Using The Product - testo 510 Bedienungsanleitung

Using the product

For velocity to be measured, the unit of density and density
value must be set correctly, see chapter ‚First steps', section
‚Basic settings (configuration mode)'.
 Switching the instrument on:
 > Press .
- Measuring mode is opened.
 Switching the display light on:
 The instrument is switched on.
 > Press .
- The display light goes out automatically if no key is
pressed for 10 seconds.
 Zeroing the measuring instrument:
The measurement values can be falsified by a change in the
position of the measuring instrument. After zeroing, the
position of the measuring instrument must not be changed.
Carry out zeroing before every measurement in order to
compensate faulty positioning or long-term zero-point drift.
Zeroing is only possible in a range of 0...25% of the
measuring range.
The instrument can only be zeroed in the range up to
10 hPa.
 > Press .
- Zeroing takes place.
 Changing the display view:
Adjustable views
· Current reading
· Hold: Readings are held.
· Max: Maximum values since the instrument was last switched on or last reset.
· Min: Minimum values since the instrument was last switched on or last reset.
· Hold Avg: Timed mean value calculation, see below.
 > Press several times until the desired view appears.
Using the product 15