Audited Supplier
721N laboratory high precision Digital VIS Spectrophotometer Portable Vis Spectrophotometer721N VIS Spectrophotometer
721N VIS Spectrophotometer has the holographic blazed grating monochromator has the advantages of high wavelength accuracy, good monochromaticity and low stray light.
Linear regression method and coefficient method are added to the concentration test method. USB interface is added, and large capacity memory can store 30 concentration curves.
Adopt microcomputer measurement system, with high conversion accuracy of T-A, automatic adjustment of
0% T and 100% T, concentration factor setting and concentration direct reading.
High accuracy, Good Reproducibility and Stability of Measurement Readings.
Automatic light gate technology, No need blackbody, to protect the photoelectric sensor
Main Features
Sample compartment for 5-50mm cuvettes
Precise automatic T/A changeover
Automatic zero and full scale adjustment
Equipped with USB port
Direct concentration read-out and concentration factor setting function
Automatic light gate technology to protect photoelectric sensors
Specificatons:
| Photometry | Split Beam |
| Monochromator Type | Czerny-Turner |
| Focal Length | 160mm |
| Grating | 1200 lines/mm |
| Detector | Silicon Photocell |
| Spectrum Bandwidth | 2nm |
| Wavelength Setting | Manual Turn Knob |
| Wavelength Range | 340-1100nm |
| Wavelength Accuracy | ±2nm |
| Wavelength Repeatability | ≤1nm |
| Scanning Speed | Fast-Medium-Slow |
| Stray Light | ≤0.1%T( at 360nm NaNo2 ) |
| Photometric Range | 0.0-100.0% T 0.000-1.999 A 0.000-1999 C |
| Photometric Accuracy | ±0.5% T ±0.004 Abs (0-0.5A) ±0.008 Abs (0.5-1A) |
| Photometric Repeatability | ≤0.2% T 0.002 Abs (0-0.5A) 0.004 Abs (0.5-1A) |
| Noise | 100%(T)noise≤0.3%(T) , 0%(T)noise≤0.2%(T) |
| Power | AC220V±22V 50Hz±1Hz, 80W |
| Packaging Size | 580mm*460mm*345mm 0.1M3 12.5kg |
Operation manual 1
UV WIN7 Spectrum data processing software
Glass cuvette 1cm 4pcs
Power cable 1
Fuse 2pcs
Cuvette holder 10mm
Optional Accessories
Thermal Plotter
Cuvette holder 50mm
Over the past 20 years, it has exported products to more than 100 countries in the world. It is one of the largest and most comprehensive instrument manufacturers in China. Our products are sold to Asia, Africa, Antarctica, South America, North America, Europe, and Oceania.
Customer feedback:
Professional Factory
LABONE 22 year's focus on chemical machinery industry, 9 years of export in chemical industry, professional, dedicated and persistent.
Special Customized
One-to-one professional customization is available, and we will recommend it to you based on the size of the factory and the size of the output.
Delivery speed
Samples are produced in three days and shipped in seven days, shortening the delivery cycle.
Quality Control
All materials are made of high-quality materials that have passed national quality inspection and are safe and reliable.
After sales service
All products of LABONE are guaranteed for one year, lifelong maintenance, 24 hours after sales technical support and service hotline.
Q1: Why Choose LABONE?
(1).Professional export company with more than 7 years experience
(2).Exported to more than 90% Countries
(3).Turnkey Solution is no problem
Q2: Is OEM,ODM service available?
Most of the products are available for OEM customization.
Q3:What's kind of Payment terms for customer choosing?
T/T ,Western Union, Money Gram , Credit Card, Paypal , L/C ...
Q4:Can online video inspection before shipment?
Absolutely no problem
Q5: what's the MOQ ?
MOQ: MOQ can accept 1set
Q6:What's kind of shipment for customer choosing?
Transported by DHL, UPS, EMS, Fedex, Air freight. sea freight.
We can also provide reasonable solutions according to your transportation requirements
Q7: After-sale service:
1 year warranty for all kinds of products;
If you find any defective accessories first time, we will give you the new parts for free to replace in the next order, as an experienced manufacturer, you can rest assured of the quality and after-sales service.
