Summit Doppler 2 MHz Waterproof Obstetrical Probe
Summit Doppler · Model 2 MHz Waterproof Obstetrical Probe
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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.
No or weak Doppler audio
HighSymptoms: No fetal heart tones, faint or intermittent signal even with good gel and placement.
Root cause: Degraded or cracked transducer crystal, or insufficient coupling gel.
Intermittent signal with cable movement
MediumSymptoms: Audio cuts out when the probe cable or strain relief is flexed.
Root cause: Broken conductors in the probe cable.
Connector fault / probe not detected
MediumSymptoms: The Doppler unit does not recognise the probe or gives static.
Root cause: Worn or dirty probe connector.
Cracked probe face / water ingress
LowSymptoms: Visible crack, loss of signal (waterproof probe compromised).
Root cause: Drop or impact.
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.
Doppler probe (replaced as a unit)
Class Periodic replacementRel. cost $$R&R Easy
Probe cable / connector
Class Periodic replacementRel. cost $$R&R Fairly easy
Ultrasound coupling gel
Class Frequent wear itemRel. cost $R&R Easy
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Doppler probe (replaced as a unit) | Periodic replacement | $$ | Easy |
| Probe cable / connector | Periodic replacement | $$ | Fairly easy |
| Ultrasound coupling gel | Frequent wear item | $ | Easy |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
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: No or weak fetal tones
- Apply fresh coupling gel and confirm probe placement.
- Test the probe on a known-working Doppler unit.
- Flex the cable while listening for dropouts.
- Inspect the probe face for cracks.
- Replace the probe if a known-good unit still gives no signal.
Symptom: Signal cuts out with cable movement
- Flex the cable along its length and at both ends.
- Inspect the connector for bent pins or corrosion.
- Clean and reseat the connector.
- Replace the probe if the fault tracks the cable.
- Confirm a stable signal with the cable moved.
Technical Specs
- Height
- 12 in
- Length
- 6 in
- Weight
- 1 lbs
- Width
- 4 in
Documents & Manuals
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