Specifications

40
Slit Lamps | New Keeler
Keeler Slit Lamp Technical Specifications
Optical system
Type Galilean converging binoculars @ 8°
Magnification
Rotating drum change x6, x10, x16, x25 & x40
Eyepiece
x12.5
Field of view
34, 22, 14, 8.5 and 5.5 mm
Interpupillary distance
49.0 to 77mm
Objective lens focal distance
107mm
Objective lens convergence angle
13°
Slit Projection system and base
Slit width
0-12mm continuously variable
Slit length
12mm (1mm – 12mm continuously variable)
Aperture diameters
0.2, 1mm square, 2, 3, 5, 9 and 12mm
Filters
Clear; red free; neutral density; diffuser; blue; IR heat
absorbing filter permanently installed
Slit angle
+/- 90° continuous
Slit rotation
+/- 180° with reference scale
Slit vertical tilt
0°, 5°, 10°, 15° & 20°
Base travel
25mm Z-axis, 107mm X-axis, 110mm Y-axis
Horizontal fine adjustment
12mm
Table top dimensions
405 x 500mm
Fixation lamp
LED
Light source
LED / 6V 20W Halogen lamp
Protection against Ingress IPxO
Class II ME Equipment
Insulation between mains parts and the functional earth provide at least two means of protection
Power supply Part Number
Power supply unit
Switch mode, (110V – 240V input) +/- 10% multi plug
compliant to EN60601-1 EN 61000-6-2, EN 61000-6-3
3020-P-5040/
3020-P-7017
Power supply output
12V DC: 2.5 amps must be IEC/EN 60601 compliant
Complies with
Electrical Safety (Medical) BS EN 60601-1
Electromagnetic compatibility EN 60601-1-2
Ophthalmic instruments - Fundamental
requirements and test methods ISO 15004-1
Ophthalmic instruments - Optical radiation
hazard ISO 15004-2
Environmental
Temperature Humidity Pressure
Use
+10°C to +35°C 30% to 90% 800 hpa to 1060 hpa
Storage
-10°C to +55°C 10% to 95% 700 hpa to 1060 hpa
Transport
-40°C to +70°C 10% to 95% 500 hpa to 1060 hpa