PCB Piezotronics 699B07 Manual de usuario

The information contained in this document supersedes all similar information that

may be found elsewhere in this manual.

Service –Due to the sophisticated

nature of the sensors and associated

instrumentation provided by PCB

Piezotronics, user servicing or repair is

not recommended and, if attempted,

may void the factory warranty. Routine

maintenance, such as the cleaning of

electrical connectors, housings, and

mounting surfaces with solutions and

techniques that will not harm the

physical material of construction, is

acceptable. Caution should be observed

to ensure that liquids are not permitted

to migrate into devices that are not

hermetically sealed. Such devices

should only be wiped with a dampened

cloth and never submerged or have

liquids poured upon them.

Repair –In the event that equipment

becomes damaged or ceases to

operate, arrangements should be made

to return the equipment to PCB

Piezotronics for repair. User servicing or

repair is not recommended and, if

attempted, may void the factory

warranty.

Calibration –Routine calibration of

sensors and associated instrumentation

is recommended as this helps build

confidence in measurement accuracy

and acquired data. Equipment

calibration cycles are typically

established by the users own quality

regimen. When in doubt about a

calibration cycle, a good “rule of thumb”

is to recalibrate on an annual basis. It is

also good practice to recalibrate after

exposure to any severe temperature

extreme, shock, load, or other

environmental influence, or prior to any

critical test.

PCB Piezotronics maintains an ISO-

9001 certified metrology laboratory and

offers calibration services, which are

accredited by A2LA to ISO/IEC 17025,

with full traceability to SI through

N.I.S.T. In addition to the normally

supplied calibration, special testing is

also available, such as: sensitivity at

elevated or cryogenic temperatures,

phase response, extended high or low

frequency response, extended range,

leak testing, hydrostatic pressure

testing, and others. For information on

standard recalibration services or

special testing, contact your local PCB

Piezotronics distributor, sales

representative, or factory customer

service representative.

Returning Equipment –Following

these procedures will ensure that your

returned materials are handled in the

most expedient manner. Before

returning any equipment to PCB

Piezotronics, contact your local

distributor, sales representative, or

factory customer service representative

to obtain a Return Warranty, Service,

Repair, and Return Policies and

Instructions Materials Authorization

(RMA) Number. This RMA number

should be clearly marked on the outside

of all package(s) and on the packing

Service, Repair, and Return

Policies and Instructions

list(s) accompanying the shipment. A

detailed account of the nature of the

problem(s) being experienced with the

equipment should also be included

inside the package(s) containing any

returned materials.

A Purchase Order, included with the

returned materials, will expedite the

turn-around of serviced equipment. It is

recommended to include authorization

on the Purchase Order for PCB to

proceed with any repairs, as long as

they do not exceed 50% of the

replacement cost of the returned

item(s). PCB will provide a price

quotation or replacement

recommendation for any item whose

repair costs would exceed 50% of

replacement cost, or any item that is not

economically feasible to repair. For

routine calibration services, the

Purchase Order should include

authorization to proceed and return at

current pricing, which can be obtained

from a factory customer service

representative.

Contact Information –International

customers should direct all inquiries to

their local distributor or sales office. A

complete list of distributors and offices

can be found at www.pcb.com.

Customers within the United States may

contact their local sales representative

or a factory customer service

representative. A complete list of sales

representatives can be found at

www.pcb.com. Toll-free telephone

numbers for a factory customer service

representative, in the division

responsible for this product, can be

found on the title page at the front of this

manual. Our ship to address and

general contact numbers are:

PCB Piezotronics, Inc.

3425 Walden Ave.

Depew, NY14043 USA

Toll-free: (800) 828-8840

24-hour SensorLineSM: (716) 684-0001

Website: www.pcb.com

E-mail: [email protected]

PCB工业监视和测量设备 - 中国RoHS2公布表

PCB Industrial Monitoring and Measuring Equipment - China RoHS 2 Disclosure Table

部件名称

有害物质

铅(Pb)

汞

(Hg)

镉

(Cd)

六价铬(Cr(VI))

多溴联苯 (PBB)

多溴二苯醚(PBDE)

住房

PCB板

电气连接器

压电晶体

环氧

铁氟龙

电子

厚膜基板

电线

电缆

塑料

焊接

铜合金/黄铜

本表格依据 SJ/T 11364 的规定编制。

O：表示该有害物质在该部件所有均质材料中的含量均在 GB/T 26572 规定的限量要求以下。

X：表示该有害物质至少在该部件的某一均质材料中的含量超出 GB/T 26572 规定的限量要求。

铅是欧洲RoHS指令2011/65/ EU附件三和附件四目前由于允许的豁免。

CHINA RoHS COMPLIANCE

DOCUMENT NUMBER: 21354

DOCUMENT REVISION: D

ECN: 46162

Component Name

Hazardous Substances

Lead

(Pb)

Mercury

(Hg)

Cadmium

(Cd)

Chromium VI

Compounds

(Cr(VI))

Polybrominated

Biphenyls

(PBB)

Polybrominated

Diphenyl

Ethers (PBDE)

Housing

PCB Board

Electrical

Connectors

Piezoelectric

Crystals

Epoxy

Teflon

Electronics

Thick Film

Substrate

Wires

Cables

Plastic

Solder

Copper Alloy/Brass

This table is prepared in accordance with the provisions of SJ/T 11364.

