EN 7
hot-wire anemometer TA300
Performing an averaging calculation over a specific time
period
1. Press and hold the MEANbutton(9) for approx. 2s.
ðMEAN will be displayed. You are now in the calculation
mode for the determination of an average value based
on the values measured over a specific time period.
2. The time will be indicated in the upper half of the display.
3. Slide the silver-coloured sensor cover downwards to
measure the air values.
4. Then extend the sensor to the desired length.
5. Press the FLOW/TEMP button(12) to start the calculation.
6. Press the Enterbutton(7).
ðThe calculation process will be initiated.
7. You can repeatedly interrupt and resume the measurement
process by pressing Enter(7).
8. In order to stop measuring, press MEAN(9).
ðMEAN starts flashing.
ðThe calculated average value will be displayed.
In order to return to the standard measurement process, press
the MEANbutton(9) one more.
Freeze function
1. Briefly press the HOLD/ZERO button(10).
ðThe current value will be held.
2. Press the HOLD/ZERO button(10) again for approx. 2s to
reset the value to zero.
Changing the unit
1. Press the Unit button(8) to display the velocity in
either m/s, km/h, ft/min, mph or knots.
2. Press the Unit button(14) to switch between °C and
°F on the temperature scale.
3. If the device is in flow mode, you can switch between the
units CFM and CMM by pressing the Unit (14) button.
Displaying MIN/MAX values
The minimum (MIN) and maximum (MAX) values can be
determined via a measurement interval.
1. Press the MAX/MIN button(13).
ðIf you press the button once, you can view the
maximum value.
ðIf you press it twice, you can view the minimum value.
2. Press the MAX/MIN button(13) for approx. 2s to return to
the normal measuring mode.
Changing the menu options
The menu can be used for changing the units for volumetric
flow, the cross-section of the flow channel and the automatic
switch-off.
To access the setup menu, please proceed as follows:
1. Press and hold the Setup button(15) for approx.
3seconds.
ðThe word "Setup" appears when you are in the menu.
2. Press the Unit (14) or Unit (8)button to choose the
desired menu item you want to edit.
3. For changing the options, follow the instructions in the
following chapters.
Changing the unit for the assumed cross-section of the
flow channel
1. In the menu, select the menu item Unit and confirm by
pressing Enter(7).
ð"AREA" appears under the menu item "Unit".
2. Now change the units by means of the unit buttons.
3. Press the key(7) again to confirm your entry.
ðYou have now changed the unit for the assumed cross-
section of the flow channel.
Changing the volumetric flow profile
1. In the menu, select the menu item "AREA" and confirm by
pressing the Enter(7) button.
ðThe 4-figure number AREA flashes.
2. Change the position of the decimal point one digit to the
left by pressing the Unit (8) button.
3. Change the position of the decimal point one digit to the
right by pressing the Unit (14) button.
4. Press the Enterbutton(7).
ðThe rightmost digit flashes.
5. Use the Unitbuttons to change the value.
6. To move to one digit to the left, press the MEAN(9) button.
7. This is how you change other digits as well.
8. Press the Enterbutton(7) to save the settings.
ðYou have now changed the volumetric flow profile.
Automatic switch-off
1. In the menu, select the menu item "SLP" and confirm by
pressing the Enter(7) button.
2. Use the Unit buttons to select ON or OFF and confirm again
by pressing the Enter(7) button.
ðYou activated or deactivated the automatic switch-off
function.
Setting the background illumination
The display comes with a background illumination that can be
switched on as needed.
Press the Setup / illumination button(15) to switch the
background illumination on or off.
Switching the device off
Press the On/Off button(11) to switch the device off.
