PCB Piezotronics M105C12 Bedienungsanleitung

Model M105C12

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.

Total Customer Satisfaction –PCB

Piezotronics guarantees Total Customer

Satisfaction. If, at any time, for any

reason, you are not completely satisfied

with any PCB product, PCB will repair,

replace, or exchange it at no charge.

You may also choose to have your

purchase price refunded in lieu of the

repair, replacement, or exchange of the

product.

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 insure 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 insure that your

returned materials are handled in the

most expedient manner. Before

Warranty, Service, Repair, and

Return Policies and Instructions

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

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.

Warranty –All equipment and repair

services provided by PCB Piezotronics,

Inc. are covered by a limited warranty

against defective material and

workmanship for a period of one year

from date of original purchase. Contact

PCB for a complete statement of our

warranty. Expendable items, such as

batteries and mounting hardware, are

not covered by warranty. Mechanical

damage to equipment due to improper

use is not covered by warranty.

Electronic circuitry failure caused by the

introduction of unregulated or improper

excitation power or electrostatic

discharge is not covered by warranty.

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: C

ECN: 45605

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: 21106

Revision: NR

OPERATION MANUAL FOR

MINIATURE ICPPRESSURE SENSOR

105A AND 105C SERIES

1.0 INTRODUCTION

This model series is designed to satisfy the need for

measurement of dynamic pressures where space is

limited, such as in model testing.

The series consists of three basic mechanical

configurations or styles, each featuring a .099”

diameter diaphragm and each with a built-in

impedance-converting amplifier for simple,

convenient, two-wire, low-impedance operation.

2.0 DESCRIPTION

The Series 105A sensors utilize two quartz discs in a

thickness compression mode to produce a high-

impedance level signal which is impressed across the

input of a microminiature impedance

converter built into the sensor housing.

The signal is superimposed upon a +11 volt (nominal)

bias level at the amplifier output and is normally

decoupled from the bias voltage in the power unit.

This signal can be fed directly into most common

readout instruments such as oscilloscopes, digital

voltmeters, AC meters, peak meters, recorders, etc.

The output impedance is less than 100 ohms.

Consult guide G-0001B "General Guide to ICP

Instrumentation" for a more complete treatment of the

ICP(Integrated Circuit Piezoelectric) principle.

3.0 INSTALLATION

Because of the miniature size of these units, extra

care should be exercised in preparation of mounting

ports and in installation of sensors into the ports.

Individual dimensional, performance and installation

drawings are included in the manual for each

particular model. Adhere carefully to instructions on

these drawings.

It is not necessary to use low-noise treated coaxial

cable as with high-impedance type sensors. PCB

Model 002A Cable is recommended.

3.1 MODEL 105A

This is the smallest of the three styles and it is

supplied in only the 100 psi range.

The Model 105A is normally mounted using Model

060A04 Clamp Nut (supplied); however, if lack of

space precludes the use of the clamp nut, the sensor

may be epoxied in place if necessary.

Do not over torque clamp nut, as to do so may distort

the body of the sensor and affect the sensitivity of the

device.

The electrical connection to this model is made by

soldering the positive (center conductor) lead from

the power unit to the .040 diameter solder terminal

provided.

(IMPORTANT! See Section 8.0, page 4)

NOTE: Do not overheat this terminal. Use a small

iron with only enough heat to obtain good solder

joint.

The electrical ground return is made to the sensor

body. This connection can be made by attaching

electrically to the structure or by using the metal

ribbon spotwelded to the sensor body.

3.2 MODELS 105C02, C12 & C22

This style utilizes a 10-32 external thread to facilitate

mounting. It is supplied in three full-scale ranges:

100, 1000 and 5000 psi.

Prepare mounting port in accordance with installation

drawing provided in manual. Do not over torque.

Use only enough torque to obtain a seal.

The electrical connection is made via a 5-44 coaxial

connector. Use coaxial 002G10 cable, 5-44 to 10-32

microdot.

Drawing Number: 21106

Revision: NR

OPERATION MANUAL FOR

MINIATURE ICPPRESSURE SENSOR

105A AND 105C SERIES

3.3 MODELS 105C03, C13, 23, C33,

C43

This style is the largest and is supplied in five models

with full-scale ranges to 100, 1000, 5000, 10,000 and

30,000 psi.

The electrical connection to this style sensor is made

via a 10-32 coaxial connector.

3.4 FLASH TEMPERATURE

PROTECTION

It is good practice to protect the diaphragm against

flash thermal effects, especially when flush-mounted,

to minimize spurious outputs generated by high heat

influx due to blasts, high compression heating, etc.

