Spectrophotometer

LABWAN Double Beam Microprocessor UV-VIS Spectrophotometer with Software LDMS-7004S

Model LDMS-7004S In Stock

The LDMS-7004S is a double-beam microprocessor UV-VIS spectrophotometer with a two-cell holder and software. It combines a blazed holographic grating optical system with wavelength scanning, quantitative analysis, DNA/protein testing and kinetics functions.

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Key Features

Double-beam optical system for reduced drift and compensation of blank changes
Low noise and low stray light
Large graphic LCD display capable of displaying curves
High-quality grating, detector and lamps
Real-time storage of data and curves
Automatic wavelength setting and auto blank
Individually switchable lamps
Pre-aligned lamps for easy replacement
Reinforced baseboard and bracket for durability
Photometric measurement
Quantitative analysis using standard curves
Wavelength scan / spectrum scan
Time scan / kinetics
DNA/Protein test

Specifications

Parameter	Value
Wavelength Range	190-1100nm
Spectral Bandwidth	1nm
Optical System	Double Beam, Blazed Holographic Grating (1200 lines/mm)
Wavelength Accuracy	±0.5nm
Wavelength Repeatability	≤0.2nm
Wavelength Setting	Auto, Resolution 0.1nm
Photometric Range	0~200%T, -4~4A, 0~9999C
Photometric Accuracy	±0.002 A (0~0.5A), ±0.003A (0.5~1A), ±0.3%T (0~100%T)
Photometric Repeatability	≤0.001 A (0~0.5A), ≤0.002A (0.5~1A), ≤0.2%T (0~100%T)
Stray Light	≤0.05%T (220/360nm)
Scan Speed	High, Medium, Low. Max. 2000nm/minute
Baseline Flatness	±0.0015A
Stability	±0.001A/h (500nm, 0A)
Noise	≤0.2%T/3min (250/500nm, 0%T); ≤0.5%T/3min (250/500nm, 100%T)
Sample Compartment	10mm Pathlength Cuvette
Detector	Silicon Photodiode
Lamps	Tungsten Lamp & Deuterium Lamp (Pre-aligned)
Display	Graphic LCD (320*240 Dots)
Keypad	30-key Alphanumeric Membrane Keypad
Output Port	USB Port
Printer	Mini Serial Printer; PC Printer
PC Software	UV Analyst Scanning Software
Power Requirements	AC 90-250V, 50/60Hz
Dimension	545x468x245mm
Weight	18kg
Standard Configuration	Glass Cell — 4 Nos., Quartz cells — 2 Nos., Instruments Cover — 1 No., Software CD — 1 No., USB Cable — 1 No., Operational Manual — 1 No., Software Manual — 1 No., Software key — 1 No.