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Red insulated ring crimp terminal by TE Connectivity, 22–16 AWG, screw mounting, tin-plated copper, 300 V rated.
The TE Connectivity 31897 PIDG Ring Crimp Terminal is a precision-engineered electrical connector designed for reliable screw mounting in wire termination applications. This terminal supports wire gauges ranging from 22 AWG to 16 AWG, making it ideal for diverse molecular diagnostics and biotechnology instrumentation wiring needs.
This terminal is critical for secure and stable terminations in biomedical engineering equipment wiring, bioprocessing instrumentation, and synthetic biology research setups. Its PIDG series insulation and tin-plated copper contacts provide enhanced electrical connectivity and reliability essential in gene editing workflows and high-fidelity molecular cloning instrumentation. The screw mounting style supports robust mechanical connections used in demanding biopharmaceutical production pipelines and laboratory automation systems.
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
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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.
Yes. Every verified supplier states which service partners cover the instrument, and we list that 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 19 October 2026
The middle half of the 443 with a price runs from €86 to €477.
