KAT
Mechanical Goldmann applanation tonometer
Fully mechanical Goldmann applanation tonometer read from a calibrated drum, so no battery is needed. Offered as R-type and T-type for H-style slit lamps and as the newer Z-type for Z-style (lower-illumination) slit lamps.
Serviced by manufacturer-trained engineers. New devices include two years of free service – only the engineer's travel is charged.
Highlights
- Smooth drum control with readings from 0 to 80 mmHg
- Calibration arm supplied for routine accuracy checks
- Accepts re-usable Goldmann prisms and Tonoclear single-use prisms
- Z-type available for Keeler slit lamps and for other manufacturers' Z-style slit lamps
- British-made, hand-assembled in Windsor
Technical specifications
- Measurement range
- 0–80 mmHg
- Scale division
- 1.96 mN (2 mmHg)
- Measurement uncertainty
- ≤ 0.49 mN up to 32.67 mN; ≤ 1.5 % above
- Hysteresis
- ≤ 0.49 mN
- Measuring force
- lever weight, no battery
- Versions
- R-type (fixed) / T-type (removable) / Z-type (Z-style slit lamps)
- Weight
- 0.82 kg (R) / 0.48 kg (T) / 0.76 kg (Z)
- Standard
- ISO 8612:2009
- Medical device risk class
- Class I
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