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Section 3 - Maintenance

23

3. Maintenance

This section shows how to check the performance of the Velomitor® Sensor.
Table 3-1 lists the recommended maintenance equipment. If the required
equipment is not available, contact the nearest Bently Nevada LLC field office, or
a testing laboratory for testing.

Table 3-1. Recommended Maintenance Equipment

Recommended Equipment

Specification

MB Dynamics

Model PM50 Exciter Shake Table

MB Dynamics, Model 2250 Power
Amplifier

Krohn-Hite Model 1200A Function
Generator (Bently Nevada P/N 02280852)

Bently Nevada LLC

Model 330180-50-00 Proximitor

®

Sensor

Model 330101-00-08-10-02-00 Probe

Model 330130-040-00-00 Extension
Cable

Power Supply, Bently Nevada TK15

-24.0 Vdc with minimum output current of
20 mA and less than 5 mV peak-peak
noise

AISI 4140 Steel Target Material

0.030 inch (0.762 mm) thick, 0.85 inch
(21.6 mm) diameter, 16 µin pp (0.41 µm
pp)

3 mA (Motorola P/N 1N5309) current
diode Bently Nevada P/N 00643485

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

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Содержание 330500

Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...y Nevada Asset Condition Monitoring Operation Manual 330500 Velomitor Sensor 330525 Velomitor XA Sensor 330530 Radiation Resistant Velomitor Sensor Artisan Technology Group Quality Instrumentation Gua...

Страница 3: ...chinery HydroScan HydroView Key Keyphasor Machine Condition Manager 2000 MachineLibrary Machine Manager MicroPROX Move Data Not People Move Information Not Data NSv Prime Spike PROXPAC Proximitor REBA...

Страница 4: ...sal Statement Customers and third parties who are not member states of the European Union who are in control of the product at the end of its life or at the end of its use are solely responsible for t...

Страница 5: ...3 2 Routing Cable for Velomitor Sensor 330525 19 2 3 3 Routing Cable for Velomitor Sensor 330530 19 2 3 4 Routing Armored Cable 22 2 3 5 Sealing the Connecting Cable 22 3 Maintenance 23 3 1 Test Setu...

Страница 6: ...must faithfully transmit a significant amount of rotor vibration to the machine casing or mounting location of the sensor Exercise care when physical installing of the sensor on the bearing housing o...

Страница 7: ...ocity sensors Because the Velomitor Sensor contains no moving parts it is also more durable and less sensitive to transverse motion than traditional seismic transducers Its piezoelectric sensing eleme...

Страница 8: ...rcuitry 1 3 Ordering Options and Accessories 1 3 1 Velomitor Sensor Options When ordering a Velomitor Sensor you may choose from the following list of options Table 1 1 Ordering Information Part Numbe...

Страница 9: ...2 13 UNC P N 161191 1 3 2 Mounting Adapters Option AA The base of the 330500 and 330530 Velomitor Sensor are machined with a 3 8 24 internal thread that will accommodate a variety of purchased or cus...

Страница 10: ...se refer to Bently Nevada data sheets 143694 01 and 141516 01 respectively Connections to the A and B terminals of the Velomitor Sensor are made through the terminal connector of the interconnect cabl...

Страница 11: ...internal terminations Velomitor Sensor input 2 Wiring shown for Channels 1 and 2 Wiring typical for Channels 3 and 4 3 Channel 1 Velomitor Sensor 4 Channel 2 Velomitor Sensor 5 Velomitor Sensor top v...

Страница 12: ...tions Velomitor Sensor input with external barriers 3 Safe area or Zone 2 Division 2 4 Hazardous area 5 Channel 1 Velomitor Sensor 6 Channel 2 Velomitor Sensor 7 Velomitor Sensor top view Figure 1 3 3...

Страница 13: ...ion 2 Channel A recorder output 3 Channel B recorder output 4 Alert relay contacts 5 Danger relay contacts 6 Signal input relay module dual relays 7 Channel A Velomitor Sensor 8 Channel B Velomitor Se...

Страница 14: ...cable with a connector adapted for use with the 21128 Velocity Transducer Housing Assembly Bulk Cable 02173006 Two conductor shielded 18 AWG bulk cable Specify number of feet Spare Connector 00531061...

Страница 15: ...7 6 m MINIMUM LENGTH 2 FEET 0 61 m MAXIMUM LENGTH 99 FEET 30 m 1 Cable 2 22 AWG conductor shielded Teflon insulated 2 Clear shrink tubing 63 5 mm 2 5 in 3 51 mm 13 mm 2 00 in 0 5 in 4 A white 5 B blac...

Страница 16: ...96 FEET 29 m 1 Stainless steel armor over cable 2 Clear shrink tubing 63 5 mm 2 5 in typical 3 635 mm 76 mm 25 0 in 3 00 in 4 51 mm 13 mm 2 00 in 0 5 in 5 A white 6 B black 7 126 mm 13 mm 5 00 in 0 5...

Страница 17: ...ER IN INCREMENTS OF 1 0 FOOT 0 30 m EXAMPLE 1 2 12 FEET 3 7 m 2 5 25 FEET 7 6 m MINIMUM LENGTH 2 FEET 0 61 m MAXIMUM LENGTH 99 FEET 30 m 1 Schematic 2 A white 3 B black 4 SHLD green 5 Overall length 1...

Страница 18: ...or shielded and jacketed cable 17 Green 4 15 32 single snap grip hose clamp 11 Approvals label 18 White 5 BN part number and serial number label 12 B black 19 Black 6 A white 13 SHLD green 20 Figure B...

