721N VIS Spectrophotometer
721N VIS Spectrophotometer

721N VIS Spectrophotometer

Brand:NANBEI

Model:

Application:

product details

721N VIS Spectrophotometer

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Introduction

721N VIS Spectrophotometer has the holographic blazed grating monochromator has the advantages of high wavelength accuracy, good monochromaticity and low stray light.

Product Details

● 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

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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

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Specification

Specifications

721N

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:

00%(T)noise≤0.3%(T) , 0%(T)noise≤0.2%(T)

Power:

AC220V±22V 50Hz±1Hz, 80W

Packaging Size:

580mm X 460mm X 345mm 0.1M3 12.5kg

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