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MORE HIGHLIGHTS
Small Errors
The Visible Spectrometer boasts high accuracy of measurement readings, good repeatability, and stability.
The error in measuring wavelength and transmittance is extremely small.
- Wavelength repeatability: ≤1 nm
- Maximum wavelength error: ± 2 nm
- Transmittance repeatability: ≤0.2% (T)
Backlit LCD Display
The backlit LCD display brings clear and crisp readings.
It plays a vital role in medicine, clinical examination, biochemistry, the petrochemical industry, environmental protection, and quality control.
- Clear readings
- Clinical examination
- Petrochemical industry
A Microcomputer Measurement System
T and A measurement methods make the operation easier. A microcomputer measurement system gives T-A conversion accuracy, automatic 0% (T), and 100% (T) adjustment.
You can directly read the density, set the concentration factor. Optional serial data printer is for data printing.
- T and A measurement
- Optional serial data printer
- Automatic
Holographic Blazed Grating Monochromator
The holographic blazed grating C-T monochromator ensures good monochromaticity, high wavelength accuracy, and less stray light.
- Stray light: ≤0.2% (T)
- Maximum transmittance error: ± 0.6% (T)
- Good monochromaticity
SHIPPING & FAQ
Standard Shipping:
Order now, then we will ship your spectrophotometer by sea / by train
Arrives at US / Canada about 35-50 Working Days(After shipment)
Arrives at the UK about 40-55 Working Days (After shipment)
Arrives at Europe about 60-70 Working Days (After shipment)
Air Shipping:
Order now, then we will ship your spectrophotometer by air
Arrives at the US about 7-15 Working Days (After shipment)
Arrives at Europe, Canada about 15-20 Working Days (After shipment)
Arrives at Asian countries about 7-15 Working Days (After shipment)
* We will update the delivery time in real-time according to the feedback of the logistics company.
Q: What is the shipping date?
We will ship out the spectrophotometer within two working days. (We will update the spectrophotometer’s tracking number several days later.)
Q: May I modify my order after placing the spectrophotometer?
Yep! Please get in touch with us within 1 hour after purchase. However, we cannot assure you that we will change the order successfully as it is difficult to modify the order once sent to the factory.
Q: Can I modify my address after the order has been shipped?
Please get in touch with us at SERVICE@LUMBUY.COM. Then we will always do our best to assist but do not make any guarantees. Sometimes it is too late, and the courier no longer allows the change. If there is an additional charge for changing the address, we will notify the customer before deciding to change if they want to proceed. The customer will be responsible for any additional fee incurred.
Q: Will you send me a tracking number?
Yep! You will receive an email with a tracking number after shipment.
Q: How can I get support when the spectrophotometer has a problem?
Please get in touch with us by email: SERVICE@LUMBUY.COM. And attach pictures or videos of spectrophotometer problems in the email. We will reply as soon as possible.
WHY CHOOSE LUMBUY?
LumBuy spectrophotometers focus on quality, timeliness, and price. Professional pre-sale and after-sales service are never out of reach. Whether you are a green hand or an experienced user, you can choose a spectrophotometer that suits you. LumBuy has become partners with multiple brands at the same time so that you can buy spectrophotometers with confidence. All LumBuy spectrophotometers are perfect as a spectrophotometer is excellent to accompany.
- Shipping Fast: The best options for you – Standard Shipping or Air Shipping
- Excellent After-Service: To contact our customer service department anytime
| Brand Name | YunlinLi |
|---|---|
| Certification | CE |
| Origin | CN(Origin) |
| Size | 500 * 350 * 190 mm |
| Model Number | 721 |
| Focal Length | / |
| Weight | 9 |
| Wavelength Range | 330 – 1020 nm |
| Type | Single Beam Spectrometers |
| Measurement Range | 330 – 1020 nm |
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