O: Indicates that said hazardous substance contained in all of the homogeneous materials for this part is below the limit

requirement of GB/T 26572.

X: Indicates that said hazardous substance contained in at least one of the homogeneous materials for this part is above

the limit requirement of GB/T 26572.

Lead is present due to allowed exemption in Annex III or Annex IV of the European RoHS Directive 2011/65/EU.

pcb.com | 716 684 0002

72435

Rev. NR

VIBRATION ANALYZER / METER

CALIBRATION

PRODUCT MANUAL | MODEL 699B07 REPORT

GENERATION WORKBOOK

Note: This manual only provides instructions for the calibration of portable vibration analyzers. The Report Generation Workbook has many

other uses such as the calibration of: accelerometers, proximity probes, and 4-20 mA vibration transmitters. Instruction regarding how to test

other vibration instrumentation is found in the supplied Portable Vibration Calibrator manual.

Model 699B07 | PCB Piezotronics, Inc.

February 2019| MAN-0320 revNR

VIBRATION ANALYZER / METER CALIBRATION

PRODUCT SUPPORT

For answers to questions about this product, consult this manual or the accessory manual. For additional product

support, contact PCB Piezotronics at 800.828.8840. If it is more convenient, fax your questions or comments to PCB

Piezotronics at 716.684.0987or email our technical staff at [email protected].

WARRANTY

PCB Piezotronics, Inc. Series 699B Portable Vibration Calibrator & Shaker Table products are warrantied against

defective materials and workmanship for TWO YEARS from the date of shipment, unless otherwise specified. Damage

to equipment caused by incorrect power, misapplication, or procedures inconsistent with this manual are not covered

by warranty. If there are any questions concerning the intended application of the product, contact an Applications

Engineer. Batteries and other expendable accessory hardware items are excluded.

copied in whole or in part for any use without prior written consent of PCB Piezotronics, Inc.

DISCLAIMER

The following paragraph does not apply in any state or country where such statements are not agreeable with local

law:

PCB Piezotronics, Inc. provides this publication “as is” without warranty of any kind, express or implied, including but

not limited to, the implied warranties of merchantability or fitness for a particular purpose. This document is subject to

change without notice, and should not be construed as a commitment or representation by PCB Piezotronics, Inc.

This publication may contain inaccuracies or typographical errors. PCB Piezotronics, Inc. will periodically update the

material for inclusion in neweditions. Changes and improvements to the product described in this manual may bemade

at any time.

TRADEMARKS

ICP®is a registered trademark of PCB Piezotronics, Inc.

Microsoft Excel® is a registered trademark of Microsoft Corporation in the United States and/or other countries.

3425 Walden Ave.

Depew, NY, 14043-2495

Phone: 716.684.0002

FAX: 716.684.0987

www.pcb.com

[email protected]

Model 699B07 | PCB Piezotronics, Inc.

Page 3

TABLE OF CONTENTS

1. INTRODUCTION.........................................................................................................4

2. VIBRATION ANALYZER CERTIFICATE.....................................................................5

2.1 CREATING A VIBRATION ANALYZER CERTIFICATE............................................................5

2.2 EXAMPLES OF VIBRATION ANALYZER VALIDATION LINEARITY & FREQUENCY

RESPONSE CALIBRATION CERTIFICATES.................................................................................9

3. VIBRATION ANALYZER TESTING...........................................................................10

3.1 TEST SET-UP..........................................................................................................................10

3.2 IMAGES OF RAW LINEARITY TEST DATA...........................................................................11

3.3 ENTERING LINEARITY TEST DATA INTO THE PVC REPORT GENERATION

WORKBOOK..................................................................................................................................14

3.4 IMAGES OF RAW FREQUENCY RESPONSE TEST DATA..................................................15

3.5 ENTERING FREQUENCY RESPONSE TEST DATA INTO THE PVC REPORT

GENERATION WORKBOOK.........................................................................................................19

4. PRODUCING THE FINAL CALIBRATION CERTIFICATES .....................................20

4.1 LINEARITY TEST ....................................................................................................................20

4.2 FREQUENCY RESPONSE TEST...........................................................................................21

Model 699B07 | PCB Piezotronics, Inc.

Page 4

1. INTRODUCTION

PCB Piezotronics’Portable Vibration Calibrator (PVC) can be used to validate any type of vibration analyzer or vibration

meter. The PVC Report Generation workbook ver.3.1.0 includes a “Vib Analyzer Data” tab (shown below) that is used

to create Linearity and Frequency Test Certificates for Vibration Analyzers. This Microsoft Excel® Macro-Enabled

workbook provides an intuitive interface that allows users to create and print a calibration certificates in a few minutes.

