PCB Piezotronics ICP 124A21 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.

Drawing Number: 21167

Revision: NR

OPERATION MANUAL FOR

ICPWATER-COOLED PRESSURE SENSORS

MODELS 124A21, A22, A24

1.0 INTRODUCTION

The series of sensors described in this guide is

designed to measure dynamic pressures in

intense thermal environments typified by rocket

engine combustion chambers.

These sensors feature acceleration-compensated

piezoelectric pressure probes, mounted in a

water-cooled adaptor and an internal signal

conditioner to provide a directly usable output

voltage.

2.0 DESCRIPTION

The Models 124A21, A22 and A24 contain

built-in impedance converter electronic circuits

which convert the high-impedance voltage from

the quartz crystal to a low-impedance voltage

signal that can be fed directly into most common

indicating or recording instruments.

The outer body of this series is 17-4 PH

hardened stainless steel and features a ceramic-

coated tip for protection against erosion by hot

gasses when the sensor is flush-mounted directly

in combustion chambers.

NOTE: The sensor probe in this series is factory

installed at a precise depth in the outer body.

Do not attempt removal of this probe. Contact

the factory should any questions or problems

arise concerning the sensor probe.

The probes in all models are electrically ground

isolated from the outer housing.

3.0 INSTALLATION

Prepare mounting port in accordance with

instructions on installation drawing 124-1210-

90.

Inspect the mounting port for burrs and tool

marks at the seal surface.

Series 124A: Water- Cooled Rocket Motor,

ICP®and Charge Sensors

Use recommended mounting torque when

installing sensors. Do not overtorque as damage

to seal surface could result.

Especially in the presence of high vibration,

support water supply tubes by clamping to rigid

surfaces with adequate strain relief on loop to

avoid stressing tubes.

Either water tube may be used as the inlet tube.

Use at least a 50 psi source of clean water for

cooling.

Drawing Number: 21167

Revision: NR

OPERATION MANUAL FOR

ICPWATER-COOLED PRESSURE SENSORS

MODELS 124A21, A22, A24

The Models 124A21, A22 and A24 sensors use

low output impedance probes (ICP) and will

not require the extreme insulation resistance

precaution commonly associated with charge

mode sensors.

Connect the sensor cable to the appropriate

ICPpower unit and check the front panel

monitor meter for continuity of cable

connections and internal amplifier.

Consult Guide G-0001B, "General Guide to

ICPInstrumentation" for installation and usage

hints for ICPinstruments.

4.0 OPERATION

Consult Guide G-0001B for a complete

description of the low-impedance concept in

instrumentation.

All PCB power units designed for ICPsensors

use contain built-in fault monitor meters to aid

in locating circuit faults (shorts or opens) and to

identify normal operation of the miniature

impedance converting amplifier built into the

sensor.

Do not attempt to apply voltage directly to the

input pin of the sensor from any other source.

The input current must be limited to 20 mA

maximum and the input voltage must not be

higher than 30 volts. If it is desired to build a

power unit, rather than to use one of those

available from PCB, contact the factory for

approval of this change.

The Models 124A21, 124A22 and 124A24 are

identical except for sensitivity.

The Model 124A21 has a sensitivity of 20

mV/psi which gives a full-scale range (for 5%

out) of 250 psi.

The Model 124A22 has a sensitivity of 1.0

mV/psi and a full-scale range of 5000 psi.

The Model 124A24 has a sensitivity of 5.0

mV/psi and a full-scale range of 1000 psi.

5.0 CALIBRATION

Because of the shorter time constants built into

these models, static calibration methods are

difficult to employ.

Pressures must be applied rapidly and readout

must be made with fast recording devices such

as storage oscilloscopes or similar types of data

acquisition hardware.

A pneumatic (compressed air) system with

quick opening valve and reference gage is an

excellent method of calibrating these sensors.

To take full advantage of the time constant built

into the sensor, use a DC-coupled power unit

such as the PCB Model 484B.

6.0 MAINTENANCE

The sealed construction and miniature size of

these sensors make field repair impractical.

Contact factory for assistance should problems

arise.

ICP is a registered trademark of PCB

Piezotronics

Model Number

124B23 ICP® PRESSURE SENSOR Revision: NR

ECN #: 48966

[4]

Performanc

ENGLISH S

Measurement Range 5 kpsi 34,475 kPa

Sensitivity(± 15 %) 0.5 mV/psi .073 mV/kPa

Maximum Pressure(Total) 15 kpsi 103,421 kPa

Resolution 200 psi 1.4 kPa [2]

Resonant Frequency 15 kHz 15 kHz [2]

Rise Time(Reflected) ≤ 30 µ sec ≤ 30 µ sec

Low Frequency Response(-5 %) 0.001 Hz 0.001 Hz

-Linearit

≤1.0 % FS ≤1.0 % FS [3]

Environmenta

Acceleration Sensitivit

≤ 0.002 psi/

≤ 0.0014 kPa/(m/s²)

Temperature Range(Operating) -100 to +250 °F -73 to +121 °C [1]

Temperature Coefficient of Sensitivity ≤ 0.03 %/°F ≤ 0.054 %/°C

Maximum Shock 10,000 g pk 98,070 m/s² pk

Electrica

Output Polarity(Positive Pressure) Positive Positive

Discharge Time Constant(at room temp) ≥ 500 sec ≥ 500 sec

Excitation Voltage 20 to 30 VDC 20 to 30 VDC

Constant Current Excitation 2 to 20 mA 2 to 20 mA

Output Impedance ≤ 100 Ohm ≤ 100 Ohm

Out

ut Bias Volta

e8 to 14 VD

8 to 14 VD

Electrical Isolatio

≥10^8 Ohm ≥10^8 Ohm

sica

Sensing Geometry Compression Compression

Sensing Element Quartz Quartz

Housing Material Stainless Steel Stainless Steel

Diaphragm Invar Invar

Sealing Welded Hermetic Welded Hermetic

Electrical Connector 10-32 Coaxial Jack 10-32 Coaxial Jack

Weight 4.0 oz 112 gm

Water Flow Rate(at 50 psi) 1.2 gal/min 4.5 L/min

All specifications are at room temperature unless otherwise specified.

