DW-722G VIS Spectrophotometer

DW-722G VIS Spectrophotometer has been widely used in colleges and enterprises for general quantitative analysis and experiments based on absorbance measurements.

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.

Description

Main Features of DW-722G VIS Spectrophotometer

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

Standard Accessories
● Operation manual 1pc
● UV WIN7 software 1pc
● Glass cuvette 10mm 4pcs
● Power cable 1pc
● Fuse 2pcs
● Cuvette holder 50mm 1pc

Optional Accessories
● Cuvette holder 100mm
● Cuvette 20mm 30mm 50mm 100mm

Specifications of the DW-722G

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	325-1000nm
Wavelength Accuracy	±2nm
Wavelength Repeatability	≤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