Description
Production Description
LH-EU2800D/LH-EU2800DA/LH-EU2800DS Spectrophotometer are advanced double beam optical system. Double beam optical structure can inhibit the drift, Suitable for long time test. LH-EU2800D with 1.8nm fixed bandwidth, LH-EU2800DA with 1.0nm fixed bandwidth, LH-EU2800DS with optional bandwidth. They are suitable for research, biochemical and pharmaceutical lab applications.
Features
Double beam ensure low drift, low noise and Low stray light
High speed MCU, high precision AD, large storage capacity
Large LCD display (320*240 Dots)
1.0nm or variable Bandwidth meet Pharmacopoeia
Data and Curve can be stored in real-time
Online software upgrade capability
Lamps can be turned on/off individually
Easy to change Pri-aligned lamps
Reinforced baseboard and bracket assures durability
Function
Photometric
Quantitative(Standard Curve)
WL Scan(Spectrum Scan)
Time Scan(Kinetics)
DNA/Protein Test
Multi-WL Test
System Utility
Specifications
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Model |
LH-EU2800D |
LH-EU2800DA |
LH-EU2800DS |
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Wavelength Range |
190-1100nm |
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Spectral Bandwidth |
1.8nm |
1.0nm |
0.5/1/2/4/5nm Variable |
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Optical System |
Double Beam , Blazed Holographic Grating (1200 lines/mm) |
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Wavelength Accuracy |
±0.3nm |
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Wavelength Repeatability |
≤0.2nm |
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Wavelength Setting |
Auto, Resolution 0.1nm |
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Photometric Range |
0~200%T, -0.3~3A, 0~9999C |
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Photometric Accuracy |
±0.002A (0~0.5A), ±0.003A (0.5~1A), ±0.3%T (0~100%T) |
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Photometric Repeatability |
≤0.001A (0~0.5A), ≤0.002A (0.5~1A), ≤0.2%T (0~100%T) |
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Stray Light |
≤0.05%T(220/360nm) |
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Scan Speed |
High, Medium, Low. Max.2000nm/minute |
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Baseline Flatness |
±0.001A |
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Stability |
±0.001A/h (500nm,0A) |
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Noise |
≤0.2%T/3min (250/500nm,0%T); ≤0.3%T/3min (250/500nm,100%T) |
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Sample Compartment |
Accommodate 5-100mm Pathlength Cuvette |
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Detector |
Silicon Photodiode |
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Lamps |
Tungsten Lamp & Deuterium Lamp (Pre-aligned) |
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Display |
Graphic LCD (320*240 Dots) |
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Keypad |
30-key Alphanumeric Membrance Keypad |
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Output Port |
USB Port & RS232 Port |
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Printer |
Mini Serial Printer; PC Printer |
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PC Software |
PC Scanning Software |
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Power Requirements |
AC 90-250V，50/60Hz |
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Dimension |
545x468x245mm |
545x468x245mm |
635x515x255mm |
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Weight |
18kg |
18kg |
25kg |
