The Smartline UV/VIS detector 2550 combines the advantages of a spectro-photometer (such as high spectral resolution, high sensitivity and low drift values) with a high speed scanning technology for the simultaneous measurement of up to 4 channels. With a remarkable linear range, simultaneous determination of main analytes and impurities can be carried out without re-calibration. The 2550 comes with an installed deuterium lamp which covers a wavelength range from 190 to 750 nm. This detector can be controlled with OpenLab® EZChrom, ChromGate® and ClarityChrom® software, as well as from the front panel (stand-alone operation), via LAN, via RS-232, or through analog input/output; allowing it to be integrated into almost any LC system. Due to a smart design the flow cell is easily accessible and can be changed very quickly. You can choose between a wide range of flow cells for analytical or preparative LC applications with flow rates from 10 μl/min up to 10 l/min.
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| Detector type | Variable multiple wavelength UV/VIS detector |
|---|---|
| Detection channels | 4 |
| Light source | Deuterium (D²) lamp with integrated GLP chip |
| Wavelength range | 190 - 750 nm |
| Spectral bandwidth | 6 nm at Hα line (FWHM) |
| Wavelength accuracy | ± 2.0 nm (verification with integrated holmium oxide filter) |
| Wavelength precision | 0.4 nm (ASTM E275-93) |
| Noise | ± 0.75 x 10-5 AU at 254 nm (ASTM E1657-98) |
| Drift | 1.5 x 10-4 AU/h at 254 nm (ASTM E1657-98) |
| Linearity | > 2.2 AU at 270 nm (ASTM E1657-98) |
| Maximum data rate | 80 Hz (LAN) 1 channel/20 Hz (Analog) 1 channel/10 Hz (RS–232) 1 channel |
| Flow cell | Not included (see Accessories / Spare parts) |
| Time constants | 0.1 / 0.2 / 0.5 / 1.0 / 2.0 / 5.0 / 10.0 s |
| Integration time | Automatic |
| Inputs | Error (IN), Start (IN), Autozero, 0 - 10 V Analog IN |
|---|---|
| Outputs | Events 1 - 3, + 5 V, 24 V Value |
| Analog outputs | 2 x 0 - 5 V scalable, 20 bit, offset adjustable |
| Control | Digital: LAN-DHCP, RS-232, remote connector/Analog: wavelength control/Manual: front panel |
| Programming | Timed: wavelengths, events, fraction valve, links, wake up (program, link); /19 programs, 99 program lines |
| GLP | Detailed report including lamp recognition, operating hours, lamp(s) operating hours, /step motor operating hours, number of lamp ignitions |
|---|---|
| Display | LCD |
| Ambient conditions | Temperature range: 4 – 40 °C; 39.2 – 104 °F, Humidity: below 90 % noncondensing |
| Power supply | 100 – 240 V, 50 – 60 Hz, 75 W |
|---|---|
| Dimensions | 226 x 135 x 410 (W x H x D) |
| Weight | 6.0 kg |
| Note | Flow cells are not included and must be ordered separately (see Accessories / Spare parts) |
|---|
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0.5 mm path length, 3 µl, 1/16", 200 bar, stainless steel, classical KNAUER flow cell
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0.5 mm path length, 3 µl, 1/16", 100 bar, biocompatible, classical KNAUER flow cell
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Halogen lamp for upgrading Smartline UV detector 2550 to Smartline UV/VIS detector 2550
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KNAUER is known for the quality of its products and has been certified several times. We produce high-tech laboratory instruments for research, routine analysis and production.
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In addition, we have extended documentation about all our products, including CE Declarations of Conformity.
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