| Item | Specification |
| Wavelength Range | 190-600 nm in 1 nm increments. No lamp change required |
| Wavelength Accuracy | + 2 nm |
| Wavelength Repeatability | +0.05 nm |
| Spectral Bandwidth | 4 nm |
| Noise | 5 x 10-5 AU (peak-to-peak dry cell) at 230 nm and a1 second time constant |
| Drift | 2.5x 10-4 AU/hr with ambient temperature change 1°C.hr |
| Attenuation Range | 0.001 to 2.0 UFS |
| Linear Dynamic Range | 8.7 x 103 at 214 nm; 1.2x 104 at 254 nm (ASTM E685) |
| Time Constants | 0.1 to 99 sec |
| Scan Rate | Up to 10 increments/sec; increments variable from 1 to 50 nm |
| Wavelength Switching Time | 0.1 sec |
| Wavelength programming | 8 wavelength changes/channel |
| Attenuation Programming | 8 changes/channel |
| Event Outputs | 8 |
| Event Programming | On, off, pulse, repetitive pulse |
| Event inputs | 4 |
| External power supply | 12 V at 0.5 A |
| Auto zero | Activated by wavelength change, event input, time program or front panel |
| Analog Outputs | 4 independent channels |
| Refractive Index correction | TAPER-CELL Design |
| Brandspreading | 10µL |
| Path length | 10 mm |
| Materials | 316ss, Teflon, Suprasil |
| Cell pressure limit | 1000 psig |
| Light source | Xenon stobe lamp |
This refurbished Waters 490 Programmable Multiwavelength Detector is really in great condition and is tested at SpectraLab Scientific.
A 90 day warranty is included. Multiple available.
We have special expertise on analytical equipment. We encourage you to contact us to speak with one of our expert and professional team members.
Thanks for looking and we look forward to hearing from you!
