Amprobe TACH-10 Contact-NonContact-Tachometer - Manual (Page 14)

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Weight ~90g (0.2 lb)
Battery 9V battery
LCD size 15(H)x33(W)mm (0.6 x 1.3 IN)
Power consumption 5uA(Idle), 18mA(measurement)
Time base 4.0Mhz Quartz Crystal
Sampling time 1 second (>60RPM),
>1 second (10~60RPM)
Measure distance 5~30cm / 2~13 IN (non-contact)
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- EMC: Conforms to EN61326-1.
This product complies with requirements of the
following European Community Directives: 89/ 336/
EEC (Electromagnetic Compatibility) and 73/ 23/ EEC
(Low Voltage) as amended by 93/ 68/ EEC (CE Marking).
However, electrical noise or intense electromagnetic
fields in the vicinity of the equipment may disturb the
measurement circuit. Measuring instruments will also
respond to unwanted signals that may be present within
the measurement circuit. Users should exercise care
and take appropriate precautions to avoid misleading
results when making measurements in the presence of
electronic interference.
MAINTENACE AND REPAIR
Make sure the electrode is clean! Between
measurements, rinse the electrode with deionised water.
If the eletrode has been exposed to a solvent immiscible
with water, clean it with a solvent miscible with water
e.g. ethanol or acetone and rinse carefully with water.
Store the electrode carefully! Before storing, rinse it
carefully in deionized water and store WET.
Do not contact measure rotating speed exceeds the
measuring ranges. It may cause physical injury or meter
damage.