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Name:	721N VIS Spectrophotometer

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 X 460mm X 345mm 0.1M³ 12.5kg

Standrad Accessories

● 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

● 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

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