LMSP-UV1900 High-Accuracy UV-Vis Double-Beam Spectrophotometer

Description

Uv Vis Double Beam Spectrophotometer-LMSP-UV1900

SALIENT FEATURES

The innovative optical layout and state of art mono- chromator with high grade blazed holographic grating ensure  accuracy. Its integrated design assures long term stability  and durability The precisely aligned detector and quality deuterium and halogen lamps enhance the precision across the UV / Vis spectrum starting from 190 nm and into the near-infrared 1100nm The two detectors are used to measure sample and reference respectively and simultaneously for optimizing  measurement accuracy Lamp Selection  enables  conserving the life of D2 & Tungsten lamps. Real time clock for date & time stamping of results Big LCD display. (320 x 240 Dots Matrix) Basic Mode, Quantitative, Kinetics, Multi – Wavelength, Wavelength Scan, DNA / Protein Test &Utility

FUNCTIONS OF SOFTWARE

BASIC MODE To measure the Absorbance and Transmittance   QUANTITATIVE 1. Coefficient Method 2. Standard Method curve. Up to 10 standard samples may be used to establish a curve. Four methods to fitting a curve through the calibration points: Linear fit through zero, square fit & cubic fit.   WAVELENGTH SCAN 1. The wavelength scan intervals are 0.1, 0.2, 0.5, 1, 2 & 5 nm 2. Fast, Medium & Slow Scan speeds are available. They very from100 to     1800 nm/min 3. Wavelength are scanned from high to low so that the instrument waits at     high Wavelength and minimizes the degradation of UV sensitive samples   MULTI-WAVELENGTH Up to 32 wavelengths can be selected and multiple samples can be measured   KINETICS This mode may be used for time course scanning or reaction rate calculations. Abs. vs. time graphs is displayed on the screen in real time Wait time and measurement time up to 12 hours may be entered with time intervals of 0.5,1,2,5,10,30 seconds & 1min. Post- run manipulation includes re-scaling, curve tracking and selection of the part of the curve required for the rate calculation. Rate is calculated using a linear regression algorithm before multiplying by the entered factor   DNA/PROTEIN TEST Concentration and DNA purity are quickly and easily calculated: Absorbance ratio s 260nm/280nm with optional subtracted absorbance at 320nm. DNA concentration= 62.9x A260-36.0x A280 Protein concentration=1552xA260-757.3xA280   UTILITY Has following functions WL Reset, Printer, Lamp, Clock, Dark Current, Accu. Validity, WL Validity Connect to PC, Beeper On/Off & System Base Line

Microprocessor Double Beam

UV Visible Spectrophotometer

SPECIFICATIONS

Model LMSP-UV1900 LMSP-UV1900A LMSP-UV1900S LMSP-UV1900AS Make LABMAN Cell Holder 10mm single cuvette Holder 10mm 8cell Programable Holder 10mm single cuvette Holde 10mm 8 cell Programable Holder Bandwidth 1nm 0.5 /1.0/2.0/4.0 nm Variable Optical System Double Beam, Grating 1200 lines / mm Wavelength Range 190 – 1100nm Wavelength Accuracy + 0.3nm Wavelength Repeatability + 0.2nm Scanning Speed Fast, Medium & Low Photometric Accuracy +0.3%T Photometric Repeatability + 0.2%T Photometric Range -0.3-3A,0-200%T,0-9999C Stability + 0.001A/h @ 500nm Baseline Flatness & Noise +0.001A Stray Light <0.05%T @ 220nm,360nm Data Output Port USB Printer Port Parallel Port Display 320 x 240 Graphic LCD Lamps Deuterium  Lamp & Tungsten Halogen Lamp Detector Silicon Photodiode Power Supply AC 220V/50Hz Dimension 625 x 430 x 206 mm Weight 30 kg

INSTRUMENT INCLUDES: 4 Nos 10mm Glass cuvettes, one pair of quartz cuvette, Manual & Dust Covers.

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