6 – 13
Transpector SPS Operating Manual
Upper And Lower Pressure Limits
15
Press
. The current lower limit is displayed. The display will alternately
flash
n_1
and a number representing the lower pressure limit.
16
Press
to change the lower limit to 58 psi.
16a
The least significant digit will flash and can be changed using
or
.
16b
Press
to set the digit to the desired number.
16c
The next digit will flash.
16d
Change the digit using either
or
, then press
.
16e
Continue this process until 58.0 is achieved.
16f
Press
. The display will flash 58.0 with a vertical bar showing to the
left of the 58.0.
17
Press
. The current upper limit is displayed. The display will alternately
flash between
n_2
and some number representing the upper pressure limit.
Follow the same procedure (refer to
) to set the upper limit to 100 psi.
6.6.2 How to Test for Proper Settings
With zero pressure applied, the display will show 0 pressure (small negative
numbers are acceptable) and the display will be colored red.
NOTE:
The following test assumes the pressure unit is psi.
Apply a pressure of slightly greater than 58 psi and the display color should
illuminate in green. Increase the pressure slightly greater than 100 psi and the
display color should illuminate in red. Set pressure to a nominal 80 psi operating
condition and the display color should illuminate green.
In normal operating conditions, the display is red when the pressure is below 58 psi
or above 100 psi.
Interlocks ensure that the system will not be damaged by an air pressure failure
and the Transpector SPS will shut itself safely down after ten seconds.
