USER
MANUAL
27
51331-006
Appendix 1: Photic Stimulator Specifications
Lifelines reserves the right to change product specifications at any time without notice. This is in line with the
company’s policy of continual product development.
Light Output
Light source
Single hi-intensity LED and associated optics
Light aperture
100mm diameter circular
Front-filter provision
120mm diameter
Light output – Luminous power
700 lm typical, 900 lm max
Light output – Illuminance
13,000 lux peak at 30cm, 20Hz
Light output – Luminous Energy
64 lx.s max at 30cm
Light output – Irradiance
12 W/m
2
max at 30cm, 60Hz
Light output - Wavelength
425 – 700nm
Flash Repetition Rate
1 – 60 Hz or single (manual) flash
Internal accuracy ± 2.5%
Intensity control
7 steps linear control
Flash duration control
1 – 10ms duration fixed or auto duty cycle, 200ms max
Internal accuracy ± 2.5%
Power Input
USB
5V, 0.5A max ( 1 USB Port)
5V, 1A max (2 USB Ports)
12V-15V, 0.3A (Connection to 3rd party EEG system)
Connections, ports and controls
I/O Control RJ45 connector
RJ45 Connector providing:
1. USB data I/O and power input
2. External power input
3. External trigger input and output
4. RS232 data I/O
External trigger input
+ve pulse >3V amplitude, >25µs width
On/Off switch
Switches the flash output On or Off
External Trigger Output (2 pin Type
249 touch-proof keyhole)
Isolated 75mV output pulse for connection to type BF systems
Physical characteristics
Weight
390g approx including mounting spigot
Size
130mm diameter x 130mm length approx.
Mounting
1.
Built-in handle
2.
8mm diameter x 35mm long spigot
3.
M8 x 1.25mm threaded bush
Appendix 1