Figure 1: Vib Analyzer Data tab

Model 699B07 | PCB Piezotronics, Inc.

Page 5

2. VIBRATION ANALYZER CERTIFICATE

2.1 Creating a Vibration Analyzer Certificate

Using PCB Piezotronics’ Portable Vibration Calibrator and supplied Report Generation Workbook, technicians can

create calibration reports for their portable vibration analyzers by mechanical vibration simulation rather than voltage

injection. A mechanical simulation allows users to test the entire measurement chain: sensor, cabling, and analyzer.

Calibration is performed by comparing a known source of vibration at different amplitudes and frequencies to the

analyzer or meter reading. PCB Piezotronics’ Portable Vibration Calibrator (NIST traceable, ISO 16063-21 and 17025-

compliant) provides variable vibration amplitudes with a very wide frequency range. With this ideology, the analyzer

and its sensing elements are validated together as a system. For route-based predictive maintenance where one sensor

is magnetically mounted on many machines at many points, PCB recommends performing a complete frequency

response test of the accelerometer. Its accuracy is important at many frequencies. Test to maximum frequency of

interest (Fmax) on the vibration analyzer. If high frequency bearing fault detection methodologies are in use, test the

sensor to the highest possible bearing defect frequency.

Tip: Magnetically mounting sensors greatly reduces high frequency response. A ferrous magnet target,

mounting pad, is included with the Portable Vibration Calibrator. One can install this pad on the shaker and

mount accelerometers magnetically. Always rock the sensor in place as one would on the machine. Test the

accelerometer to the maximum frequency of interest (Fmax) on the analyzer to see if response is amplified at

relevant high frequencies.

To create a NIST traceable calibration certificate for a vibration analyzer or meter, the following items are required:

PVC Report Generation Workbook ver.3.1.0 (Released in March 2019) or later

Calibrated Portable Vibration Calibrator

Calibrated voltmeter or oscilloscope

BNC male to BNC male cable (e.g. PCB Series: 012A, 002D and 003D)

BNC female to double banana plug (Pomona Model 1269)

Step 1 Start by filling the vibration Analyzer/Meter information and Settings

Analyzer mode: Spectra, Overall, or Time waveform

Model 699B07 | PCB Piezotronics, Inc.

Page 6

Tip: Some vibration data associated with a certain frequency appears in (leaks into) adjacent frequencies; this

is called leakage error. Non-periodic signals or transients that are not properly windowed cause leakage errors.

In other words, a leakage error occurs because of a truncation of the waveform. Proper windows and selection

of sampling frequency can reduce or eliminate the leakage effect. Different window types apply different shaping

functions to the vibration waveform signal before computing the spectrum For example, Hanning window

(window factor 1.5) is the most common window used in vibration analysis and normal analyzer operation. It

smooths end effects and reduces leakage in the spectrum. However, it reduces the amplitude by ≤16%. Uniform

window (aka Rectangular or No Window) does not apply any shaping and is subject to leakage and amplitude

errors. It reduces the amplitude by ≤36%, yet is very effective with transient vibration and used when there is

more concern with frequency than amplitude. For more details about window type, please consult your vibration

analyzer user manual.

Although, users can choose between the below four window types, that does not change any measurement or

calculations in the workbook. This is just to document your on-site analyzer settings.

Analyzer Sensor Input Sensitivity and Unit: entering the accurate sensor sensitivity in the analyzer is a key

element of your route-based measurements. You should use the Portable Vibration Calibrator to measure

the sensitivity at the reference frequency (100 Hz or 159.2 Hz) and document this value in the analyzer and

workbook. To learn more, visit our Field Calibration of the EmersonTM CSI 2130 Vibration Analyzer video at

https://www.youtube.com/watch?v=WFe3O6XEMwU.

Step 2 Fill in your Test Equipment details in the blue cells

It is good practice to test the vibration calibrator for any reference accelerometer sensitivity drifts before

validating your vibration analyzer. PCB Piezotronics’PVC is controlled (Closed-Loop) by an internal shear

mode quartz reference accelerometer. The voltage output of the reference accelerometer can be

monitored through the available MONITOR REFERENCE OUT BNC output by connecting it to a readout

device (e.g. voltmeter or oscilloscope) in real time.

The calibration sensitivity at 100 Hz can be found on the original A2LA-Accredited calibration certificate

supplied by PCB Piezotronics.

To measure the sensitivity of the Portable Vibration Calibrator:

a) Set the PVC to 1.00 g RMS at 100 Hz

b) Connect the DMM to the MONITOR REFERENCE OUT and measure mV AC

c) Record the Measured Sensitivity at 100 Hz in cell I16

The measured sensitivity of the PVC reference accelerometer should be within ±3% of the original

calibrated sensitivity. Otherwise, please consider sending your Portable Calibrator for re-calibration

using service code ICS-41.

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