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https://www.aliexpress.com/item/32875636850.html?spm=a2g0o.store_pc_groupList.8148356.2.56d044e1oDaXtH

https://www.aliexpress.com/item/32876120612.html?spm=a2g0o.store_pc_groupList.8148356.6.56d044e1oDaXtH

FAQ

1.4.Lead time for large order
5-10 days for ready to ship items, 15-25 days for customize production
2.6.How long do you offer for after-sells services
12 -24 months. We can also provide lifetime maintenance.
3.10.Can I buy a sample or small quantity
Yes, sure. Sample or small quantity is available.

Advantages

1.Have a production workshop of more than 2000 square meters, a complete production line, and a management technical team
2.Convenient transportation, close to Shanghai, welcome to visit the factory for negotiation
3.The problem is solved quickly and the after-sales service is guaranteed
4.Fast delivery speed, stable delivery time

About W&J

W&J Instrument is a professional manufacture and sales of various electronic balances, moisture analyzers, viscometers and laboratory instruments. After nearly 30 years of development, we have developed and produced various high-precision laboratory analytical balances with accuracy 0.1mg, 0.001g, 0.01g, etc.. We have passed ISO9001:2015 Quality Management System certification. In the past 3 decades of years, we have provided more than 300,000 laboratory precision analytical balances with excellent quality to more than 10,000 enterprises and institutions in the chemical, pharmaceutical, textile, food and colleges. We also provide customized electronic balances/ laboratory scales with special functions according to customer needs. With the development, we have introduced other series of laboratory instruments to the market, such as moisture analyzer, rotary viscometers, pH meters, etc. We are also the first company in China research and develop rapid moisture analyzer independently. At present, we are still committed to researching and developing at least one new product each year. Since the establishment of the international trading department in 2014, we have promoted our products to various regions around the world. Our products have been sold to more then 100 countries. And establish a long-term stable cooperative relationship with multiple customers, provide customers with solid and strong support. W&J Instrument has passed ISO, CE(Lvd), CE(EMC), ROHS certification.

Product Information

 Customized 340-1000nm Economic Visible Spectrophotometer manufacturers From China | W&J    

Company Advantages

The company independently develops and designs new products, and its technology is in a leading position in China. It has a rich product line, including analytical balances, laboratory balances, moisture analyzers, viscometers, acidity meters, etc.

Good product quality, reasonable price and high cost performance

The problem is solved quickly and the after-sales service is guaranteed

The company's independent research and development can provide customers with OEM services

Instrument model: 721

Wavelength range: 350-1000nm

Light Source: Tungsten Halogen Lamp 12V/20W (14546)

Spectral bandwidth: 5nm

Wavelength accuracy: ±3nm

Wavelength repeatability: ≤1nm

Wavelength Readout: 4 place LED digital display

Luminosity accuracy: ±0.5%T

Luminosity repeatability: 0.2%T

Stray light: 0.3T (at 360nm/420)

Photometric Range: 0-100%T, -0.097-2.000A, 0-1999C(0-1999F)

Photometric Accuracy: ±0.5%T

Power: AC110-220V, 50Hz±1Hz

Dimensions: 400*310*200mm

Weight: 6.5Kg


Instrument model: 722

Optical System: Single beam, 1200lines/mm ruled grating

Spectral Bandwidth: 4nm

Wavelength Range: 325—1020nm

Light Source: Tungsten Halogen Lamp 12V/20W (14546)

Wavelength  Accuracy: ±2.0nm

Reproducibility: ≤1nm

Wavelength Readout: 4 place LCD digital display

Stray Light: ≤0.3%(T) at 360nm/420nm

Photometric Range: 0-100%T, -0.097-2.000A, 0-1999C(0-1999F)

Photometric Accuracy: ±0.5%T

Photometric repeatability: 0.2%T

Absorbance range: -0.3-3.0A, 0-200%T

Detector: imported silicon photodiode

Power Requirement: AC110-220V, 50Hz±1Hz

Dimensions: 400*310*200mm

Gross Weight/Net Weight: 6kg/5.5Kg

Package size: 51X42X27cm

Instrument Packing List

1 One host of intelligent spectrophotometer

2 One power cord

3 High-performance matching glass cuvettes 1cm

4 Data package (operation manual, warranty card, product qualification certificate)

5 Dark current block (0%T)

6 4 pcs Corrosion-resistant 1 cm color frame

Optional: 4 pcs of 5 cm color frame

Basic Information
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Take advantage of our unrivaled knowledge and experience, we offer you the best customization service.

CONTACT US

If You Have More Questions, Write To Us

The first thing we do is meeting with our clients and talk through their goals on a future project. During this meeting, feel free to communicate your ideas and ask lots of questions.

Recommended
They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.

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