GE TransPort PT878 User Manual page 182

Chapter 8. Servicing the PT878
Dual-Point Calibration (cont.)
Press the [
1.
The first prompt asks you to choose between single and dual-point
2.
calibration. Use the [ ] and [ ] arrow keys to move to the Dual radio
button and press
The next prompt asks you to enter the length of Block 1. (If you are
3.
using a GE-supplied test block, the length is printed on the block.)
Press
[ENTER]
a.
Use the numeric keys to enter the length.
b.
Press
[ENTER]
c.
Press [ ] to move to the Calibrate button, and press
4.
prepare for calibration. Then apply couplant B to the Block 1 surface,
and hold the transducer against the block.
When you have the transducer firmly pressed against the block and the
5.
Ready button appears, press
Note:
For single-point calibration, skip to step 9.
The next prompt asks you to enter the length of Block 2.
6.
Use the arrow keys to move to the Block 2 text box.
a.
Press
[ENTER]
b.
Use the numeric keys to enter the length.
c.
Press
[ENTER]
d.
Press [ ] to move to the Calibrate button, and press
7.
prepare for calibration. Then apply couplant B to the block surface, and
hold the transducer against the block.
When you have the transducer firmly pressed against the block, press
8.
[ENTER] (Ready button) again to perform the calibration.
Hold the transducer steady until the Set button appears. Press
9.
to store the calibration.
166
] arrow key to enter the window.
.
[ENTER]
to open the text box.
to confirm the entry.
[ENTER]
to open the text box.
to confirm the entry.
Transport® Model PT878 Portable Liquid Flowmeter User's Manual
again to perform the calibration.
to
[ENTER]
to
[ENTER]
[ENTER]