Refurbished surgical, imaging and biomedical equipment with a written MED warranty. Since 2007. Request a quote

Trade in idle or retired equipment from any department toward your purchase. How it works

Welch Allyn  |  SKU: WELCHALLYN 420SERIES

Welch Allyn Spot Vital Signs 420 Series Monitor

Delivery and Shipping

MED offers fast, reliable shipping services, with tracking and dedicated support every step of the way. Whether you're ordering a single device or outfitting an entire facility, you can trust MED to deliver safely, on schedule, and with care.

Warranty and returns

Every MED Refurbished unit ships with a written MED warranty covering parts and labor. Terms run from 90 days to 24 months depending on the equipment and are stated on your quote. Extended coverage is available on most systems. Your warranty is with MED: one point of accountability from quote through the life of the coverage.

30-day acceptance: if a unit does not perform as quoted on arrival, MED makes it right. See our Return Policies for details.

Trade in your current equipment

Have a unit to retire? Tell us what it is in your quote request. We value it against current market data and can remove it when we deliver. Any department, any modality.

Written MED warranty on every refurbished unit. Trade-ins accepted toward this purchase.

Request a quote on this model

Tell us the configuration and timeline you need. A MED specialist replies the same business day with availability, warranty and pricing. Purchase orders accepted.

Welch Allyn 420 Series is suitable for adult and pediatric patients in a variety of healthcare settings except for continuous monitoring and transport of patients. All models of the 420 Series feature Blood Pressure parameters. 420TB has the additional SureTemp thermometer. 42MOB has the additional Masimo SPO2 while 42NOB has the additional Nellcor SPO2. 42MTB has the additional Masimo SPO2 while 42NTB has the additional Nellcor SPO2, and both of the models have the additional SureTemp thermometer. It features a large easy-to-read screen that displays automatically measured systolic and diastolic blood pressures and the other respective parameters featured in each model. This device stores in its internal memory the last patient measurement cycle until the monitor is turned off or or until new measurements will be taken from a new patient.

Payment & Security

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Purchase Orders (PO) are accepted from authorized hospitals and institutions.