Biotek ELx800 Microplate Reader

This listing is for the Biotek ELx800

The unit is in full working condition and is ready for immediate use

The BioTek ELx800 is a single‑channel, filter‑based absorbance microplate reader widely utilized in clinical, biotech, and research labs. Here's a concise rundown of its key specifications and capabilities:

Core Features

Detection Mode: Absorbance only (UV‑Vis).

Wavelength range of 400–750 nm for standard models; extended range of 340–750 nm for the UV model

Filter Setup: Comes with 4 filters (typically 405, 450, 490, 630 nm) plus an empty slot; UV version includes a 340 nm filter

Plate Formats: Supports 6‑, 12‑, 24‑, 48‑, and 96‑well plates; optional NB version supports 384‑well and Terasaki formats

Read Modes: Endpoint, kinetic, and well‑area scanning—controlled either via onboard programming or PC software

Onboard Capabilities: Offers 55 user‑definable protocols, curve‑fitting options (e.g. linear, cubic, 4‑parametric, spline), cutoff criteria, and more

Performance Specifications

Dynamic Range & Resolution: 0 to ~3.0 OD with a resolution of ~0.001 OD

Accuracy, Linearity, Repeatability:

Normal mode at 405 nm: ±1.0% ±0.010 OD (0–2 OD); linearity ±1%; repeatability ±0.5% ±0.005 OD

Rapid mode at 405 nm: ±2.0% ±0.020 OD (0–2 OD); linearity ±2%; repeatability ±1% ±0.010 OD

Reading Speed: ~30 seconds for a 96‑well plate in rapid mode; ~50 seconds in normal mode

Hardware Specs:

Light Source: Tungsten halogen lamp

Filter Wheel Capacity: 5 positions

Compact size (~16.5″ D × 15″ W × 7″ H or 42 × 38 × 18 cm), weight ~18.5 lb (8 kg)

Power: 100–240 V, 50/60 Hz

Optional Enhancements & Models

ELx800UV: Extended UV detection down to 340 nm; includes additional filter and broader applications