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
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
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pH/ORP Meter
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