Spesifikasi Spektrofotometer UVmini-1240 di Laboratorium Kimia Farmasi UII

Hardware Specifications UVmini-1240

Item	UVmini-1240
Spectrum bandwidth	5nm
Wavelength range	190.0~1100.0nm
Display wavelength Selectable wavelength	0.1nm step 0.1nm step (1nm step in spectrum mode)
Wavelength accuracy	± 1.0nm
Wavelength repeatability	± 0.3nm
Scan speed	wavelength change: approximately 3800nm/min. Scan: approximately 24~1400nm/min
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
Stray light	less than 0.05% (220.0nm NaI, 340.0nm NaNO2 & UV-39)
Measurement method	Single beam measurement
Photometric range	Absorbance: -0.3~3.0 Abs Transmittance: 0.0~200%
Recording range	Absorbance: -3.99~3.99 Abs Transmittance: -399~399%
Photometric accuracy
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)
Noise level	less than 0.002 Abs, Peak to Peak less than 0.0005 Abs, RMS
Baseline correction	Auto correction with the computer memory
Light source	20W Halogen lamp (long-life 2000 hours) Deuterium lamp (socket type) Auto adjustment for maximum sensitivity
Monochromator	Incorporates aberration-correcting concave blazed holographic grating
Detector	Silicon photodiode
Sample compartment	Interior dimensions W110.0 X D230.0 X H105.0mm (partial depth: 155.0mm) 2 screw port for option accessory installation
Display	6 inch LCD (320 X 240 dot) with CFD lighting with contrast adjustment
Power supply	100~120V 50/60Hz 160VA 220~240V 50/60Hz 160VA
Dimensions	W416 X D379 X H274mm
Weight	11kg
Ambient temperature	15~35°C
Ambient humidity	5~80%, less than 70% if over 30°C

Software Specification

Photometric

·         Fixed wavelength measurement; T%, ABS

·         Quantitation with K-factor method

·         Save/Load of the result data table

·         Auto printout of measured data, Auto transfer via serial port

·         Optional cell positioners for continuous measurement of samples

Spectrum

·         Spectrum measurement
- Measuring mode: ABS, T%, E
- Scan Speed: Very fast, Fast, Medium, Slow, Very slow
- Scan times: 1~99
- Spectrum display: Selectable overlay or sequential

·         Data processing of spectrum data
- Detection of peak and valley (both up to 20)
- Zoom in and zoom out (only vertical axis can zoom out)
- Data read out with cursor keys
- Data save/load (Standard: 6, Data pack: 21)

·         Spectrum data transfer via serial port

·         Spectrum printout (A5 size, with ESC/P type printer

Quantitation

·         1 wavelength, 2 or 3 wavelength quantitation

·         Calibration curve
K factor method with auto concentration calculation One point calibration curve with auto concentration calculation Multi-point calibration curve
- Number of standards (2~10)
- Calibration curve: 1~3 order calibration curve
- Selection to pass or not pass on original point
- Spectrum display: Selectable overlay or sequential
Repeat measurement of standards (1-10 times) and creation of the calibration curve with the mean values of measurement data Display of the calibration curve Display of the correlation factor of the calibration curve

·         Quantitation measurement
Repetition (1~10 times) and the quantitation with the mean value

·         Save/load of the measured data table

·         Auto printout of the measured data, Auto transfer via serial port

·         Optional cell positioners for continuous measurement of samples