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