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- Page 1 P/N:110401111643X UT311A/UT312A Vibration Tester User Manual...
- Page 2 PREFACE Thank you for purchasing the new UT311A/UT312A vibration tester. In order to use this product safely and correctly , please read this manual thoroughly , especially the Safety Instructions part. After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to the device, for future reference.
- Page 3 UT311A/UT312A User Manual UT311A/UT312A User Manual 1. Introduction UT311A/UT312A is a handheld vibration tester which consists of acceleration sensor and digital display circuit. It is mainly used to measure vibration acceleration, velocity TABLE OF CONTENTS and displacement of mechanical equipment. It has the advantages of wide range, easy operation and convenient carrying.
- Page 4 UT311A/UT312A User Manual UT311A/UT312A User Manual 4. Safety Instructions 5.1 UT311A Components Please read the Safety Instructions carefully before use. A “Warning” identifies conditions and procedures that are dangerous to users. A “Caution” identifies conditions and procedures that can cause damage to the product or the equipment under test.
- Page 5 UT311A/UT312A User Manual UT311A/UT312A User Manual 3) Measure without a probe: It is used for measuring flat surfaces to obtain stable 6. LCD Indicators/Icons data, as shown below: Unlock/Lock the Lock measurement mode rotatable screen Battery status Data hold 4) Measure with the U-type magnetic sucker (UT312A only): It is used to measure flat or curved objects.
- Page 6 UT311A: 180×28×64mm (including the short probe); Product size UT312A: 168×28×64mm UT311A: About 191g (including the short probe); Product weight UT312A: About 364g (including the short probe) * EMC standard: EN IEC 61326-1:2021. Initial interface Start measuring...
- Page 7 UT311A/UT312A User Manual UT311A/UT312A User Manual (2) A, B, C and D are vibration levels. A means Good, B means Satisfactory, C 9. Maintenance 1) Operating environment: The vibration tester is a precision instrument, so it should means Not Satisfactory, D means Not Allowed. The measurement velocity RMS strictly avoid collision, percussion, damp, strong electricity, magnetic field, oil and value should be in the three orthogonal directions of the bearing housing.
- Page 8 UT311A/UT312A User Manual UT311A/UT312A User Manual e. ISO/IS2373 Motor Quality Standard According as Vibration Velocity H: High of shaft (mm), maximum vibration velocity RMS (mm/s) Quality rank 80<H<132 132<H<225 225<H<400 Normal 600~3600 600~1800 0.71 1.12 Good 1800~3600 1.12 600~1800 0.45 0.71...
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