Extra-large analog bathroom scales—often called "Doctor's Style" or "Professional" scales—are designed for high visibility and stability. Unlike standard digital models, they use a mechanical spring mechanism, meaning they require no batteries and offer a larger physical footprint for comfort.
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Typical specifications for these heavy-duty models are outlined below:
1. Weight Capacity & Precision
- Max Capacity: Usually ranges from 330 lbs to 440 lbs (150 kg to 200 kg). Some medical-grade versions can go up to 500 lbs.
- Graduation: Increments are typically 1 lb or 0.5 kg to 1 kg. Because they are mechanical, they are best for tracking trends rather than gram-level precision.
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2. Physical Dimensions
- Platform Size: Extra-large models generally feature a platform roughly 12" x 18" (approx. 30 x 45 cm). This is significantly wider than standard scales (usually 11" x 11"), making them safer for users with a wider stance or larger feet.
- Dial Diameter: The "Speedometer" style dial is usually between 5" and 8" (13 cm to 20 cm) in diameter.
- Height: Because of the mechanical levers inside, these scales are thicker than digital ones, usually 2" to 4" (5 cm to 10 cm) tall.
3. Build & Safety Features
- Materials: Most high-quality XL analog scales use a solid steel frame and a heavy-duty powder-coated base for durability.
- Non-Slip Surface: They almost always include a textured rubber mat or a "soft-touch" platform to prevent slipping, even with wet feet.
- Zero-Adjustment: A manual "cog" or dial (usually at the base) allows you to reset the needle to zero if it shifts over time.
Popular XL Models for Reference
|
Feature |
Kinlee XL Mechanical |
Salter Professional |
Adamson A25/A27 |
|
Max Capacity |
350 lbs / 160 kg |
400 lbs / 180 kg |
400 lbs / 180 kg |
|
Platform Size |
18" x 13.4" |
17" x 12" |
17" x 13" |
|
Specialty |
Stainless Steel Platform |
"Doctor's Style" Raised Dial |
High-Contrast Numbers |
Pro Tip: Always use these scales on a hard, level surface (like tile or wood). Placing an analog scale on a carpet will cause the mechanical levers to bind, resulting in an inaccurate reading.