Bio Rad Tetrad 2 Thermal Cycler

PCR Thermal Cyclers
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The DNA Engine Tetrad 2 Cycler by Bio Rad was designed by molecular biologist and engineers for molecular biologists and engineers. The BioRad Tetrad 2 Thermal Cycler features interchangeable blocks to accommodate a variety of tubes, microplates, and slides; intuitive, user friendly software for programming, editing and file management; and offers a choice between calculate temperature control for high speed and accuracy, or block temperate control for compatibility with protocols designed for a variety of instrument types. 

The BioRad Tetrad 2 four-bay system and compatibility with Dual Alpha products allow the DNA Engine to run up to eight independent protocols at the same time, showcasing how the system is not only efficient, but also robust. It also features an advanced graphical interface, comparable to Tetrad 2 model also powered the Human Genome Project.   This Thermal Cycler was designed to handle the demand of high throughput labs looking for more productivity.  Contact us today to learn more about our Bio-Rad Tetrad 2 DNA Engine Thermal Cycler.

BioRad Tetrad 2 System Specifications:

Thermal Range

0-105 °C but no more than 30°C below ambient

temperature (10-105°C for the slide chambers unit)
Speed of rampingUp to 3°C/sec for all single- and dual-block Alpha units; Up to 1.2°C/sec for the Slide Chambers Alpha unit
Temperature Accuracy±0.3 °C of programmed target at 90°C, NIST- traceable (± 0.4°C for dual Alpha units)
Temperature uniformity± 0.4°C well-to-well within 30 seconds of arrival at 90°C (±0.5°C for dual Alpha units)
Gradient accuracy

+0.3°C of programmed target at end columns,

30 seconds after the timer starts for the gradient step,  NIST–traceable
Program Memory CapacityUp to 1,000 programs can be saved

One 9-pin RS-232 serial port

One Ethernet port
Power 200 – 240V 50/60Hz 
Dimensions (L x W x H)18.5” x  24” x  10” 
Weight 55 lbs


  • Bio-Rad Tetrad 2 Thermal Cycler
  • Four 384 Well Alpha Blocks
  • Power Cord
  • Operator's Guide
  • Warranty

This listing is for a like new BioRad Tetrad 2, also known as PTC-240.  This DNA Engine has been tested and is performing at the manufacturer's listed specifications.  System is currently ready to be shipped and has a 1-3 day turnaround time from receipt of order.  If you would like a price quotation please fill out the form below.  Should you have any PCR equipment sitting around, collecting dust, please let us know.  We purchase Thermal Cyclers and offer competitative trade-in pricing on you used PCR equipment.

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