Operation Tips; Technical Specifications - Velleman DVM8030 Manual Del Usuario

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Press the Func. button again to set the number of reflecting surfaces
the rotating device contains (e.g. when measuring the speed of a fan
with 5 reflective blades, set to 5). Use the
value. Range from 1 ~ 9. After 9, value returns to 1. Press the Func.
button to exit.
Note: For a normal measurement with 1 reflective marker, the number
must be set to 1.
When the battery indicator [F] is shown, replace the batteries (see §9).
Always place the sensor cover [1] back when the device is not in use.

7. Operation tips

Do not measure outside of the operating range ('OL' is displayed on the
LCD) and do not measure in places with high humidity. Refer to the
technical specifications for more details.
Make sure the device is at ambient temperature for accurate
measurements.
Remove the batteries when the device is not used for a long time.
8. Maintenance
Wipe the device regularly with a moist, lint-free cloth. Do not use
alcohol or solvents. DO NOT submerge the device in any liquid.
9. Batteries
To replace the batteries, make sure the device is switched off.
Open the battery cover at the back by sliding it downwards (away from
the sensor).
Take out the old batteries and replace them with 3 new and identical
1.5V AAA batteries following the polarity markings inside the battery
compartment.
Slide the battery cover back in place.
Do not puncture or throw batteries in fire. Dispose of batteries
in accordance with local regulations. Do not attempt to
recharge non-rechargeable batteries.
Keep batteries away from children.

10. Technical Specifications

LCD display
parameters
measuring range
V. 02 – 27/06/2013
DVM8030
6 digits
rpm, rps
100~30000 rpm, 1.7~500 rps
-button to increase the
6
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