weight |
7.2kg |
Note
1. Ultraviolet filter can not rub with metal objects, can not force, the surface should be kept dry and clean, after each use with a clean gauze wipe.
2. Operators should wear protective glasses to protect their eyes.
3. Irradiate the ultraviolet light on the sample and avoid ultraviolet radiation to the human body.
Maintenance Method
1. This instrument should be placed in a cool, dry, no dust and no acid, alkali, steam place, the instrument should be used in a clean environment. Do not pull down the power plug for a long time, and cover the protective cover ;
2. Don 't splash water and liquid on the instrument ;
3. If the glass placed on the light box is dirty, it can be wiped clean with alcohol cotton ball.
FAQ
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