| Technical Specifications | |
| Model | ER-500 |
| Measuring System | 8 channels |
| Analysis Mode | Cut-off, single and multi-standard, O.D., bichromatic, dynamic reading, etc |
| Linear Range | 0.001-3.500 Abs |
| Photometric Accuracy | ±1% or ±0.001 Abs |
| Repeatability | <±1.0% |
| Stability | <0.005 Abs |
| Linearity | <±1.0% |
| Sensitivity | ≤±0.010A |
| Channels Discrepancy | ≤±0.020A |
| Optical Filters | 405/450/492/630nm, 510nm、546nm、578nm、700nm are on request |
| Reading | Automatic focusing function makes the results more precise |
| Tray Shaking | Yes |
| Storage | 100 programs |
| Display | Touch screen |
| Interface | RS-232 serial port |
| Printer | Internal printer, external printer are available |
| Power Supply | AC 220V 50Hz or 110V 60 Hz |
| Dimensions | 46cm*33cm*18cm |
| Weight | 7.5kg |