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VB290
Vibration Meter
Operation Manual

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Summary of Contents for Tekneka VB290

  • Page 1 VB290 Vibration Meter Operation Manual...
  • Page 2: Table Of Contents

    TEKVB290/en_V0.1 Operation Manual TABLE OF CONTENTS 1 FEATURES..............1 2 SPECIFICATIONS............2 2-1 General Specifications.......... 2 2-2 Electrical Specifications........4 3 FRONT PANEL DESCRIPTION........7 3-1 Display..............8 3-2 Power Button............8 3-3 Hold/ESC Button ..........8 3-4 REC/ENTER Button ..........8 3-5 FUNCTION/SEND Button........8 3-6 UNIT/LOGGER Button..........
  • Page 3: Features

    TEKVB290/en_V0.1 Operation Manual 1. FEATURES * Applications for industrial vibration monitoring : All industrial machinery vibrates. The level of vibration is a useful guide to machine condition. Poor balance, misalignment & looseness of the structure will cause the vibration level increase, it is a sure sign that the maintenance is needed.
  • Page 4: Specifications

    TEKVB290/en_V0.1 Operation Manual 2. SPECIFICATIONS 2-1 General Specifications Display 52 mm x 38 mm, LCD display. 16 mm ( 0.63" ) digit size. With bar graph indicator. Measurement Velocity, Acceleration, Displacement Main Function RMS, Peak, Max. Hold. Others Data hold, Max. & Min. value, Data logger.
  • Page 5 TEKVB290/en_V0.1 Operation Manual Data output RS 232 serial output, isolate. Operating 0 to 50 ( 32 to 122 temperature Operating Less than 80% RH. humidity Power supply Alkaline or heavy duty type, DC 9V battery, 006P, MN1604 (PP3) or equivalent. Power Approx.
  • Page 6: Electrical Specifications

    TEKVB290/en_V0.1 Operation Manual 2-2 Electrical Specifications Acceleration ( RMS, Peak, Max Hold ) Unit Range 0.5 to 199.9 Resolution Accuracy ± ( 5 % + 5 d ) reading @ 160 Hz, 80 Hz, 23 ± 5 Calibration ( 160 Hz ) Point @ 1 G = 9.8 Unit...
  • Page 7 TEKVB290/en_V0.1 Operation Manual Velocity ( RMS, Peak, Max Hold ) Unit mm/s Range 0.5 to 199.9 mm/s Resolution 0. 1 mm/s Accuracy ± ( 5 % + 5 d ) reading @ 160 Hz, 80 Hz, 23 ± 5 Calibration 50 mm/s ( 160 Hz ) Point Unit...
  • Page 8 TEKVB290/en_V0.1 Operation Manual Displacement p-p ( RMS, Max Hold ) Unit Range 1.999 mm Resolution 0.001 mm Accuracy ± ( 5 % + 5 d ) reading @ 160 Hz, 80 Hz, 23 ± 5 Calibration 0.141 mm ( 160 Hz ) Point Unit inch...
  • Page 9: Front Panel Description

    TEKVB290/en_V0.1 Operation Manual 3. FRONT PANEL & LAYOUT DESCRIPTION Fig. 1...
  • Page 10: Display

    TEKVB290/en_V0.1 Operation Manual Fig. 2 3-1 Display 3-2 Power Button 3-3 Hold/ESC Button 3-4 REC/ENTER Button 3-5 FUNCTION/SEND Button 3-6 UNIT/LOGGER Button 3-7 Battery Cover/Compartment 3-8 RS232 Output terminal 3-9 BNC socket of meter 3-10 BNC plug of cable 3-11 Mini plug of cable 3-12 Input socket of vibration sensor 3-13 Vibration sensor 3-14 Magnetic base...
  • Page 11: Measuring Procedure