In the interest of constant product improvement, we reserve the right to change specifications without notice.

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

This model, designated with an RH prefix, is RoHS compliant. For further details, and to obtain PCB's RoHS

Statement of Conformance, please visit http://www.pcb.com

OPTIONAL VERSIONS

Optional versions have identical specifications and accessories as listed for the standard model

except where noted below. More than one option may be used.

NOTES

[1] Refers to operating temperature of the internal sensor without cooling

[

]

ical

[3] Zero-based, least-squares, straight line method.

[

]

See PCB Declaration of Conformance PS023 for details

SUPPLIED ACCESSORIES:

Model 065A09 Seal rin

0.560" OD x 0.500" ID x 0.060" thk brass

(

)

Entered: LK Engineer: MP Sales: RW

Approved: RPF Spec Number:

Date: 12/28/2018 Date: 12/28/2018 Date: 12/28/201

Date: 12/28/2018 69344

3425 Walden Avenue, Depew, NY 14043

Phone: 716-684-0001

Fax: 716-684-0987

E-Mail: [email protected]

A A

B B

CODE

IDENT. NO.

52681

DWG. NO.

SCALE: SHEET

DRAWN CHECKED ENGINEER

TITLE

UNLESS OTHERWISE SPECIFIED TOLERANCES ARE:

DIMENSIONS IN MILLIMETERS

[ IN BRACKETS ]

XX ±0.13

ANGLES 2 DEGREES

3425 WALDEN AVE. DEPEW, NY 14043

(716) 684-0001 E-MAIL: sales@pcb.com

DIMENSIONS IN INCHES

DECIMALS XX ±.01

ANGLES 2 DEGREES

FILLETS AND RADII

.003 - .005

DECIMALS X ± 0.3

FILLETS AND RADII

0.07 - 0.13

INSTALLATION DRAWING

69242

1 OF 21.25X

MODEL 124B23

WATER COOLED PRESSURE SENSOR

XXX ±.005

JDM 12/28/18 JDM 12/28/18 MJP 12/28/18

69242

PCB Piezotronics Inc. claims proprietary rights in

the information disclosed hereon. Neither it nor any

reproduction thereof will be disclosed to others

without the written consent of PCB Piezotronics Inc.

REVISIONS

REV DESCRIPTION DIN

NR RELEASED TO DRAFTING 48966

MODEL 065A72

WATER TUBES (REPLACEABLE)

5/16-24 UNF-2A, AN TYPE FITTING

5/16 HEX

ELECTRICAL CONNECTOR

COAXIAL 10-32 UNF-2A

2X Ø.05 [1.3] THRU

SAFTEY WIRE HOLES

5/16 HEX

6X Ø.05 [1.3] THRU

SAFTEY WIRE HOLES

1 1/8 HEX

1/2-20 UNJF - 3A

ROKIDE COATING

.010 [.25] THICK

.68 [17.3]

1.31 [33.1]

2.00 [50.8]

.37 [9.3]2X

A A

B B

CODE

IDENT. NO.

52681

DWG. NO.

SCALE: SHEET

DRAWN CHECKED ENGINEER

TITLE

UNLESS OTHERWISE SPECIFIED TOLERANCES ARE:

DIMENSIONS IN MILLIMETERS

[ IN BRACKETS ]

XX ±0.13

ANGLES 2 DEGREES

3425 WALDEN AVE. DEPEW, NY 14043

(716) 684-0001 E-MAIL: sales@pcb.com

DIMENSIONS IN INCHES

DECIMALS XX ±.01

ANGLES 2 DEGREES

FILLETS AND RADII

.003 - .005

DECIMALS X ± 0.3

FILLETS AND RADII

0.07 - 0.13

INSTALLATION DRAWING

69242

2 OF 21.25X

MODEL 124B23

WATER COOLED PRESSURE SENSOR

XXX ±.005

JDM 12/28/18 JDM 12/28/18 MJP 12/28/18

SEAL SURFACE MUST BE FLAT AND FREE OF TOOL MARKS WITH AT LEAST A FINISH OF 63 [1.6]

RECOMMENDED MOUNTING TORQUE: 5-10 in-lb

RECOMMENDED MOUNTING TORQUE: 15-30 in-lb

RECOMMENDED MOUNTING TORQUE ON HEX: 18.5-20 ft-lb

69242

PCB Piezotronics Inc. claims proprietary rights in

the information disclosed hereon. Neither it nor any

reproduction thereof will be disclosed to others

without the written consent of PCB Piezotronics Inc.

REVISIONS

REV DESCRIPTION DIN

-SEE SHEET 1-

MODEL 065A09

SEAL (3) SUPPLIED

.680 [17.27]

MOUNTING HOLE PREPARATION

12-20 UNJF-3B 2.000 [50.80]

.562 [14.27] .050[1.27]

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