One or more layers of black vinyl electrical tape on

the diaphragm can be useful for this purpose in many

cases. RTV-type silicone rubber has also proven

effective.

Experimentation is the best method for determination

of effectiveness of protective material for each sensor

application.

3.5 RECESSED INSTALLATION

If ultra-high frequency response is not needed, it is

good practice to use a recessed diaphragm

installation.

.060 Dia. Passag

.010 Gap

Typical Recessed Installation

Because of its one-piece machined diaphragm

construction, the 105A series is sensitive over its

entire frontal area. Use extreme care when preparing

recessed installation port to ensure that no particles,

burrs or other residue are entrapped in the .010”gap

ahead of the diaphragm. Force on the diaphragm due

to such entrapped particles may change the

calibration of the sensor.

Recessed mounting protects the sensor diaphragm

from the effects of high-flash temperatures and

particle impingement due to blast effects, thereby

prolonging sensor life.

The limitation is that this type of installation lies in

the high-frequency limiting effects of the passage, due

to its length.

The passage behaves like an underdamped second

order system, the resonant frequency being

determined by the passage length. This can have a

limiting effect on pressure pulse rise time while

causing passage ringing in cases where the passage is

too long with respect to pulse rise time. (See chart

below.)

The following relationship determines this resonant

frequency (fr):

(Hz)

fr (Eq. 1)

Where: fr= Resonant frequency of passage (Hz)

V = Velocity of sound in air (ft/sec)

L = Length of column (ft)

For air at room temperature, (Eq. 1) becomes:

3300

fr

Where L = Passage length (in.)

Drawing Number: 21106

Revision: NR

OPERATION MANUAL FOR

MINIATURE ICPPRESSURE SENSOR

105A AND 105C SERIES

The natural frequency and approximate fastest

pressure step rise time for various length passages is

shown in the following chart. (Medium, air at 25C).

PASSAGE

LENGTH (in.) PASSAGE

RESONANCE

(kHz)

APPROX.

FASTEST

PULSE RISE

TIME (u Sec)

.050 66 5

.100 33 10

.200 16.5 20

.50 6.6 50

1.0 3.3 100

Passage Resonance vs. Passage Length

Actual resonant frequencies measured in practice may

differ slightly from the chart values due to variations

in the velocity of propagation of sound caused by

changes in temperature and pressure of the medium in

the passage.

For best matching of passage to diaphragm, maintain

the .010”clearance ahead of the diaphragm as shown

in Typical Recessed Installation figure.

4.0 OPERATION

Connect sensor to signal conditioner as shown below,

depending upon sensor style being used.

Signal Conditioner

To Readout

070A09 Solder

Connector Adaptor

105A

Solder Terminal

2-Wire Cable

Scope

XDCR

Typical Circuit Connection (For 105A)

Typical Circuit Connection (For 105C02,C03,

C12, C13, C22, C23, C33, C43)

NOTE: All PCB signal conditioners for ICPsensor

contain current-limiting circuitry to set the input

current in the range of 2 to 20 mA.

Do not connect a power supply to these units without

current limiting. To do so will destroy the built-in IC

amplifier.

All PCB signal conditioners feature fault-monitoring

voltmeters on the front panel. During normal

operation, the meter will indicate about mid-scale

(+11 volts). If one of the connections to the sensor is

open, the meter will read full scale (yellow area).

Should a short occur on the sensor line, the meter will

read 0 volts (red area).

5.0 CALIBRATION

Because of the relatively short discharge time

constant of this series, static calibration means cannot

be used. Fast dynamic means such as step function or

pulse generators must be used instead.

Contact the factory for help in solving specific

calibration problems.

6.0 MAINTENANCE

The small size and sealed construction of these

sensors precludes field maintenance and repair.

Should a problem develop, contact the factory for

assistance.

002A Cable

Scope To Readou

SignalConditioner

Drawing Number: 21106

Revision: NR

OPERATION MANUAL FOR

MINIATURE ICPPRESSURE SENSOR

105A AND 105C SERIES

7.0 CAUTIONS

1. Do not apply voltage to the electrical terminals

without current-limiting protection.

2. Do not apply more than 30 VDC to the sensor.

3. Do not put more than 20 mA current into the

input terminals.

4. Do not overtorque sensors when installing.

5. Do not apply too much heat to the solder pin

of style 1.

8.0 TERMINAL LEAD AND GROUND

To eliminate any possibility of overheating the solder

terminal and destroying the microamplifier in the

sensor, a 2.0 inch long insulated wire has been

provided on the solder terminal for soldering a

connector lead from the power unit. The ground

return is provided by a metal ribbon (.003 x .020)

welded to the Model 060A04 clamp nut.

ICP is a registered trademark of PCB Piezotronics

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