Marsden M-640 Bariatric & Wheelchair Scale

  • Premium bariatric scale with our best-selling medical indicator
  • Designed for patients with limited mobility
  • Convenient and versatile scale for a wide range of applications
  • Highly accurate due to multi-interval weighing
  • Supports patients who cannot stand
  • Highly suitable for all healthcare environments

Total Price
£2,016.00 Exc. VAT (£2,419.20 inc. VAT)
In Stock: Delivery within 5 working days.


300kg or 500kg

100g or 200g

Class III Approved

8 year warranty

800mm x 800mm

Rechargeable battery pack

Battery Life:
Up to 55 hours of continuous use

Weight of Scale:

Additional Features

  • Full numeric keypad for BMI calculation
  • Large base to accommodate almost any wheelchair
  • Built in ramps with a gradual incline
  • In-built chair to support patients
  • Tare to deduct unwanted weight
  • Hold to ensure that an accurate weight is obtained
  • Auto-power off after 3 minutes
  • Optional connectivity options available
  • Suitable for hospitals, care homes and rehabilitation centres


User Manuals Medical Scales

Product Brochures Medical Scales

Pre-Acquisition Questionnaire (PAQ) Medical Scales

General Information Certificates and General Information

What is a Class III Approved scale?

Class III Approved scales are built, tested, verified and calibrated in order to meet a specific standard. The NAWI directive states that all scales ‘used in the determination of mass in the practice of medicine for the purpose of monitoring, diagnosis and medical treatment’ must be Class III Approved. Approved scales are subject to rigorous testing by an EU notified body, which provides the user with assurance of accuracy and reliability.

How can patient weight data be recorded?

For a printed record of patient weight data, choose the optional TP-2100 printer. This printer provides a hard copy of patient weight, plus BMI and height if that has been entered/calculated using the indicator. Each print out is date and time stamped.

Weight (plus height and BMI) data can also be sent wirelessly from the scale to a central database, using either Bluetooth or Wi-Fi technology. Whilst Marsden does not provide software for capturing the data, we can provide all technical information such as protocols if you are configuring your own systems to receive this data. Wireless recording of patient information can save time, improve the quality and reliability of patient records and also help you become a paperless organisation.

Why should I choose the M-640?

The Marsden M-640 Bariatric Scale features our premium indicator. With a full numeric keypad and three displays, it is easy to calculate a patient’s BMI. The scale has Tare/Preset Tare functions so that the weight of the wheelchair can be deducted before weighing the patient. The Hold function stabilises the weight reading on the display, and remains on the display after the patient has stepped off the scale.

The M-640 weighs up to 300kg or 500kg in 100g increments and is powered by rechargeable battery, which provides 55 hours of continuous use. The scale is also covered by the Marsden 8 Year Warranty.

Where can I find out more?

Contact us to find out more information about Marsden baby scales

Sales & Advice:

+44 (0)1709 364296

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