Benchtop 721 Lab Digital Vis-Spectrophotometer

• After-sales Service: on Line Service
• Application: Photometric Measurement
• Warranty: > 1Year
• Detection Method: Spectrophotometer
• Advantage: High Accuracy
• Principle: New Spectrometer
• Model NO.: 721N
• Wavelengths: Visible Spectrometer
• Dispersive Element: Grating Spectrometer
• Light Number: Polychromator
• Certification: ISO9001, CE
• Customized: Customized
• Product Name: Benchtop 721722(N) Lab Digital Vis-Spectrophotomet
• Model: 721n
• Optical System: Single Beam, C-T Type, 1200 Lines/mm Grating
• Spectral Bandwidth: 5nm
• Wavelength Accuracy: +-1.0%T
• Wavelength Repeatability: 0.5%T
• Stray Light: <=0.5%T(360nm)
• Transport Package: Wooden Case
• Specification: 385/330/185(mm)
• Trademark: Nanbei
• Origin: China
• HS Code: 9027300000
• Production Capacity: 300pieces/Month

Product Description

Product Description

Optical and Electric System Single Beam UV Vis Spectrophotometer with Low Stray Light

Usage and Application:

1.High Vis performance between 335 and 1000 nm. Specially designed for industry and labs.
2.High accuracy with digital wavelength display. Automatic 0%(T) and 100%(T)calibration.
3.Display of concentration data function.

Feature and Description:

1. High quality silicon phoyometric diode detector and 1200 lines/mm diffraction grating ensure the high quality accuracy and precision.
2. Backlit LCD display for an easy readout.
3. Automatic 0A and 100%T.
4. Easy switching of transmittance, absorbance and concentration modes, just by pressing one key.
5. Direct concentration read-out and concentration factor setting function.
6. Large sample compartment, for 5-100mm path length cuvettes with optional holders.
7. Easy to change the halogen lamp or de*uterium lamp bythe user himself.

Detailed Photos

Product Parameters

Model	721N
Optical System	Single beam, C-T type, 1200 lines/mm grating
Detector	Silicon photo diode
Light Source	Tungsten lamp (socket type, 20W / 12V, 2000h)
Spectral Bandwidth	5nm
Wavelength Range	Setting Wavelength:332~1003nm;
Measuring Wavelength	335~1000nm
Wavelength Accuracy	±2nm
Wavelength Repeatability	1nm
Stray Light	≤0.5%T(360nm)
Photometric Range	T:0~199.9% ,A:-0.3~2.5Abs,F:0~9999,C:0~9999
Photometric Accuracy	±1.0%T
Photometric Repeatability	0.5%T
Stability	≤0.5%T/5min
Power Requirement	220V±10% 50Hz 45VA
Actual Dimensions	385×330×185(mm)
Gross Weight	10kg

Related Products

Photometry	Split Beam
Monochromator Type	Czerny-Turner
Focal Length	160mm
Grating	1200 lines/mm
Detector	Silicon Photocell
Spectrum Bandwidth	2nm
Wavelength Setting	7-inch color touch-screen
Wavelength Range	190-1100nm
Wavelength Accuracy	±1nm
Wavelength Repeatability	≤0.5nm
Stray Light	≤0.1%T( at 220nm NaI, 360nm NaNo2 )
Photometric Range	0.0-200.0% T
	-0.301-4.000 A
	0.000-9999 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≤0.2%(T) , 0%(T)noise≤0.1%(T)
Power	AC220V±22V 50Hz±1Hz, 180W
Packaging Size	630mm X 535mm X 405mm 0.14M3 21kg

Metering mode	single beam
Monochromator	self-collimation
Focal length	160mm
Grating	1200 lines / mm
Detector	photocell
Spectral bandwidth	4nm
Wavelength setting	Touch screen input
Wavelength range	325-1100nm
Wavelength Accuracy	± 1nm
Wavelength repeatability	≤0.5nm
Wavelength scanning speed	fast, medium and slow
stray light	≤ 0.1% (T) (measured at Na at 300 nm)

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	325-1100nm
Wavelength Accuracy	±2nm
Wavelength Repeatability	≤1nm
Scanning Speed	Fast-Medium-Slow
Stray Light	≤0.1%T( at 360nm NaNo2 )
Photometric Range	0.0-200.0% T/-0.097-4.000 A/0.000-9999 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, 120W
Packaging Size	580mm X 460mm X 345mm 0.1M3 16.5kg

 

 

Packaging & Shipping

 

Company Profile

Certifications

FAQ

1. How can I choose the suitable one?

Dear customer, please tell us your detailed requirements by mail or online, we will recommend the suitable one as your request.
2. Does your price is competitive?
Dear customer, we make sure to offer you the best quality with competitive price.
3. How can I pay?
Dear customer, we accept many payment term, such as T/T, Western Union…
4. When I receive it after pay?
Dear customer, normal models can be delivered with 5-7days, please contact us to check transport time to your address.
5. How to deliver?
Dear customer, we can send by Express, by Sea and by Air.
6. Is will be broken during transport?
Dear customer, please do not worry, we do standard export package.
7. What should I do if I do not know how to use?
Dear customer, please do not worry, manual user will be sent together, you can also contact us with more technological support.
8. What should I do if some parts broken?
Dear customer, please do not worry, we have 12months warranty except  wear parts. You can also buy parts from us after 12months.

Pre-sale service
· 24hours online to ensure quick response to customers' inquiry or online message;
· Guide customers to choose the best suitable machine model;
· Offer detailed specification and competitive prices;
Contract execution
· Machine production will be arranged strictly according to the contract;
· Machine photos will be sent to you for inspection during production;
· Send customs clearance documents by DHL;
· Update latest news after delivery and prepare customs clearance;
After-sale service
· 12 months warranty except for wear parts;
· Broken spare parts (except for wear parts) will be sent for free due to quality problems;
· In time response to customers technical problems;
· New products update for customers' reference.