Shimadzu - UVmini-1240
Manufactured by Shimadzu
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UV-VIS Spectrophotometers(UV-VIS) UVmini-1240
The large liquid-crystal display (LCD) has been incorporated with easy to follow prompts, large fonts, and graphics to help reduce the time needed to get your results. The description on the instruments' soft keypad quickly guides you through specific programs.
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Features of UVmini-1240
- Mighty Performance with Quantitative Methods Everything from simple concentration measurements up to sophisticated quantitative calibration curves. The standard functions include calculations such as Factor method for input of simple constants, one point calibration curve with one standard sample and a point through the origin, multi-point calibration curve of the application requiring various standards. 1st, 2nd, and 3rd order polynomial fitting for calibration come standard. Two or Three wavelength quantitative analysis for measuring turbid samples or for measuring the effects of another distinguishable component.
- Maximum Wavelength Scanning The UV Mini comes standard with a Spectrum mode that allows for full spectral data acquisition over the wavelength range of 190 nm to 1100 nm. Upon completion of the spectral scan, the peaks and valleys can be marked within a few seconds. The standard peak pick function allows for clear and accurate detection of the most sensitive wavelengths.
- Mega Data Archiving Capabilities Methods, results and raw data can be saved on either the standalone instrument, optional dedicated IC Data cards, or within a directory of an IBM-Compatible PC with the help of the optional NEW UV DATA MANAGER software. This provides unlimited storage and expanded capabilities in archiving methods and management of essential results.
- Multiple Print Utilities The UVmini provides flexible print options with the use of either a thermal screen copy printer or a variety of different PC printers. The screen copy printer enables instant printing of tabulated data, as well as copied information directly from the screen. The PC printers can be utilized for the same functions and for finer print resolution of spectral data.
- Mini Effort to Customize With over 35 different types of attachments including multicell positioners, sippers, temperature control devices, the UVmini can provide all the tools necessary to fit your specific application. The IC program cards quickly expand the functionality of the instrument. By simply inserting the appropriate IC card into the slot on the front panel, dedicated applications such as DNA/Protein analysis can now be performed.
General Specifications
| Bandwidth | 5nm |
| Depth | 379 mm |
| Height | 274 mm |
| Width | 416 mm |
| Power Requirements | 100-120V 50/60Hz; 220-240V 50/60Hz |
| Peak Power | 160 VA |
| Photometric Range | Absorbance: -0.3-3.0 Abs Transmittance: 0.0-200% |
| Wavelength Range | 190 to 1100 nm |
| Scanning Speed | wavelength change: approximately 3800nm/min. Scan: approximately 24-1400nm/min |
| Light Source | 20W Halogen lamp (long-life 2000 hours) Deuterium lamp (socket type) Auto adjustment for maximum sensitivity |
| Photodetector | Photomultiplier |
| Photometric Noise | less than 0.002 Abs, Peak to Peak less than 0.0005 Abs, RMS |
| Stray Light | less than 0.05% |
Additional Specifications
Wavelength accuracy: ± 1.0nm
Wavelength repeatability: ± 0.3nm
Light source change: Selectable from following 3 types;
- Auto change with wavelength Selectable wavelength295nm~364nm : 1nm interval Recommended wavelength: 340nm
- Halogen lamp (WI) only
- Deuterium (D2) lamp only
(220.0nm NaI, 340.0nm NaNO2 & UV-39)
Measurement method: Single beam measurement
Recording range: Absorbance: -3.99~3.99
Abs Transmittance: -399~399%
Photometric accuracy:
± 0.005 Abs (at 1.0 Abs) } NIST 930D filter
± 0.003 Abs (at 0.5 Abs)
Photometric repeatability: ± 0.002 Abs (at 1.0 Abs)
Baseline stability: less than ± 0.001 Abs/h (after 2 hr warm-up)
Baseline flatness: less than ± 0.010 Abs
(after 1 hr warm-up, at 1100~200nm)
Baseline correction: Auto correction with the computer memory
Monochromator: Incorporates aberration-correcting concave blazed holographic grating
Sample compartment: Interior dimensions W110.0 X D230.0 X H105.0mm
(partial depth: 155.0mm)
Ambient temperature: 15~35°C
Ambient humidity: 5~80%, less than 70% if over 30°C