SpectraMax® ABS and ABS Plus Absorbance ELISA Microplate Readers
The SpectraMax® ABS and ABS Plus Absorbance ELISA Microplate Readers bridges the gap between the affordability of filter-based readers and the flexibility of monochromator-based systems with PathCheck® Sensor—the only patented technology available that measures the depth (optical pathlength) of samples in a microplate.
SpectraMax® ABS and ABS Plus absorbance microplate readers – A Filterless reader provide consistent results with steady temperature regulation
The SpectraMax® ABS and ABS Plus absorbance microplate readers provide flexibility, sensitivity, and convenience for a wide range of assays such as ELISAs, microbial growth, and protein quantitation. Both readers feature an 8-channel read head for fast reads and a subset feature, the temperature independent PathCheck sensor that automatically normalizes and ensures accurate absorbance values by detecting pipetting errors. Combined with a wide application base, industry-leading SoftMax® Pro Software and validation tools, these readers fit in every lab and every budget.
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Eliminate filters
Eliminate the need for purchasing and changing out filters with a monochromator-based wavelength selection for visible and UV-visible absorbance.
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Get consistent results
Mix samples thoroughly in microplate wells with user-programmable Automix feature and monitor temperature-sensitive reactions with consistent temperature regulation from ambient to 45°C.
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Integrate with ease
Measure micro-volumes: Compatible with the SpectraDrop™ Micro-Volume Microplate, enabling high-throughput measurement of low volumes (<5um) – ideal for DNA, RNA and protein quantification.
Key Features of SpectraMax® ABS and ABS Plus absorbance microplate readers
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Pipetting errors eliminated
This reader utilizes Molecular Devices' temperature independent PathCheck Sensor technology to measure the depth (optical pathlength) of samples in a microplate. It also allows for the elimination of standard curves.
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Optimized optical path
The reader’s unique quartz fiber optic system minimizes stray light for precise readings across a microplate. The spectral resolution ensures accuracy of DNA absorbance measurements.
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Eight-channel optics
The optical design of the reader enables simultaneous detection of 8 wells. The eight-channel system delivers both precision and speed across the microplate.
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Dual wavelength reads
The reader delivers high performance with round-bottom, flat-bottom or half-area well plates. Dual wavelength readings report the actual absorbance at each wavelength making data analysis convenient.
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Flexibility to read a variety of plate formats
SpectraMax® Absorbance Microplate Readers can run both cuvette-based and microplate reader applications on the same instrument. Read one sample or up to 384 in a single plate read using any standard cuvette, or 96- or 384-well microplate.
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Validation made easy
Verify the accuracy of your absorbance measurements with the SpectraTest® ABS1 Absorbance Validation Plate, using NIST-traceable standards. Testing can be done in your own lab, on your own schedule.
| Item Height Range (Metric cm) | 18.2-20.3 cm |
| Item Width Range (Metric cm) | 30.5-58 cm |
| Microplate Reader Type | Absorbance Reader |
| Detection/Read Type(s) | Endpoint, Kinetic |
| Fluorescence Intensity Read Time Range (sec) | 5-40 sec |
| Minimum Absorbance Wavelength Range (Metric nm) | 190-1000 nm |
| Maximum Absorbance Wavelength Range (Metric nm) | 750-1000 nm |
| Microplate Photometric Accuracy | < ±0.006 OD ±1.0%, 0-3 OD |
| Cuvette Photometric Accuracy | < ±0.005 OD ±1.0%, 0-3 OD |
| Photometric Precision | < ±0.003 OD ±1.0%, 0-3 OD |
| Light Source(s) | Xenon Flash Lamp |
| Microplate Size Compatibility | 96 well plate, 384 well plate |
| Microplate Shaking Mode(s) | Linear |
| Wavelength Bandwidth Range (Metric nm) | 2-8 nm |
| Wavelength Precision Plus/Minus Range (Metric nm) | 0.2 nm |
| Wavelength Selection | Monochromator tunable in 1 nm increments |
| Microplate Reader Validation Tool(s) | Absorbance Validation Plate, SoftMax® Pro GxP Software |
| Includes Validation Tools | Yes |
| Includes Cuvette Port | Yes |
| Includes Imaging Capability | Yes |
| Includes PathCheck™ Sensor | Yes |
| Includes Western Blot Capability | Yes |
| Robotics/Automation Compatible | Yes |
| Includes Temperature Control Capability | Yes |
| Minimum Temperature Control Range Added to Ambient Temperature (Metric °C) | 5 °C |
| Maximum Temperature Control Range (Metric °C) | 45 °C |
| Item Depth Range (Metric cm) | 38-41.4 cm |