| TECHNICAL SPECIFICATIONS : | |
| Accuracy | ±0.02 o.d. |
| Reproducibility | ±0.01 o.d. |
| Stability | ±0.02 o.d. per hour |
| Filters Wavelength | 8 Filters400nm,420nm,480nm,500nm,520nm,540nm,620nm,680nm, |
| Light source | 6.8v, 0.3amp tungsten lamp/led |
| Key board | potentiometer adjustment |
| Amplifier | IC based |
| Detector | selenium photocell/photodiode |
| Warm- up time | 5 minutes. |
| Sample system tubes | 10 mm Dia matched glass test |
| Power source | 230v± 10% 50hz.ac |