Wireless Indicator User Guide 8 Ver 1.0
The L. S. Starrett Company 3/7/2022
Fig.8A
2.2 Setting the MIN/MAX/TIR Function
The Min/Max/TIR (Total Indicator Reading or Run-out ) function measures the minimum and the maximum values
of a surface (usually rotating) and then calculates the difference between them. (TIR),
Note: This function is only available with the advanced indicators.
1. Select the units to be displayed.
2. Bring the indicator down to the part being measured, to a point that is around half the travel of the indicator.
3. Lock in the indicator at this height.
Note: Care must be taken; to make sure the difference between the high and low measurements are not outside of
the travel of the indicator at setup. Either your low measurement will be wrong or your high measurement might
jam the spindle and damage your indicator.
4. Press the
MIN/MAX/TIR
button. The
MIN
icon will appear on the display.
5. Press the ZERO/ABS button to measure the part.
6. Move the part under the indicator to find the low spot.
You will know because the value will not change.
7. Press the
MIN/MAX/TIR
button. The
MAX
icon will appear on the display.
8. Press the ZERO/ABS button to measure the part.
9. Move the part under the indicator to find the high spot.
You will know because the value will not change.
10. Press the MIN/MAX/TIR button. The
TIR
icon will appear on the display,
and the display will show the value of the TIR. If recording this value,
do not allow the spindle to move until you have written or sent the
value by pressing the Wireless button, Fig.8B. Press the MIN/MAX/TIR
button to reset the indicator and remove the TIR icon from the display.
11. Replace the part being measured, and repeat the sequence starting at step two above.
MIN/
MAX/TIR
Press
1 - To start measuring in Min mode;
Then
2 - Next, to start measuring in Max mode;
Then
3 - To display the TIR value;
Press
Press
ZERO
ABS
ZERO
ABS
MIN/
MAX/TIR
MIN/
MAX/TIR
4 - To send a reading, press the
wireless button Fig.8C
Fig.8C
Fig.8B
