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USER MANUAL RETEVET™ PORTABLE ERG
T +49 7461 96 580 0 | F +49 7461 96 580 90 | export@eickemeyer.com | www.eickemeyer.com
Specifi cations
Light source Red LED (621 nm) Green LED
(530nm)
Blue LED (470 nm) White (RGB)
Flash luminance
energies (cd
.
s/m²)
0.0001 – 15 0.001 – 17 0.0001 – 5 0.002 –30
Background
luminance (cd/m²)
0.03 – 3,000 0.2 – 3,500 0.03 –1,200 0.4 – 6000
To convert to Trolands, multiply luminance by the pupil area in mm²
Input Type Custom 3 pin connector with positive, negative, and right leg drive signals
Noise < 0.1 µVrms at the fl icker frequency for fl icker protocols
CMRR > 100 dB at 50 – 60 Hz
Frequency Range DC-coupled
Flicker Frequency Approximately 28.3 Hz
Data Resolution Approximately 71 nV / bit
Input Range ± 0.6 V
Sampling rate Approximately 2 kHz
Timing accuracy †
(electronic eye)
< ± 0.1 ms
Timing precision †
(human eye, 1σ)
Typically < ± 1 ms
Safety Battery-powered. Complies with optical, electrical, and biocompatibility safety standards
Power source Li-Ion battery allows testing of approximately 70 patients before recharging, depending on the
protocol used
Recharge time 4 hours – charger included
Size W 2.8" x D 3.8" x H 8.4" (W 7 cm x D 10 cm x H 21 cm)
Weight 8.5 oz. (240 g)
Docking station Convenient storage location, charging stand, and USB connectivity to your computer and network
Protocols Choose from fl ash and fl icker protocols adapted for various animal species
All specifi cations are subject to change.
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