PCB Piezotronics M102B15 Manual de usuario

Model M102B15

ICP® Pressure Sensor

Installation and Operating Manual

For assistance with the operation of this product,

contact PCB Piezotronics, Inc.

Toll-free: 800-828-8840

24-hour SensorLine: 716-684-0001

Fax: 716-684-0987

E-mail: [email protected]

Web: www.pcb.com

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.

Drawing Number: 21075

Revision: C

ECN Number: 47023

OPERATION MANUAL FOR

QUARTZ PRESSURE SENSORS

SERIES 102

SERIES 113

1.0 INTRODUCTION

This series of miniature dynamic pressure sensors is

specifically designed for shock tube and blast wave

measurements and for other applications requiring

very high frequency, near non-resonant response.

The term used to describe the transient response of

this model series is “Frequency Tailoring” and it

encompasses several mechanical and electrical design

features coupled with stringent in-process

fabrication/test procedures with heavy emphasis on

the shock tube as a tool.

2.0 DESCRIPTION

Although this series consists of sensors with three

basic mechanical configurations and six different

sensitivities, each model is basically similar in

internal design.

Typical ICP®Probe Style Sensor

Each utilizes the acceleration-compensated Series

113 quartz piezoelectric element coupled to a source

follower type miniature electronics. (See “General

Guide to ICP®Instrumentation,” G-0001B, for a

detailed description of the ICP®concept.)

The figure above shows the components of the basic

ICP®probe, i.e. the piezoelectric element and the

ICP®source follower amplifier. These components

are joined together as an inseparable sealed assembly

at the factory. Disassembly should not be attempted

in the field.

Series 113B2x are in a probe configuration and are

installed with a hollow clamp nut with 5/16-24

external threads. The housing of these models is at

electrical ground potential.

Series 113B3x are similar to the B2x Series with an

additional feature; all Invar construction. The all

Invar sensors are designed to have minimal

susceptibility to thermal transient events and are

specifically suited for high-temperature shock and

blast measurements.

Series 113: Probe Style Sensor

Series 102 consist of the basic 113 Series probe, as in

the above mentioned series, mounted in a 3/8-24

threaded mounting adaptor. The probe is installed at

the factory in an "off ground" configuration, i.e. the

probe body is insulated from the external mounting

adaptor body.

The Model 102A12 utilizes the same inner probe

design as the above two designs but in a 3/8-24

Intergrated

Circuit

Amplifier

Seal Ring

Potting

Connector

Preload Sleeve

Electrodes

Diaphragm

Housing 0.218 Dia

Quartz Plates

Acceleration

Compensation

Mass and Plate

Mounting

Clamp Nut

Drawing Number: 21075

Revision: C

ECN Number: 47023

OPERATION MANUAL FOR

QUARTZ PRESSURE SENSORS

SERIES 102

SERIES 113

threaded adaptor with floating clamp nut to allow

adjustment of diaphragm mounting depth where it is

necessary to adapt to various wall thicknesses. These

models are supplied only as low-pressure (250 psi

and 100 psi) sensors and are also "off ground".

Models 102A21 and 102A22 are high-temperature

ICP® versions to 400 F (204 C), with a 3/8-24

straight threads adaptor and 1/8-27 NPT adaptor,

respectively.

Series 102: Thread Mount Design, Ground-

Isolated Sensor

3.0 INSTALLATION

This manual contains outline and installation

information for your specific model.

Prepare mounting ports in accordance with

instructions given in specific installation drawings,

paying particular attention to sealing surfaces. These

surfaces must be smooth and free from chatter marks,

nicks and other irregularities which could preclude a

pressure tight seal.

To fully realize the high-frequency response

capabilities of this sensor series, flush mounting of

the diaphragm must be used.

In some cases, where flash temperatures such as those

generated by blasts and shock fronts are present, it

may be necessary to thermally insulate the diaphragm

to minimize signals generated by these effects.

Common black vinyl electrical tape has been found to

be an effective insulating material in many cases.

One or more layers may be used across the end of

diaphragm and adaptor.

A silicone rubber coating approximately .010” thick

has also been proven effective in many applications.

General Electric RTV type 106 is recommended.

Apply the rubber coating to the surface of the

diaphragm and allow it to cure in accordance with the

manufacturer’s instructions. (If you have ordered the

CA option, ablative coated models, further protection

will not be necessary.)

Although ICP®sensors have low-output impedance

and in general are not affected by moisture, in

extreme environments it is good practice to protect

cable connections with shrink tubing.

It is not necessary to use low-noise cable with this

sensor series. In fact, an optional Model 070B09

Solder Connector Adaptor allows the use of ordinary

two-wire cable if desired.

4.0 OPERATION

It is only necessary to supply the sensor with a 2 to 20

mA constant current at +20 to +30 VDC through a

current-regulating diode or equivalent circuit. (See

guide G-0001B for powering and signal utilization

information pertaining to all ICP®instrumentation).

Most of the signal conditioners manufactured by PCB

have an adjustable current feature allowing a choice

of input currents from 2 to 20 mA. In general, for

lowest noise (best resolution), choose the lower

current ranges. For driving long cables (to several

thousand feet), use higher current, up to 20 mA

maximum.

To operate system using a PCB signal conditioner:

1. Switch power on.

2. Wait several minutes for the IC ampli-

fier to turn on and stabilize.

3. Proceed with measurements.

Drawing Number: 21075

Revision: C

ECN Number: 47023

OPERATION MANUAL FOR

QUARTZ PRESSURE SENSORS

SERIES 102

SERIES 113

5.0 POLARITY

The sensors in this series produce a positive-going

output voltage for increasing pressure input.

6.0 LOW-FREQUENCY RESPONSE

The low-frequency response of an ICP®system is

determined by:

1. The discharge T.C. of the sensor

2. If AC-coupled at power unit, the coupling time

constant.

Consult Section 7.0 in guide G-0001B detailed

explanation of low-frequency characteristics of ICP®

instruments.

7.0 HIGH-FREQUENCY RESPONSE

Frequency tailoring and the very high-natural

frequency of the sensor give an extremely wide

usable frequency range (beyond 100 kHz).

Exceptionally fast response time (1 µsec) and clean,

virtually non-resonant response to rapid step

functions are also features of these sensors. As

mentioned previously, the diaphragm must be flush-

mounted to fully realize the high-frequency response

capabilities of this series.

8.0 CALIBRATION

Piezoelectric sensors are dynamic devices, but static

calibration means can be employed if discharge time

constants are sufficiently long. Generally, static

methods are not employed below several hundred

seconds time constant.

To employ static means, direct couple the sensor to

the DVM readout using a T-Connector from the

sensor jack or use the Model 484B in the calibrate

mode. Apply pressure with dead weight tester and

take readings quickly. Release pressure after each

calibration point.

For the shorter time constant, rapid step functions of

pressure are generated by a pneumatic pressure pulse

calibrator or dead weight tester and readout is by

recorder or storage oscilloscope.

PCB offers a complete calibration service. Consult

factory for details.

ICP is a registered trademark of PCB Piezotronics

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