The 7230G visible light spectrophotometer is a new generation of intelligent spectrophotometer with a microcomputer. It has strong control functions and data processing capabilities, and is equipped with printed outputs for scientific research in physics, chemistry, biology, pharmacology and other disciplines, or for quantitative analysis of various substances in laboratories of the chemical industry, food industry, pharmaceutical industry, metallurgical industry, clinical industry, and environmental protection departments.
2、 Characteristics:
1. Automatic zeroing, automatic full-scale adjustment, automatic establishment of linear equations, automatic switching between T, A, and C, and direct reading of concentration.
2. The sample room can accommodate 98mm colorimetric dishes, but an additional bracket is required.
3. Equipped with a convenient wavelength adjustment mechanism, there is no need to open the casing during adjustment.
4. The lamp source adopts a fixed voltage, and the sensitivity is automatically controlled by a microcomputer within the full wavelength range.
3、 Main technical specifications of 7230G visible light spectrophotometer:
| stray light |
≤ 0.6% T (measured with NaNO2 at 360nm) |
| monochromator |
Grating 1200/mm |
| stability |
Dark current drift: ≤ 0.2% T/5min Light current drift: ≤ 0.5% T/min |
| Spectral bandwidth |
5nm |
| Wavelength index |
Four digit LED digital display |
| wavelength range |
330nm~900nm |
| Wavelength readability |
±0.5nm |
| Wavelength accuracy |
±1nm |
| wavelength repeatability |
≤0.5nm |
| Transmittance range |
0.0%~1000%T |
| Range of absorbance |
-0.043A~1.999A |
| T-A conversion error |
±0.004(A) |
| Transmittance accuracy |
±0.5%T |
| Concentration display range |
0~9999C |
| Transmission density repeatability |
≤0.2%T |
| Transmittance accuracy |
±0.8%T |
| Print output method |
thermal printer |
| Range of absorbance display |
0.000~9999C |
4、 Other:
⑴ Operating environment: Environmental temperature: 50C~350C, relative humidity ≤ 85%; ⑵ Working power supply: 220V ± 22V/50HZ ± 1HZ;
⑶ Instrument size and weight: 530mmX360mm X160mm, 20Kg