ZERA TK326 Operation Manual page 9

Scanning of LED's :
Wavelength:
Distance to meter LED:
Pulse data:
max. frequency
max. rising time
min. pulse width
max. falling time
min. pulse pause
Squarewave 1:1:
max. frequency
max. rising time
max. falling time
Squarewave 1:1, Amplitude modulation 8 kHz:
max. frequency
max. rising time
max. falling time
uncertainty of switching edge detection ± 1 µs
Rotor marks scanning :
wavelength LED in front
distance to rotor disk
uncertainty of switching edge detection ± 1 µs
Scanning Head TK326
450 ... 950 nm
25 ... 50 mm
1000 Hz
20 µs
100 µs
20 µs
400 µs
1000 Hz
20 µs
20 µs
500 Hz
20 µs
20 µs
450 nm
25 ... 45 mm
TK326_MAN_EXT_GB_V102
9