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DW-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
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
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
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