
American Diagnostic Corporation · Model Pro's Combo I
The 788 palm style sphygmomanometer and color coordinated matching professional Adscope™ 641 Sprague 804 gauge with integral bulb not made with natural rubber latex and trigger style air release valve for one-hand convenience Precision crafted 300mmHg Japanese engineered movement tested to 50,000 cycles Adcuff™ nylon cuff with ADC’s proprietary Size Guide™ marking system Quick release luer slip connector Extra large, color-matched dual pocket carry case (measures 9” x 5” x 2”) Ideal for nurses, PA’s, and EMT’s Assembled, inspected, and packaged in the U.S.A. from foreign components Meets or exceeds ANSI/AAMI/ISO 81060-1.
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.
Symptoms: Gauge reads high or low versus a reference, needle not at zero at rest, sticky needle.
Root cause: Mechanical wear in the movement or a shock event; 300 mmHg movement drifts over cycles.
Symptoms: Bulb will not build pressure, deflates too fast or not at all, trigger valve sticks.
Root cause: Cracked bulb, worn one-way valve, or a fouled trigger air-release valve.
Symptoms: Pressure will not hold, slow steady drop on the gauge.
Root cause: Perforated bladder, cracked tubing, or a leaking luer/quick-release connector.
Symptoms: Muffled or absent sound, air leak at the eartips or tubing.
Root cause: Hardened or cracked tubing, missing eartips, or a loose chestpiece.
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.
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Inflation bulb and air-release valve | Periodic replacement | $ | Easy |
| Cuff bladder and tubing | Periodic replacement | $ | Easy |
| Aneroid gauge / movement | Major service part | $$ | Fairly easy |
| Stethoscope ear tips and tubing | Periodic replacement | $ | Easy |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
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.
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.
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
Describe a symptom or error code. Bio answers from this device's own documented error codes, failure modes, parts, and guides.
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