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6 Operation
6
Operation
Thermal mass flow sensor
Familiarise yourself with the operation and programming of the
sensor. The sensor is calibrated ex factory and provided with de-
fault settings for each nominal width. Do not inadvertently change
these.
6.1.
Operation and display elements
The following illustration shows the control and display unit of the
sensor from above.
Number
Type
1
Green LED
2
Green LED
3
Green LED
4
Green LED
5
Green LED
6
Green LED
7
Yellow LED
8
Yellow LED
9
Four-digit alpha-
numeric display
28
Description
Flow rate [l/min]
Flow rate [m³/h]
Average speed [m/s]
Quantity counter [m³]
Gas temperature [°C]
10³
= the displayed value must be multiplied
by 1000
SP2
= display of the switch status: LED
illuminates when the respective output is
switched through
SP1
= display of the switch status: LED
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
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