The Marsden HM-201M is a manual telescopic height measure covering a 60cm to 205cm range with 1mm graduation, designed for attachment to Marsden column scales including the M-110 and M-125, or for permanent wall mounting in NHS consulting rooms, outpatient assessment areas and care home clinical rooms. Its 60-205cm range accommodates young children through to tall adults in a single instrument, making it a practical specification for GP surgeries and health centres with mixed-age patient populations where a single height measure serves all patient types without range limitation.
At 1mm graduation, the HM-201M delivers the precision required for accurate BMI calculation in NICE obesity pathway assessments, where height measurement errors affect BMI scoring at threshold boundaries that determine treatment pathway decisions.
| Specification | Detail |
|---|---|
| Range | 60cm to 205cm |
| Graduation | 1mm |
| Type | Manual telescopic, manual read |
| Mounting | Column scale attachment or permanent wall mount |
| Compatible Scales | M-110, M-125 and other compatible Marsden column scales |
| Lower Range | 60cm suitable for young children (approx. 3-4 years+) |
The HM-201M's 1mm graduation meets the measurement precision recommended by RCPCH and NICE for adult standing height measurement used in BMI calculation, where 5mm measurement errors can shift a patient's BMI score across a clinically significant threshold, such as the BMI 30 boundary that triggers NICE CG43 obesity pathway intervention. For NHS GP surgeries and outpatient departments where height measurement is a standard step before BMI calculation, the 1mm precision of the HM-201M is the minimum appropriate standard for clinically reliable BMI scoring. Wall mounting creates a fixed, always-ready measuring point that eliminates the equipment setup step for every patient interaction, while column attachment makes height measurement integral to the weighing episode without requiring a separate measurement station.
What is the difference between the HM-201M manual, HM-200D digital and HM-201D automatic height measures?
The HM-201M is a manual telescopic rod read by the clinician against the 1mm scale markings, requiring the clinician to lower the headpiece to the patient and read the height directly. The HM-200D provides a digital display of the height reading on a small screen, eliminating manual scale reading but still requiring the clinician to position the headpiece manually. The HM-201D is an automatic system that measures height electronically as the patient stands under the measure, displaying height directly on the column scale indicator without manual positioning or reading. The HM-201M is the lowest-cost option; the HM-201D is the highest-throughput option for busy outpatient departments where time per patient is a clinical workflow priority.
Can the HM-201M be used without a Marsden column scale as a standalone wall-mounted height measure?
Yes. The HM-201M includes both column scale attachment fittings and wall mounting fittings, allowing it to be used as a standalone height measure without a Marsden scale. In wall-mounted configuration, height is read manually from the 1mm scale on the telescopic rod, and the height value is then entered into any scale indicator or clinical record system manually. This configuration is appropriate for clinical areas where a separate floor scale (such as an M-430 or M-420) and a dedicated wall-mounted height measure are preferred over a combined column scale, or where the height measure needs to be positioned away from the weighing point for workflow or room layout reasons.
Part of our Class III approved Medical Scales and Measuring range. Patient height measurers provide accurate standing and seated height measurement for clinical assessment in care homes and NHS environments.