Detecto
CARDINAL SCALE MANUFACTURING COMPANY · Model 437
Physician's Scale, Weighbeam, 400 lb x 4 oz.
Intended use: A mechanical device designed to be placed on the floor and upon which a patient is intended to stand to measure and display total body weight. It is not designed to weigh a wheelchair-bound patient or bed/stretcher.
Key tips
- ·When no category-specific guidance fits, default to the manufacturer's own service manual and the general troubleshooting method in the Engineer's Guide.
- ·Run an incoming and annual electrical safety test regardless of how niche the device is.
Typical Failure Modes
Compiled for this model from its own documentation and established engineering knowledge for this equipment class - not from a verified service record. Confirm against the manufacturer's service manual.
Weighing inaccuracy
HighSymptoms: Reads high or low vs a certified test weight, non-linear across the range, will not zero.
Root cause: Load-cell drift or damage (digital), worn beam / poise knife-edges (mechanical), or a calibration fault.
Unstable / drifting reading
MediumSymptoms: Displayed weight wanders, will not settle.
Root cause: Load-cell or amplifier noise, a binding platform, or vibration / air currents.
Height rod / measurement fault
LowSymptoms: Height rod sticks, bent, or reads wrong.
Root cause: Worn or bent height rod.
Display / power fault (digital)
MediumSymptoms: Blank or erratic display, will not power on.
Root cause: Battery / adapter or the display board.
Serviceable Parts & Consumables
Serviceable items for this model, compiled from its documentation and engineering knowledge for this equipment class. Service class and relative cost are estimates, not manufacturer figures; no part numbers are given. Confirm intervals and pricing against the manufacturer.
Load cell (digital)
Class Major service partRel. cost $$R&R Moderate
Beam / poise knife-edge set (mechanical)
Class Major service partRel. cost $$R&R Moderate
Height rod assembly
Class Major service partRel. cost $R&R Fairly easy
Display board / power adapter (digital)
Class Major service partRel. cost $$R&R Moderate
Levelling feet
Class Major service partRel. cost $R&R Easy
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Load cell (digital) | Major service part | $$ | Moderate |
| Beam / poise knife-edge set (mechanical) | Major service part | $$ | Moderate |
| Height rod assembly | Major service part | $ | Fairly easy |
| Display board / power adapter (digital) | Major service part | $$ | Moderate |
| Levelling feet | Major service part | $ | Easy |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
- ·Follow the manufacturer's PM schedule
- ·Perform incoming and annual electrical safety testing per facility biomedical program
Troubleshooting Approach
A starting sequence for this model, compiled from its documentation and engineering knowledge for this equipment class. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Weighing inaccuracy
- Level the scale and confirm nothing binds the platform.
- Zero / tare with nothing on the platform.
- Check with certified test weights across the range.
- Calibrate per the Detecto manual.
- Replace the load cell (digital) or service the knife-edges (mechanical) if it will not calibrate.
Symptom: Unstable reading
- Move the scale away from vibration and air currents.
- Confirm the platform is not touching the frame.
- Check the load-cell cable and connector (digital).
- Recalibrate.
- Replace the load cell if noise persists.
Technical Specs
- Height
- 50 in
- Capacity
- 400 lbs x 4 oz
- Length
- 14.5 in
- Kind
- Standing
- Width
- 10.5 in
- Area/Surface Area
- 152.25 Square inch
- MRI safety
- Labeling does not contain MRI Safety Information
- Sterile
- No
- Single use
- No
- Prescription use
- OTC
- FDA distribution status
- In Commercial Distribution
- Device type (GMDN)
- Stand-on floor scale, mechanical
- FDA product classification
- Scale, Stand-On, Patient
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Varies by device - check the unit's own manual for facility placement guidance
Documents & Manuals
No documents available for this device yet.
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