Maintenance; Calibration Check; Recommended Maintenance Equipment; Introduction - GE Bently Nevada 7200 Series Installation Manual

14 mm Proximity Transducer System 7200 Series Installation Manual

3.1 INTRODUCTION

This section contains calibration and troubleshooting procedures. The recommended maintenance
equipment is given in Table 3-1. If the recommended equipment is not available, equivalent
instruments can be used. Any maintenance performed by the user, other than that which is specified
herein, may void the warranty.
MAINTENANCE EQUIPMENT
Digital Multimeter
Test and Calibration Kit
Variable Resistor
Soldering Iron
Power Supply

3.2 CALIBRATION CHECK

Successful completion of the following procedure assures proper transducer calibration.
a. Connect test equipment as shown in Figure 3-1.
b. Adjust the spindle micrometer on the TK3 test and calibration kit until it indicates 20 mils (0.51
mm).
c. Insert the probe into the TK3 probe holder. Adjust the probe in the holder until the digital
multimeter indicates -2.00 ±0.01 Vdc and tighten the probe in the fixture. Do not contact the
probe tip.
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3. MAINTENANCE

Table 3-1. Recommended Maintenance Equipment
Hewlett-Packard Model 3465 A/B
Bently Nevada Corporation Model TK3-2E or
TK3-2G
0 to 10k ohms
Weller Model SP23
Hewlett-Packard Model 6215A
RECOMMENDED EQUIPMENT