The Opentrons Flex Absorbance Plate Reader Module is a fully automated solution for absorbance-based assays. Capable of detecting absorbance in the 400-1000 nm range, it is optimized for a broad array of applications, including protein quantification, sample normalization, cell viability assays, and bacterial growth monitoring.
This module facilitates complete walkaway automation, enabling high-throughput data collection with no manual intervention. Paired with the Opentrons Flex Gripper, it automates every step from reagent prep to plate transfer to measurement, ensuring consistent and reproducible results.
The Opentrons Flex Absorbance Plate Reader Module is not available for sale in Europe.*
Features
Fully automated preparation, loading, and reading
Multiple wavelengths supporting a range of applications
Modular installation and easy operation
Tech Specs
Dimensions
Reader: 9.6 x 15.5 x 5.7 cm (w/l/h)
Adapter: 8.6 x 12.8 x 1.7 cm (w/l/h)
Weight
Illumination unit: 435g
Detection unit: 355g
Detection Method
Absorbance
Detection Mode
Endpoint, Kinetic
Microplate Type
96-well microplates (flat bottom)
Photometric Range
0.0–4.0 OD (optical density)
Resolution
0.001 OD (optical density)
Power Supply
USB connection 5 V
Power Input
2.5 Watts
Wavelength Filter Settings
450 nm, 562 nm, 600 nm, 650nm, custom wavelengths available
Detector
96 Photodiodes
Linearity
405 nm: ≤ 1.5% from 0.0 – 2.0 OD; ≤ 3.0% from 2.0 – 3.0 OD
≥ 450 nm: ≤ 1.0% from 0.0 – 2.0 OD; ≤ 1.5% from 2.0 – 3.0 OD
Accuracy
405 nm: ≤ 1.5% + 0.010 OD from 0.0 – 2.0 OD; ≤ 3.0% + 0.010 OD from 2.0 – 3.0 OD
≥ 450 nm: ≤ 1.0% + 0.010 OD from 0.0 – 2.0 OD; ≤ 1.5% + 0.010 OD from 2.0 – 3.0 OD