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BioTek ELx808 Absorbance Microplate Reader (ELISA)

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Laboratory reader designed for absorbance measurement on 96-well plates, featuring 4-Zone incubation and Gen5 software for ELISA, protein quantification, and endotoxin testing applications.

Endpoint, kinetic, and linear scan reading modes on 96-well plates
4-Zone incubation: temperature control to 50°C with ±0.2°C precision at 37°C
Wavelength range 380-900 nm (340-900 nm for ELx808IU model)
Dynamic range 0-4.0 OD, resolution 0.001 OD
6-position filter wheel, 4 standard filters (5 with UV option)
Gen5 Reader Control Software with optional Gen5 Secure for 21 CFR Part 11 compliance

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Daha fazla detay

The BioTek ELx808 is an absorbance microplate reader supporting endpoint, kinetic, and linear scan reading modes for ELISA and other colorimetric assays. It operates with 96-well plates and measures across a wavelength range of 380-900 nm (340-900 nm for the ELx808IU model) through a tungsten-halogen light source and photodiode detector combination.

A key distinguishing feature is the advanced 4-Zone incubation system, engineered for temperature-sensitive assays, delivering temperature control up to 50°C with ±0.2°C precision at 37°C. This capability is critical for temperature-dependent kinetic applications such as endotoxin analysis and microbial growth experiments. The reader offers flexible wavelength selection with a 6-position filter wheel and 4 standard filters (5 with UV option).

Data acquisition and analysis are simplified through Gen5 Reader Control Software; Gen5 Secure option is available for 21 CFR Part 11 compliance. The device provides a dynamic range of 0-4.0 OD with 0.001 OD resolution and accuracy better than 1% at 2.5 OD. It is ideally suited for clinical and research laboratories seeking a reliable solution for ELISA, protein quantification, and kinetic assay workflows.

Technical Specifications

Detection mode	Absorbance
Reading methods	Endpoint, kinetic, linear scan
Microplate type	96-well plates
Temperature control	4-Zone incubation, up to 50°C; ±0.2°C at 37°C
Shaking	Linear
Software	Gen5 Reader Control Software (Gen5 Secure optional for 21 CFR Part 11)
Light source	Tungsten-halogen
Detector	Photodiode
Wavelength selection	Filters (6-position filter wheel, 4 standard, 5 with UV option)
Wavelength range	380-900 nm (ELx808IU: 340-900 nm)
Dynamic range	0 – 4.0 OD
Resolution	0.001 OD
OD accuracy	<1% (2.5 OD), <2% (3.5 OD)
OD linearity	<1% (2.5 OD)
OD repeatability	<0.5% (2.5 OD), <1.5% (3.5 OD)
Read speed (kinetic)	96 wells: 8 seconds
Path length correction	None
Power	100-240 Volt AC, 50/60 Hz
Weight	30 lbs (13.6 kg)
Regulatory	In Vitro Diagnostic use, CE and TÜV marked, RoHS compliant

Applications

ELISA assays (endpoint and kinetic)
Protein concentration quantification
Endotoxin analysis
Microbial growth experiments
Colorimetric and turbidimetric protocols

Frequently Asked Questions

What wavelength range does the ELx808 measure?

The standard ELx808 model operates in the 380-900 nm range; the UV version ELx808IU supports the 340-900 nm range.

Is the instrument suitable for temperature-sensitive assays?

Yes, the 4-Zone incubation system provides temperature control up to 50°C with ±0.2°C precision at 37°C, making it ideal for temperature-dependent assays such as endotoxin analysis.

What software controls the instrument?

The reader is controlled by Gen5 Reader Control Software; the Gen5 Secure option is available for laboratories requiring 21 CFR Part 11 compliance.