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25
16. Specifications and electrical ratings
Dimensions
450 x 435 x 245mm (H x D x W)
Weight
16kg
Calibrated range
5mmHg to 50mmHg
Repeatability (Average <5%
coefficient of variation)
Accuracy
+/-5mmHg (95% confidence level)*
Working distance
20mm from surface of patient’s cornea to front surface of first lens. This equates to a nominal distance of
15mm from the front of the puff tube shroud to the front surface of the patient’s cornea
Displayed scale
Single line 16 character alphanumeric display
Illumination system
LED infra red
Complies with
Electrical Safety (Medical) BS EN 60601-1:2006. Electromagnetic compatibility EN 60601-1-2:2007
Ophthalmic instruments - fundamental requirements and test methods ISO 15004-1:2006
Optical radiation hazard ISO 15004-2:2007
Power Supply Unit
Switch mode, (110 – 240V)+/- 10% multi plug type compliant to EN 60601-1, EN 61000-6-2, EN 61000-6-3
Power supply output 30 VA (12V DC 2.5A)
Frequency
50/60 Hz
Environment
Use: +10°C to +35°C, 0% to 75% relative humidity, 700hPa to 1060hPa atmospheric pressure
Storage: -10°C to +55°C, 10% to 95% relative humidity, 700hPa to 1060hPa atmospheric pressure
Transport: -10°C to +60°C, 10% to 95% relative humidity, 500hPa to 1060hPa atmospheric pressure
*In house trial carried out on 20 participants
