BOLTSCOPE PRO
- Bolt Tension Monitor
83
Note:
Since these are the first cal bar measurements taken, the
measurements have to be stored in column
A
. In fact, the most logical
approach would be to store the
3”
bar in
A1
, and the
6”
bar in
A2
.
However, if the glass block is the standard, store the
1”
side in
A1
,
2”
side
in
A2
, and the
3”
side in
A3
.
33) Place the transducer on the 3” bar in the exact location as before.
34) Press the
ENTER
key to save and document the current reading in the
highlighted cell location.
35) Repeat steps
33 & 34
for the 6” bar in location
A2
. Note: Repeat the
steps an additional time for the extra point on the glass block.
Note:
The
BOLTSCOPE PRO
is now properly zeroed and ready for action.
This next section demonstrates how to go back and verify if the probe zero value
is still linear and “In Spec” at a later time.
It’s important to note that user should
never have to change or re-calculate the probe zero value again, unless the
BOLTSCOPE PRO, transducer, or cable has been replaced
. If the transducer or
cable has changed, and the probe zero value re-calculated, the change in the
zero value should be very small. Therefore, if the zero is re-calculated and the
delta is very large, something else has gone wrong and the user should become
suspicious of the how well the probe zero was performed.
If we consider the initial probe zero value constant, as the hardware cal bars or
glass block have not been replaced, the future verifications should always show
an elongation value of +/- 0.0001”, in order to be considered “In Spec”. If the
probe zero is out of spec, the user should make adjustments only to the physical
temperature setting in the
BOLTSCOPE PRO
. In other words, the primary
reason the probe zero is out of spec is because the physical temperature of the
probe zero calibration standards has changed.
If the accessory temperature
sensor is being used, the sensor will automatically adjust the physical
temperature and the BOLTSCOPE PRO should be “In Spec” and displaying
an elongation value of 0.0000” +/- .0001”.
The next section outlines the
verification procedures.
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Страница 180: ...hydratight 174 6 Press the OK key to load the group from memory 7 Press the MEAS key to return to the measure screen...
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