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Used isa PG1500SA tower UPS with 1500VA/1050W capacity, RS-232, six NEMA 5-15R outlets, and battery expansion.
The isa Power Guardman PG1500SA is a used 1500VA/1050W tower uninterruptible power supply (UPS) designed to provide short-duration battery backup and electrical protection for laboratory instruments, computers, communications equipment, and biotechnology workstations.
This tower UPS is suitable for maintaining power continuity and protecting equipment used in molecular diagnostics, bioprocessing, synthetic biology, and general laboratory automation. The unit is sold as-is due to its used condition, and its performance may not match original new-product specifications.
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.
We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.
With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
Tell us what you need and a scientist finds it for you, usually within the hour.
Last updated 7 November 2026
The middle half of the 253 with a price runs from €155 to €495.
7 other listings of this model are available.
