DMT 560TP, Руководство пользователя

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15 TISSUE PULLER - MODEL 560TP - USER MANUAL
CHAPTER 4 - MAINTENANCE
4.1 Checking the force transducer
The 560TP force transducer is a strain gauge connected to a Wheatstone bridge. The force transducer is housed in a separate,
protective compartment (see figure 4.1 below). While the protective cover offers some mechanical protection for the force trans-
ducers, it is still very vulnerable to applied forces exceeding 1 Newton (100 grams) or fluid running into the transducer compart-
ment due to inadequate greasing of the transducer pinhole (see chapter 4.3 Maintenance). If the force readings in MyoPULL ap-
pear unstable or noisy, then perform a new calibration of the force transducer as described in chapter 2.4. During the calibration
monitor the relative force reading values in the FORCE CALIBRATION sub-menu in the MyoPULL Software. The normal operating
values for the force transducer during calibration should be between 3000 and 3500.
• If the value is 0, a single digit, or a three digit number, the force transducer is broken and needs to be replaced.
• If the value is less than 2000 or greater than 4500, the force transducer is broken and needs to be replaced.
In addition, if the force reading cannot be reset to zero AND the transducer cannot be recalibrated, the force transducer is broken
and needs to be replaced. If any other problems related to the force transducer are encountered, please contact DMT for advice
or further instructions.
Figure 4.1
Illustration of the transducer compartment