Scanning Of Led's - ZERA TK326 Operation Manual


Comment for difficult scanning meters:
If the adjustment is difficult, place the scanning head a little bit closer or diagonal to the
rotor disk and adjust it again.

If wrong marks are detected additionally, place the scanning head a little further from the
rotor disk.

The density of the scanning head falls with rising of illumination of the room. It might be
advantageous to darken the room. Avoid direct sunlight.

2.2. Scanning of LED's

For the scanning of LED's place the scanning head in front of the LED in approx. 35 mm
distance. The switch on the rear side must be in the lower position („LED" see chapter 2.3.2.).
The potentiometer of the TK326 has no influence on scanning. The scanning head is
positioned in front of the diode to be scanned in approx. 35 mm distance. The diode on the
rear of the scanning head flashes in time with the pulse transmission.

For difficult scanning meters:
The density of the scanning head falls with rising of illumination of the
advantageous to darken the room avoid direct sunlight.
Scanning Head TK326
TK326_MAN_EXT_GB_V102
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room. It might be