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Used: CEM Liberty Microwave Peptide Synthesizer SP-1422 w/ PepDriver Software

Laptop w/ Software. Backed by our 90-day warranty.

Quick Overview

Used - A pre-owned and tested instrument that may show signs of wear

Flat-Rate Freight with a Custom Crate ($380) - The instrument is protected by a custom-built, foam-padded crate.

Backed by a 90-day Warranty - Your instrument works, or we repair, refund, or replace.
$4,599.95 $3,679.96
AdID: 15116

Availability: In stock


CEM Liberty Microwave Peptide Synthesizer

For a budget lab that can offer some TLC

This CEM Liberty peptide synthesizer has been professionally inspected and tested. Given the results of testing (read below), we think it's best suited for a budget laboratory that has the expertise to get it humming along again.

Continue reading for a summary of our testing.

Testing Results

We confirmed that the microwave works without issue. However, during testing we found the following issues:

    - Not all valves were responsive
    - Third rotary valve sensor does not register position correctly, with reading fluctuating
    - Actuator cycles report a positional error

Feel free to contact us for more details concerning our testing and service processes.

New display in Discovery unit

New power supply in Liberty unit

PepDriver software included

Contact us if you'd like us to install the software on a laptop and include it with the instrument for a surcharge.

Note: Reagent vessels not included

From a Professional Dealer to Your Lab

New Life Scientific is an experienced scientific vendor with a history of positive customer experiences. You can have confidence in our technical evaluations and our warranty knowing that we have actual in-house technicians who inspect, test, service, and repair the various instruments we receive. 

After their examinations and being cleaned inside and out, products often leave our shop meeting manufacturer specs.

When you buy from New Life Scientific, you’re free to contact us at any time for after-sales support concerning any questions or issues that may arise, even after your warranty expires.






Model No.


Mfg. Date


Serial No.


Electrical Requirements

100/240 VAC

1.5 A

50/60 Hz

150 W

Dimensions (W x D x H)

27" x 20" x 33.5" (68.6 x 50.8 x 85.1 cm)