    TEKVB290/en_V0.1 Operation Manual 4. MEASURING PROCEDURE 1) Plug in the " BNC plug of cable " ( 3-10, Fig. 2 ) to the " BNC socket of meter " ( 3-9, Fig. 1 ). 2) Plug in the " Mini plug of cable " ( 3-11, Fig. 2 ) to the "...
  • Page 12 TEKVB290/en_V0.1 Operation Manual 5) UNIT SELECTION : Select the desired display unit by pressing the " UNIT Button " ( 3-6, Fig. 1 ). The unit can be selected as : Measurement Metric unit Imperial unit Acceleration Velocity mm/s, cm/s inch/s Displacement inch...
  • Page 13: Zero Adjustment Procedure

    TEKVB290/en_V0.1 Operation Manual 7) Data Record ( Max., Min. reading ) The DATA RECORD function displays the maximum, and minimum readings. a. Get into RECORD mode by momentarily pressing " REC Button " ( 3-4, Fig. 1 ) once. REC icon will be ON. b.
  • Page 14: Power Management

    TEKVB290/en_V0.1 Operation Manual 4)Set the function and the unit to " ACC, RMS " . 5) Keep the vibration sensor motionless, no signal into the vibration sensor. 6) Press the " HOLD Button " ( 3-3, Fig. 1 ) continuously at least 2 seconds will let the display reach zero value.
  • Page 15 Operation Manual TEKVB290/en_V0.1 Auto data logger If the data sampling time already set to 1, 2, 10, 30, 60, 600, 1800 or 3600 second, then the meter can be executed the auto data logger function. The procedures that to set the data logger sampling time, please refer page 14.
  • Page 16 Operation Manual TEKVB290/en_V0.1 Manual data logger If the data sampling time already set to 0 second, then the meter can be executed the manual data logger function. The procedures that to set the data logger sampling time, please refer page 14. 1.
  • Page 17 Operation Manual TEKVB290/en_V0.1 3. Press the " UNIT Button " ( 3-6, Fig. 1 ) once a while will change the sampling time ( 1, 2, 5, 10, 30, 60, 600, 1800, 3600 seconds ). After the desired sampling be selected, then press the " REC Button " ( 3-4, Fig. 1 ) to save.
  • Page 18: Memory Full

    Operation Manual TEKVB290/en_V0.1 3. Press the " HOLD Button " ( 3-3, Fig, 1 ) or the FUNCTION Button " ( 3-5, Fig. 1 ) will search the the data that already save into the memory. * " HOLD Button " - Increase the data no. * "...
  • Page 19: Rs232 Pc Serial Interface

    Operation Manual TEKVB290/en_V0.1 9. RS232 PC SERIAL INTERFACE The instrument has RS232 PC serial interface via a 3.5 mm terminal ( 3-8, Fig. 2 ). The data output is a 16 digit stream which can be utilized for user's specific application. A RS232 lead with the following connection will be required to link the instrument with the PC serial port.
  • Page 20 Operation Manual TEKVB290/en_V0.1 Each digit indicates the following status : End Word D1 & D8 Display reading, D1 = LSD, D8 = MSD For example : If the display reading is 1234, then D8 to D1 is : 00001234 Decimal Point(DP), position from right to the left 0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP Polarity...
  • Page 21: Battery Replacement

    Operation Manual TEKVB290/en_V0.1 10. BATTERY REPLACEMENT 1) When the left up corner of LCD show " " indicator, it is necessary to replace the battery. However, in-spec measurement may still be made for several hours after low battery indicator appears before the instrument become inaccurate.
  • Page 22: Classification Ranges

    Operation Manual TEKVB290/en_V0.1 12. CLASSIFICATION RANGES For the valuation of machines and equipment in the ISO 2372 and VDI 2056, four different kinds of machine groups with four classification ranges and their limits for vibration severity ( mm/s ) are determined. The classifications for each machine group are specified as follows : Small machines, especially production electrical...
  • Page 23: Iso 2954

    Operation Manual TEKVB290/en_V0.1 Large machines on heavy foundations ( Group G ) Good 0 to 1.80 mm/s Acceptable 1.81 to 4.50 mm/s Still permissible 4.51 to 11.2 mm/s Dangerous > 11.2 mm/s Largest machines and turbo machines with a special foundations ( Group T ). Good 0 to 2.80 mm/s Acceptable...

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