Marsden M-400 Portable Baby Scale (Class III Approved)

A lightweight, portable and medically approved baby scale that converts to a toddler scale in seconds. The Marsden M-400 is trusted across hospitals, GP practices, midwifery teams and community clinics for 5g precision in infant weights and simple, wipe-clean usability. Ideal for routine checks, newborn clinics and home visiting.

Why choose the Marsden M-400?

• Class III medical approval for clinical use and accurate monitoring. 

• Two scales in one: slide the baby tray off to reveal a low-profile stand-on platform for toddlers (up to 20kg). 

• Precise, fast, stable readings with Hold and Tare to capture weight even if baby wriggles or to subtract blankets. 

• Goes wherever you work: weighs just 4kg; optional carry case/rucksack for community teams. 

• Long battery life: (over 100 hours on 6×AA); optional mains adaptor and optional Bluetooth for data transfer. 

Built for clinical accuracy

Using a Class III approved scale isn’t just best practice, it’s required where weight informs care pathways. The UK National Child Measurement Programme specifies Class III equipment, and NAWI regulations set the legal framework for non-automatic weighing instruments used clinically.

Who is it for?

• Neonatal & paediatric units needing fast, precise weights

• Midwives, health visitors & community teams who need a robust, portable solution

• GP surgeries & clinics standardising on compliant Class III equipment 

How the M-400 helps you deliver better care

• Stabilised readings (Hold): capture an accurate result even with movement.

• Tare: deduct blankets/nappies to record true body weight.

• Low-profile platform: safer step-on for toddlers when tray is removed.

• Data-ready (optional): add Bluetooth to send results to your clinical system.

You Might Also Like

If you’re comparing portable baby scales, here are some other Class III approved options from our range:

• Marsden M-300 Portable Baby Scale – A compact, budget-friendly option with 10g accuracy, ideal for community visits.

• Marsden M-410 Baby & Toddler Scale – Removable tray and stand-on platform, perfect for clinics and home visits.

• Seca 384 Baby & Toddler Scale – Lightweight with quick conversion to a floor scale, perfect for busy clinics.

Trusted by Professionals Nationwide

The Marsden M-400 Portable Baby Scale delivers hospital-grade accuracy in a lightweight, easy-to-use design, perfect for newborn clinics, community visits, and toddler check-ups. With Class III medical approval, exceptional battery life, and Marsden’s trusted build quality, it’s the reliable choice for healthcare professionals across the UK. Order today from Primary Care Supplies for fast delivery and ongoing support.