
American Diagnostic Corporation · Model Adstation 5612
Coax Ophthalmoscope Head (p/n 5440) features: High-performance aspherical condenser lens reduces corneal reflection Further reduction provided by utilizing distinct parallel observational and illuminating light beams (Gullstrand’s Equation) Ergonomic design and integral thumb rest improves stability and allows one-finger control of all functions Synthetic rubber brow rest facilitates use with practitioner eyeglasses Dust proof Magnified, illuminated aperture viewing window Universal bayonet mount for compatibility with other brands of 3.5V power supply handles Anti-theft locking feature is standard Choose from halogen/xenon or high-performance AdLED illumination Two-year warranty on instrument, lifetime warranty on AdLED lamp 29 viewing lenses from -35 to + 40 (PLUS 1-10, 12, 15, 20, 40; Minus 1-10, 15, 20, 25, 30, 35) 24 aperture/filter combinations for improved versatility 6 apertures include: Slit – used to help determine levels of tumors and lesions Fixation – has graduated crosshairs for measuring eccentric fixation or locating lesions Large – standard aperture for a dilated pupil and general examination of the eye Small – provides excellent view of fundus through an undilated pupil Micro spot – allows quick entry into small, undilated pupils Half moon – provides a combination of depth perception and field of view 3 filters (plus neutral) include: Red free – excludes red rays from examination field for easy identification of veins, arteries, and nerve fibers Cobalt – used with fluorescent dye to view small lesions, abrasions, and foreign objects on the cornea Polarizing – virtually eliminates corneal reflection Wall transformer power supply features: Magnetic switch activates power when handle is removed from cradle, automatically powers off when handle is replaced Handle is CNC machined from solid brass and chrome plated in black with a ribbed surface for a sure grip Adtronic electronic rheostatic light intensity control provides infinite continuous control Adtronic auto-off feature after two minutes provides additional safety if instrument is mis-cradled Bayonet instrument mount is compatible with all major brands of 3.5V instrument heads Base unit contains power switch and one handle Up to three single-handle extension units can be added Easy to install with included bracket or may be mounted to our wallboard systems Available in 120V or 230V power supply with Euro plug UL approved Five-year warranty on wall transformer.
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: Dim, uneven or no illumination; poor or hazy view; slit / filters not working.
Root cause: Bulb / LED at end of life, a power-supply fault, or contaminated optics.
Symptoms: Joystick or slide binds, will not hold position, chin-rest / head-rest drive faults.
Root cause: Worn stage bearings / slides or a positioning-drive fault.
Symptoms: Reading errors (tonometer / autorefractor / lensmeter), no or poor image capture (fundus / OCT), calibration fails.
Root cause: Sensor / camera fault, a calibration issue, or contaminated measurement optics.
Symptoms: No printout, images / data will not save or transfer.
Root cause: Built-in printer, the PC, or the network / EMR interface.
Symptoms: Instrument table or chin-rest will not raise / lower.
Root cause: Table / chin-rest actuator or its switch.
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 |
|---|---|---|---|
| Illumination bulb / LED module | Frequent wear item | $$ | Fairly easy |
| Positioning-stage bearings / slides | Major service part | $$ | Moderate |
| Measurement sensor / camera module | Major service part | $$$ | Moderate |
| Built-in printer / paper | Periodic replacement | $ | Fairly easy |
| Chin-rest / table actuator | Major service part | $$ | Moderate |
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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