DW-721G VIS Spectrophotometer, DRAWELL (CAT#: STEM-S-0013-CJ)

DW-721G VIS Spectrophotometer has been widely used in colleges and enterprises for general quantitative analysis and experiments based on absorbance measurements.

Photometry:Split Beam
Monochromator Type:Czerny-Turner
Focal Length:160mm
Grating:1200 lines/mm
Detector:Silicon Photocell
Spectrum Bandwidth:5nm
Wavelength Setting:Manual Turn Knob
Wavelength Range:340-1000nm
Wavelength Accuracy: ≤1nm
Stray Light:≤0.5%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, 130W
Packaging Size: 560mm X 490mm X 285mm 0.08M3 14kg

Sample compartment for 5-100mm cuvettes
Equipped with RS232 port
Precise automatic T/A changeover
Automatic zero and full-scale adjustment
Direct concentration read-out and concentration factor setting function
Software optional
High-quality silicon photometric diode detector and 1200 lines/mm diffraction grating ensure high-quality accuracy and precision.
Backlit LCD display for an easy readout.
Automatic 0A and 100%T.
Easy switching of transmittance, absorbance, and concentration modes, just by pressing one key.
Direct concentration read-out and concentration factor setting function.
Large sample compartment, for 5 – 100mm path length cuvettes with optional holders.
Easy to change the halogen lamp or deuterium lamp by the user himself.

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