Types Of Operation - TESTO 6448 Instruction Manual

Compressed air counter probe
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5 Operation
Number
Type
8
Yellow LED
9
Four-digit
alphanumeric
display
10
MODE / ENTER
programming
button
[Mode/Enter]
11
SET
programming
button
5.1.1.

Types of operation

Run mode
After switching on the supply voltage, the instrument is in run
mode. It carries out its measurement and evaluation functions and
provides output signals according to the set parameters.
The display shows the current measurement values and the yellow
LEDs show the switch status of the outputs.
The display unit can be temporarily changed (press the
briefly). After 15 seconds, the instrument returns to the display unit
that was set in the
28
Description
SP1
illuminates when the respective output is
switched through
Display of the current volume flow
Display of the average speed
Display of the current consumption quantity
Display of the parameters and parameter
values
Indication of the voltage level of the
switching input or output
Selection of the parameters and
confirmation of the parameter values
Setting the parameter values
Changing the display unit in run mode
[Set]
In general, the following applies as the display value:
LED 1 (l/min) x 1000 (LED 6 = 10³ also illuminated) =
1 m³/min
From DN 150 upwards, the following applies: LED 2
(m³/h) display value x 1000 (LED 6 = 10³ also
illuminated) = 10.0 (display value), corresponds to
10,000 m³/h
UNI
menu item.
= display of the switch status: LED
[Set]
button

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