Measuring Elongations - Check-line MINI-MAX Operation Manual

Bolt tension monitor
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Important Note: Always be sure to attach the transducer in the same exact
location if it will be removed in between reference lengths and elongation
measurements. This will eliminate any potential sound path error caused
by moving the transducer to a completely different location on the bolt, thus
causing potentially erroneous measurements. Be consistent and as
methodical in your methods as possible. This will help to avoid transducer
placement errors.
5) Press the AUTO SET key, located in the bottom left corner of the
keypad, to locate the detection point, or end of the bolt.
6) Press the ENTER key to save the current approximate length in the
highlighted cell location.
Note: If the measurement was save in error, press the CLR key at anytime
to clear the stored reading and re-measure using the steps 4 – 6 above.
Note: The Group View Box can be aborted a t any time by pressing the
MEAS key.

3.7 Measuring Elongations

Now that the reference lengths have been measured and saved, we're ready to
start measuring elongation values. We'll start off by assuming the bolt has been
stretched or tightened, the transducer has been once again coupled to the bolt in
the same location as before, and we're ready to measure the elongation as
follows:
Important Note (recap): Always be sure to attach the transducer in the
same exact location if it will be removed in between reference lengths and
elongation measurements. This will eliminate any potential sound path
MINI-MAX Ultrasonic Bolt Tension Monitor
Measuring an Elongation

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