MRC PVB-820 Manual de usuario

Acceleration, Velocity

RMS measurement, Metric & Imperial unit

PEN VIBRATION METER

Model : PVB-820

Your purchase of this PEN

VIBRATION METER marks

a step forward for you into

the field of precision

measurement. Although

this METER is a complex

and delicate instrument, its

durable structure will allow

many years of use if

proper operating

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 35595252, Fax: 972 3 5594529

[email protected]

MRC.7.20

TABLE OF CONTENTS

1 FEATURES................................................................

2 SPECIFICATIONS......................................................

2-1 General Specifications..........................................2

2-2 Electrical Specifications........................................3

3 FRONT PANEL DESCRIPTION.....................................5

3-1 Display...............................................................

3-2 Power Button...................................................... 5

3-3 Hold Button .......................................................

3-4 Function Button ..................................................5

3-5 Battery Cover/Compartment.................................5

3-6 Vibration Sensor..................................................5

3-7 Sensin

head......................................................

3-8 Ma

netic 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

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.

* Pen type digital vibration 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.

* Heavy duty & compact housing case.

* IP65 protection.

* Compact size, light weight.

* Soft carrying case is the optional accessory

2. SPECIFICATIONS

2-1 General Specifications

Display LCD, size : 20 mm x 28 mm.

Measurement Velocity, Acceleration.

* RMS value.

Function Acceleration

, g,

Velocity mm/s, cm/s, inch/s

Frequency 10 Hz to 1 KHz

range

* Sensitivity relative during the

the frequency range meet ISO 2954

Refer to table 1, page. 12.

Circuit Exclusive microcomputer 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.

Accessories Instruction manual.................. 1 PC.

included Meter with sensin

head.......... 1 Set

netic base......................... 1 PC.

Soft carryin

case, CA-52A......

1 PC.

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 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

Velocity ( RMS )

Unit mm/s

Range 0.5 to 199.9 mm/s

Resolution 0. 1 mm/s

Accuracy ± ( 5 % + 2 d ) reading

@ 160 Hz, 80 Hz, 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

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

4. MEASURING PROCEDURE

1)Attaching Meter Body with the Sensing head

a. Connect (Screw )the " Sensing Head " ( 3-7, 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

2)Cooperate with the Magnetic base

a. If the measuring surface is a ferrous material, 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

3)Function Selection

Select the desired function by pressing the " Function

Button " ( 3-4, Fig. 1 ) once the measurement

Function will be present in sequence.

Measurement Metric unit Imperial unit

Acceleration , g

Velocity mm/s, cm/s inch/s

The Display will show the indicator :

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 release the data

hold function and the " HOLD " symbol will be

removed.

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