MRC PVB-820 Operation Manual Download

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2-2 Electrical Specifications

Acceleration ( RMS )

Unit
Range

0.5 to 199.9

Resolution

0.1

Accuracy

± ( 5 % + 2 d ) reading

@ 160 Hz, 80 Hz, 23 ± 5

℃

Calibration

50 ( 160 Hz )

Point

Unit

@ 1 g = 9.8

Range

0.05 to 20.39 g

Resolution

0.01 g

Accuracy

± ( 5 % + 2 d ) reading

@ 160 Hz, 80 Hz, 23 ± 5

℃

Calibration

50 ( 160 Hz )

Point

Unit
Range

2 to 656

Resolution

Accuracy

± ( 5 % + 2 d ) reading

@ 160 Hz, 80 Hz, 23 ± 5

℃

Calibration

50 ( 160 Hz )

Point

Summary of Contents for PVB-820

Page 1: ...recision measurement Although this METER is a complex and delicate instrument its durable structure will allow many years of use if p r o p e r o p e r a t i n g techniques are developed Please read the following instructions carefully and always keep this manual within easy reach OPERATION MANUAL 3 Hagavish st Israel 58817 Tel 972 3 5595252 Fax 972 3 5594529 mrc mrclab com MRC 7 20 ...

Page 2: ...isplay 5 3 2 Power Button 5 3 3 Hold Button 5 3 4 Function Button 5 3 5 Battery Cover Compartment 5 3 6 Vibration Sensor 5 3 7 Sensing head 5 3 8 Magnetic base 5 4 MEASURING PROCEDURE 6 5 ZERO ADJUSTMENT PROCEDURE 9 6 BATTERY REPLACEMENT 10 7 CARRYING CASE included 10 8 CLASSIFICATION RANGES 11 9 SENSITIVITY RELATIVE TABLE ACCORDING ISO 2954 12 ...

Page 3: ...bration meter vibration sensor is built in all in one Acceleration Velocity measurement RMS measurement value Metric Imperial display unit Frequency range 10 Hz 1 kHz sensitivity relative meet ISO 2954 Microcomputer circuit intelligent function high accuracy LCD display easy read out Complete set with the Test pin and the Magnetic base are the standard accessories Built in low battery indicator He...

Page 4: ...circuit Zero adjust Build in the Zero adjustment VR easy to make adjustment Sampling time Approx 1 second Operating 0 to 50 32 to 122 temperature Operating Less than 80 RH humidity Power supply DC 1 5V battery UM 4 AAA x 4 PCs Power Approx DC 12 mA consumption Weight 240 g 0 53 lb Dimension Meter 175 x 40 x 32 mm 6 9 x 1 6 x 1 3 inch Meter without sensing head Sensing head Round 9 mm Dia x 30 mm A...

Page 5: ...racy 5 2 d reading 160 Hz 80 Hz 23 5 Calibration 50 160 Hz Point Unit g 1 g 9 8 Range 0 05 to 20 39 g Resolution 0 01 g Accuracy 5 2 d reading 160 Hz 80 Hz 23 5 Calibration 50 160 Hz Point Unit Range 2 to 656 Resolution 1 Accuracy 5 2 d reading 160 Hz 80 Hz 23 5 Calibration 50 160 Hz Point 3 ...

Page 6: ...23 5 Calibration 50 mm s 160 Hz Point Unit cm s Range 0 05 to 19 99 cm s Resolution 0 01 cm s Accuracy 5 2 d reading 160 Hz 80 Hz 23 5 Calibration 50 mm s 160 Hz Point Unit inch s Range 0 02 to 7 87 inch s Resolution 0 01 inch s Accuracy 5 2 d reading 160 Hz 80 Hz 23 5 Calibration 50 mm s 160 Hz Point 4 ...

Page 7: ...3 FRONT PANEL LAYOUT DESCRIPTION Fig 1 3 1 Display 3 2 Power Button 3 3 Hold Button 3 4 Function Button 3 5 Battery Cover Compartment 3 6 Vibration Sensor 3 7 Sensing Head 3 8 Magnetic Base 5 ...

Page 8: ...7 Fig 1 to the bottom of the Vibration Sensor 3 6 Fig 1 b Hold the meter s body by hand loosely Touch the front pin of the Sensing head to the area that you intend to measure the vibration value For best results The Meter body should be perpendicular with the measurement surface area Measurement area 6 ...

Page 9: ...rial you may consider using the Magnetic base 3 8 Fig 1 on the Measurement area screw the Magnetic base 3 8 Fig 1 to the bottom of Vibration sensor 3 6 Fig 1 For best results The Meter body should be perpendicular with the measurement surface area Magnetic base Measurement area 7 ...

Page 10: ...or ACC ACC Acceleration ACC g VEL Velocity ACC VEL mm s VEL cm s VEL inch s 4 Power ON Power on the meter by pressing the Power Button 3 2 Fig 1 once the LCD Display 3 1 Fig 1 will light up the meter is ready for the measurement 5 Data Hold During the measurement push the Hold button 3 3 Fig 1 to hold the measured value the LCD will indicate the HOLD symbol Push the Data hold button again to relea...

Page 11: ...he battery snap can contact the batteries completely 2 Power on the meter by pressing the Power Button 3 2 Fig 1 once 3 There is an Zero Adjust VR near the battery compartment Use the crew driver to adjust the Zero VR until the Display show zero value not show the minus symbol refer Fig 2 Fig 2 Zero adjust VR 9 ...

Page 12: ...ours after Low Battery Indicator first appears before the instrument can become less accurate 2 To replace the battery rotate and remove the Battery Cover 3 5 Fig 1 take out the old batteries install new batteries watching polarity DC 1 5V alkaline battery UM 4 AAA x 4 PCs 7 CARRYING CASE included Soft carrying Size 200 x 80 x 50 mm case CA 52A 10 ...

Page 13: ... for each machine group are specified as follows Small machines especially production electrical motors of up to 15 KW Group K Good 0 to 0 71 mm s Acceptable 0 72 to 1 80 mm s Still permissible 1 81 to 4 5 mm s Dangerous 4 5 mm s Medium sized machines especially electrical motors with 15 up to 75 KW output without special foundations Group M Good 0 to 1 12 mm s Acceptable 1 13 to 2 80 mm s Still p...

Page 14: ...ions Group T Good 0 to 2 80 mm s Acceptable 2 81 to 7 10 mm s Still permissible 7 11 to 18 0 mm s Dangerous 18 mm s 9 SENSITIVITY RELATIVE to the reference sensitivity at 80 Hz according ISO 2954 Frequency Normal Relative sensitivity value Minimum Maximum value value 10 Hz 1 0 0 8 1 1 20 Hz 1 0 0 9 1 1 40 Hz 1 0 0 9 1 1 80 Hz 1 0 1 0 1 0 160 Hz 1 0 0 9 1 1 500 Hz 1 0 0 9 1 1 1000 Hz 1 0 0 8 1 1 Ta...

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