14. Maintenance
Important: Repair or servicing should only be carried out by Compact Instruments.
Warning for A2109
1. The A2109 is not intended to be exposed to dusty conditions.
2. If excessive wear/corrosion has taken place to the plating on the housing and another colour begins to show
through, the unit must be returned to Compact Instruments for attention.
3. The A2109 should not be subjected to mechanical or thermal stress, nor should it be subjected to any aggres-
sive substances.
Note
This instrument has been designed such that it will not give rise to injury or other harm due to contact, nor will
it produce excessive heat, infrared, electromagnetic or ionising radiation, nor does it have any non-electrical
dangers.
15. Spare parts and accessories
Designation
Description
A2100/01
Contact adapter
RT/PACK
Reflective tape
16. Model coding
A2109/LSR
Standard laser tachometer.
A2109/LSR/002 Laser tachometer with pulse output.
A2109/LED
Standard LED tachometer.
A2109/LED/002 LED tachometer with pulse output.
Safety label
Warning: Do not look directly into the light source.
In line with our policy of continual development of our products we reserve
the right to alter any part of the above specification without prior notice.
Although care has been taken to ensure the accuracy of this publication, Compact Instruments does not assume
any liability for errors or omissions.
14071 Issue 2.5
A2109 Controls layout
Explanatory label
Page 7