UNI-T UT313, Operating Manual

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Page 2: ... product major components 4 V LCD Display 6 VI Select test method 8 VII Battery installation and check 10 VIII Power on and check battery status 12 IX Function operation instruction 14 X Maintenance 22 XI Warranty 24 XII Certificate 24 XIII Technical Index 25 Appendix 27 Contents ...

Page 3: ...and metallurgy etc II Configuration home computer One piece handle accessory machine One piece 9V battery One piece English manual One warranty card One piece long probe One piece short probe One piece magnetic chuck One piece III Property LCD provides intuitive display of measurement value and measurement status Measurable acceleration velocity shift Can select different vibration frequency prope...

Page 4: ...5 Data hold function Data storage function IV Instructions about product major components power on and keep pressing LCD will hold full display 1 second Stop pressing it starts working press key POWER again to power off POWER key press the key until again to cancel holding data maximum value Key A Acceleration measurement Key V Velocity measurement Key D displacement measurement HOLD key HOLD data...

Page 5: ...nction set key Data down turning USB communication automatic power off and storage time setting ENTER key confirm LCD liquid crystal display Sensor connecting wire Probe long short probe and magnetic suction pad for option V LCD Display 1 Battery symbol indicates present remaining electricity Four grades 3 bars sufficient electricity 2 bars rather sufficient 1 bar electricity will be depleting ple...

Page 6: ...AX maximum value measurement indicator 18 Measurement data value display area 15 Automatic power off function indicator VI Select test method Please select test method based on real status four statuses 1 Use short s probe to measure it is installed with the machine and applicable to wide scope vibration measurement it can acquire effective response numerical value as shown in the following illust...

Page 7: ... following illustration 4 Remove hardware probe to measure used in plain object surface measurement to acquire stable data as shown in the following illustration VII Battery installation and check Install battery Hold apparatus press battery door with right thumb open battery door from the arrow pointed direction as shown in the following illustration ...

Page 8: ...attery holder correctly aware of battery polarity and then close battery holder door as shown in the following illustration VIII Power on and check battery status 1 Press POWER key to power on As shown in the following illustration Press down ...

Page 9: ...ly as shown in the following illustration Press POWER key to power off immediately IX Function operation instruction 1 Acceleration measurement 1 Press key A to enter into acceleration measurement mode with fault status being acceleration measurement mode m s2 LCD screen shall display aP indicators of 10 10kHz and m s2 are as follows 2 Use probe to measure object according to the selected way and ...

Page 10: ...s of 10 1kHz and cm s are as follows 2 Use probe to measure object according to the selected way and measurement result shall display in data value display area of LCD as shown in the following illustration 3 Displacement measurement 1 Press key D to enter into velocity measurement mode and LCD screen shall display dp p indicators of 10 500Hz and mm are as follows ...

Page 11: ...e LCD screen shall display indicator of DATA and store the present measurement value manually DATA signal shall disappear after about 0 5 second press key REC to conduct next position data storage Press REC for a long time to enter into automatic data storage mode indicator of DATA on LCD screen shall flicker continuously and store the present measurement value automatically 5 Reading holds measur...

Page 12: ...999 it shall back to the first record number and corresponding storage value press REC to back to the first record number and corresponding storage value Under the mode only the above keys and can be used except for others Press the key to exit the mode 9 Delete record data Method1 before start machine press key CLEAR and POWER in the same time stop pressing key POWER until LCD screen display CLR ...

Page 13: ... is open LCD shall display indicator and press key or to set AP00 Able to use short probe s to measure high low frequency scope vibration respectively Notes Long probe L is only applicable to low frequency measurement when measurement accelerated and frequency exceeds 1 kHZ please replace short probe to measure again It will be powered off automatically 3 minutes later if without any operation X M...

Page 14: ...indow please XI Warranty 1 As regard warranty clause please refer to the provided warranty card 2 Dismantle of product by user at his discretion damage after purchase resulted by improper use and altering of the warranty card and without voucher may be excluded from such warranty coverage XII Certificate Vibration certificate comply with the following standards EN61326 1 2006 ...

Page 15: ...ndex Technical index Piezoelectric accelerometer 0 01cm s 19 99cm s true valid value 0 001mm 1 999mm peak peak value 5 2dgts Acceleration measurement frequency scope 10HZ 10kHZ Velocity measurement frequency scope 10HZ 1kHZ Displacement measurement frequency scope 3 1 2 bit digit display 1 second 9V alkaline battery 1uA 25mA Press backlight key to shut off Automatic shut off after about 3 minutes ...

Page 16: ...I is large original electric motor hard base grade IV is large original electric motor plastic base 2 A B C D is the vibration rating Ais great B is satisfactory C is discontent and D is not allowed The measurement velocity RMS value shall be on the orthogonal intersection direction of shell bearing b the maximum allowable vibration for electric motor higher than 1 horsepower NEMA MG1 12 05 3000 4...

Page 17: ...working rotating speed c the maximum allowable vibration for large electric motor NEMA MG1 20 52 Peak peak displacement amplitude Rotating speed 3000 and higher 25 4 1500 2999 999 50 8 1000 1499 63 6 76 2 The above two standard are formulated by National Electrical Manufacturers Association NEMA e ISO IS2373 the electric quality standard based on vibration speed amplitute 80 H 132 132 H 225 225 H ...

Page 18: ...31 Grade N limit value recommended in the table is only applicable to common electric motor ...