Страница 19: ...elomitor Sensor Operation Manual 14 NOTE ORDER IN INCREMENTS OF 3 0 METER 9 8ft EXAMPLE 1 0 10 METER 33 ft 2 5 25 METER 82 ft MINIMUM LENGTH 1 METER 3 3 ft MAXIMUM LENGTH 25 METER 82 0 ft Artisan Tech...

Страница 20: ...126 mm 13 mm 5 00 in 0 5 in 7 SHLD green 8 Overall length 150 mm 6 0 in Figure 1 9 330533 Cable for use with 330530 Velomitor Sensor Application Advisory This cable is not like most other Velomitor ca...

Страница 21: ...46122 01 Super Mag 100 Quick temporary method for mounting a velocity transducer Requires a 1 4 28 UNF Velomitor Sensor adapter stud 46000 01 Junction Boxes Weather proof or explosion proof housing fo...

Страница 22: ...ne casing that is most responsive to vibration Proper placement is often dependent on the application Bently Nevada offers Machinery Diagnostic Services which can help determine the best place to moun...

Страница 23: ...unting site for the transducer Step 4 Drill and tap the mounting hole to the dimensions required by the 1 4 18 NPT stud Standard drill size and depth is 7 16 inch and 0 90 inch respectively Drill the...

Страница 24: ...ector must be compatible with the 330525 Velomitor Sensor connector The 106765 AA cable assembly includes a quick connect disconnect connector and clamps to secure and seal the splash resistant boot T...

Страница 25: ...terials that are tolerant to gamma radiation but the life of the cable can be extended if during installation the cable should be routed in a manner to shield or keep the maximum distant between the c...

Страница 26: ...SHLD 4 Capacitor 0 01uF to 0 05 minimum of 300 V 5 Feed through Terminal Block Outside Containment 6 Feed through Terminal Block Inside Containment 7 Velomitor Sensor Connector 8 Typical Monitor 9 Wa...

Страница 27: ...1 mm 2 3 5 Sealing the Connecting Cable When conduit enclosed cable is routed through oil or gaseous environments seal the ends of the conduit to prevent leakage into the protected enclosure Table 2 1...

Страница 28: ...ble MB Dynamics Model 2250 Power Amplifier Krohn Hite Model 1200A Function Generator Bently Nevada P N 02280852 Bently Nevada LLC Model 330180 50 00 Proximitor Sensor Model 330101 00 08 10 02 00 Probe...

Страница 29: ...al 24 3 1 Test Setup 1 Oscilloscope 2 Proximitor Sensor 1 Pin B black 2 Pin A white 3 Probe 4 Velomitor Sensor 5 Target 6 Shake table 7 Power amplifier 8 Signal generator 9 3 mA current diode 10 24Vdc...

Страница 30: ...xtension cable P N 330130 040 00 00 and Proximitor Sensor P N 330180 50 00 Step 5 Apply 24 Vdc power to the Proximitor Sensor and monitor the output with a voltmeter or oscilloscope Note The accuracy...

Страница 31: ...h per second 25 4 mm s Step 2 Verify that the output of the velocity sensor is between 095 and 105 volts peak to peak 0336 to 0371 Vrms If the output is not in this range return the unit to the factor...

Страница 32: ...onnector and the mating part of the sensor both are free of any foreign debris If required clear out material before connecting parts to prevent shorting out of the signal Artisan Technology Group Qua...

Страница 33: ...se Solution Bently Nevada Monitor OK LED is off Monitor Power is off Check that the monitor power supply is plugged in and power is on Interconnect cable is disconnected connected loosely or connected...

Страница 34: ...ve foreign debris Step 3 Repeat resistance measurement of step 1 Replace sensor if resistance is not 1M or greater 4 3 Fault Indication 3 Cause Solution Monitor is indicating transducer is OK not OK i...

Страница 35: ...plitude Linearity 2 to 6 0 in s peak Mounted Resonant Frequency 12 kHz minimum Power Requirements DC Voltage 22 to 30 Vdc Bias Current 2 5 to 6 0 mA Output Bias Voltage 12 0 3 0 Vdc Over Temperature R...

Страница 36: ...s 5 at 100 Hz 4 mV mm s 100 mV in s 10 at 100 Hz Frequency Response 0 9 dB 6 0 Hz to 2 5 kHz 3 0 dB 4 5 Hz to 5 0 kHz 1 0 dB 6 0 Hz to 2 5 kHz 3 0 dB 4 5 Hz to 5 0 kHz Velocity Range 635 mm s 25 in s...

Страница 37: ...test summary 5 2 3 Mechanical Weight 150 g 5 3 oz typical Dimensions See Figures 5 1 Case Material 304L Stainless Steel Connector 2 pin Mil C 5015 hermetically sealed 304 stainless steel shell Mounti...

Страница 38: ...25 4 mm 1 00 hexagonal 2 MIL C 5015 stainless steel receptacle 2 pin 5 8 24 UNEF 2A 3 3 8 24 UNF 2B x 25 DP minimum C bore 50 x 03 DP Notes 1 Dimensions are in millimetres inches 2 Finished machine s...

Страница 39: ...5 5 1mm 0 20 14 2mm 0 56 70 1mm 2 76 27 8mm 1 10 1 1 2 3 1 25 4 mm 1 00 hexagonal 2 MIL C 26482 stainless steel receptacle 2 pin 3 1 4 18 NPT Notes 1 Dimensions are in millimetres inches 2 Finished ma...

Страница 40: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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