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Marsden M-640 Bariatric & Wheelchair Scale (Class III Approved)

Our Price: £2,011.00 + VAT (£2,413.20 - £2,413.20 inc VAT)

Why Buy the Marsden M-640 from Scales and Balances?

At scalesandbalances.co.uk, we recognize the M-640 as the most versatile “all-round” scale for specialist care. By combining three weighing methods into a single footprint, it saves valuable floor space while providing the bariatric capacity (up to 500kg) required for modern healthcare.

Order the Marsden M-640 today for a professional, multi-functional weighing solution that adapts to every patient’s needs.

Calibration certificate traceable to National Standards (Small Scale/Balance)

Price: £40

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Description

The Marsden M-640 is a 3-in-1 medical scale featuring wheelchair ramps, handrails, and a hinged seat. Available in 300kg and 500kg capacities. Class III Approved.

The Marsden M-640 is a comprehensive, high-capacity weighing station designed for patients with significant mobility challenges. Known as a “3-in-1” medical scale, the M-640 provides unparalleled versatility: it functions as a roll-on wheelchair scale, a standing bariatric scale with handrails, and a seated scale thanks to its integrated, fold-down seat.

Whether in a bariatric ward, a rehabilitation center, or a busy care home, the M-640 ensures that every patient, regardless of their mobility level, can be weighed with dignity, safety, and clinical precision.

Three Ways to Weigh

The M-640 is engineered to adapt to the specific needs of the patient at the point of care:

  • Wheelchair Access: The large 800mm x 800mm platform features integrated, low-profile ramps with a gentle incline, allowing manual and powered wheelchairs to be positioned effortlessly.

  • Standing Support: Sturdy, reinforced handrails provide a secure point of contact for geriatric or unsteady patients, significantly reducing the risk of falls.

  • Hinged Seating: For patients who are too unsteady to stand but do not use a wheelchair, the high-quality hinged seat can be folded down in seconds, providing a comfortable and secure seated weighing option.

Clinical Precision & Choice of Capacity

To ensure you have the right tool for your specific patient demographic, the M-640 is available in two distinct variations. Both are Class III Approved, the legal requirement for medical diagnosis and monitoring.

Model Variation Capacity Graduations (Accuracy)
M-640 Standard 300kg 50g < 150kg > 100g
M-640 High-Capacity 500kg 100g < 300kg > 200g

Advanced Diagnostic Indicator

The M-640 features a premium digital indicator designed to maximize efficiency for clinical staff:

  • Full Numeric Keypad: Rapidly input patient height to calculate and display Body Mass Index (BMI) instantly across three dedicated LCD screens.

  • Stabilization Technology: The “Hold” function locks the weight reading on the display, even if the patient is moving or holding the rails.

  • Preset Tare: Easily deduct the weight of wheelchairs by storing standard weights in the system memory, ensuring only the patient’s net weight is recorded.

  • Swivel Display: The indicator unit swivels, allowing the clinician to adjust the viewing angle for maximum visibility.

Mobile Power & Digital Readiness

  • Ward Portability: Despite its robust frame, the M-640 is fitted with two wheels, allowing it to be tilted and moved between rooms when required.

  • Long-Life Battery: The internal rechargeable battery provides over 55 hours of continuous use (approx. 3,000 weigh-ins). A mains adaptor is supplied as standard.

  • Seamless Connectivity: Includes a standard port for an optional thermal printer. For paperless facilities, the scale can be specified with Bluetooth or Wi-Fi for direct data transfer to EMR systems.

Marsden M-640 Technical Specifications

  • Approval Status: Class III Approved / MDD Approved

  • Platform Size: 800mm x 800mm

  • Unit Weight: 53kg

  • Power Source: Rechargeable Battery Pack / Mains Adaptor

  • Warranty: Industry-leading support and reliability

View Datasheets and Downloads

Marsden M-640 Bariatric & Wheelchair Scale Datasheet

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Frequently Asked Questions

Please see below for answers to frequently asked questions.

A calibration certificate proves the accuracy of your weighing equipment. It is very likely that if accuracy matters in your workplace, certification will be required by your industry regulators. They are straightforward to get hold of though. Just ask our team.

If you are trading or transacting anything by weight, you will probably need to demonstrate your weighing equipment is verified for trade use. This gives your customers confidence in your business and will make sure buying and selling run smoothly. We can help get you with relevant approvals for your equipment.

The answer will vary depending on how your equipment is used. As a minimum, we typically recommend once a year but our team can provide advice based on your individual circumstances.

The International Organization of Legal Metrology (OIML) has established standards for the classification of calibration test weights. Varying from E0 & E1, which are the most accurate to M2 which are commonly used for calibrating platform scales, floor scales and other industrial weighing instruments.

As a rough guide we have listed desired accuracy against class below.

+/- 0.1% – UNclassed Proof Load Test Weights
+/- 0.05% – M3 (Check/calibrate coarse scales)
+/- 0.005% – M1 (Check/calibrate standard scales)
+/- 0.0015% – F2 (Check/calibrate portable balances)
+/- 0.0005% – F1 (Check/calibrate precision balances)
+/- 0.00015% – E2 (Check/calibrate analytical balances)

The choice of weight class depends on the intended use and the level of accuracy required for a particular application. If you’re unsure, talk to our team who can advise you on the right class for your equipment.

If you’re sending a scale back to us for recalibration, it is ideal to use the original packaging. If this is not available choose a sturdy well-padded box to avoid shocks. Where possible, protect the load sensor by removing the weighing pan and any under-pan support and pack these separately in the box. You may be able to use the equipment’s locking pins or screws too.

Do ensure all the paperwork, including your contact details, is included to ensure we can return it once calibration is complete.

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