Kistler 2853BR22 Owner's manual

Instruction

Manual

Signal Conditioning

Platform (SCP)

Type 2853A...

SCP Compact

Type 2854A...

SCP Slim

Type 2852A...

for Engine Indication

ä

2853A_002-291e-08.17

Foreword

2853A_002-291e-08.17 Page 1

Foreword

Thank you for choosing a Kistler quality product

characterized by technical innovation, precision and long

life.

Information in this document is subject to change without

notice. Kistler reserves the right to change or improve its

products and make changes in the content without

obligation to notify any person or organization of such

changes or improvements.

expressly provided herein, no part of this manual may be

reproduced for any purpose without the express prior

written consent of Kistler Group.

Kistler Group

Eulachstrasse 22

8408 Winterthur

Switzerland

Tel. +41 52 224 11 11

Fax +41 52 224 14 14

info@kistler.com

www.kistler.com

Signal Conditioning Platform (SCP)

Page 2 2853A_002-291e-08.17

Content

1. Introduction .................................................................................................................................... 6

2. Safety Notes .................................................................................................................................... 7

2.1 For Your Safety .............................................................................................. 7

2.2 Notes Concerning the Product ........................................................................... 8

2.3 Electromagnetic Compatibility ........................................................................... 9

2.4 Hints on the Use of these Operating Instructions ................................................... 11

2.5 Disposal Instructions for Electrical and Electronic Equipment ..................................... 11

3. Basic Concepts .............................................................................................................................. 12

3.1 Arrangement of SCP Measuring System for Engine Indication on Test Stand ................12

3.2 Arrangement of SCP Compact and SCP Slim Measuring System for Mobile Engine

Indication in Vehicle .......................................................................................13

13

3.3 Characteristics of the Signal Conditioning Platform ................................................14

3.3.1 SCP Installation Close to the Sensor ...................................................................14

3.3.2 Drift Compensation of the Piezoelectric Amplifier ..................................................15

3.3.2.1 Drift Compensation of Piezoelectric Amplifier Type 5064C... ................................. 17

3.3.3 PiezoSmart® Automatic Sensor Identification ........................................................18

3.3.4 Automatic Operating Data Acquisition – Updating for Piezoelectric Sensors ................ 20

3.3.5 Automatic Zero Point Correction (Autozero)/Needle Lift Amplifier Type 5247 ..............21

3.4 Definitions of the pMax module Type 5269/5269Y51 ........................................... 22

3.4.1 pmax value ................................................................................................. 22

3.4.2 Three Methods Levels for inlet Pressure Correction ............................................... 22

3.4.3 Thresholds .................................................................................................. 23

4. Installation and Startup ................................................................................................................. 24

4.1 In General .................................................................................................. 24

4.2 pMax module Type 5269/5269Y51 – Scope and Infrastructure ................................ 25

4.3 pMax Module – Brief Operating Instructions ....................................................... 27

4.3.1 SCP Type 2853A... for Monitoring a Maximum of 6 or 8 Channels Respectively ........... 27

4.3.1.1 Diagram of SCP Test Setup .......................................................................... 27

4.3.1.2 Infrastructure Required for SCP (incl. pInlet Measurement) ................................... 27

4.3.1.3 SCP Procedure/Check List ............................................................................ 28

4.3.2 SCP Compact for Monitoring a Maximum of 4 or 6 Channels Respectively ................. 29

4.3.2.1 SCP Compact Diagram and Test Setup SCP Compact (19"-Rack Version, 6 Slots) ....... 29

4.3.2.2 Infrastructure Required for SCP Compact (incl. pInlet Measurement) ....................... 29

4.3.2.3 SCP Compact Procedure/Check List ................................................................ 30

4.3.3 SCP Slim for Monitoring a Maximum of 6 or 8 Channels Respectively.........................31

4.3.3.1 SCP Slim Diagram and Test Setup ................................................................... 31

4.3.3.2 Infrastructure Required for SCP Slim (incl. pInlet Measurement) ............................. 31

4.3.3.3 SCP Slim/Check List Procedure ...................................................................... 32

5. The Signal Conditioning Platform (SCP) ....................................................................................... 33

5.1 The SCP Base Unit Type 2853A... ..................................................................... 34

Introduction

2853A_002-291e-08.17 Page 3

5.2 The SCP Compact Type 2854A... ......................................................................36

5.3 The SCP Slim Type 2852A... ............................................................................38

5.4 Base Unit – the SCP without Measuring Modules ................................................. 40

5.4.1 Connecting the DC-Power Supply for Type 2852A..., Y48 and 2854A... .................... 40

5.4.2 Interface Type 5615 ...................................................................................... 41

5.4.3 Analog Output Type 5225A1 ...........................................................................46

5.5 Amplifier Modules .........................................................................................47

5.5.1 Piezoresistive Amplifier Type 4665/4665Y51 .......................................................47

5.5.2 Charge Amplifier without Sensor Identification Type 5064C11/5064C21 ....................49

5.5.3 Charge Amplifier with Sensor Identification Type 5064C12/5064C13/ 5064C22

/5064C23 ................................................................................................... 51

5.5.4 Voltage Amplifier Type 5227A1Q01 ..................................................................53

5.5.5 Needle Lift Amplifier Type 5247 .......................................................................54

5.5.6 Amplifier Interface Type 5613A1Q01 .................................................................56

5.5.7 Bridge Amplifier Type 5271/5271Y51 ................................................................57

5.6 pMax Module – Hardware and Connections ........................................................59

5.6.1 Optional Supplementary Circuits .......................................................................62

5.7 pMax Module – Functionality ..........................................................................64

5.7.1 Overview of the Measuring Method ..................................................................64

5.7.2 Detailed Information on the Measuring Method (Timing Diagram) ............................66

5.7.3 Stop Signal Actuation .....................................................................................69

5.8 Signal Transmission between Individual Modules via BNC or Backplane ......................... 70

6. Setting the Measuring Module Parameters with the SCP Software .............................................. 72

6.1 Installing the SCP Configuration Software ...........................................................72

6.2 Program Start...............................................................................................73

6.2.1 Problems with Program Start ...........................................................................73

6.2.2 SCP Control Window .....................................................................................74

6.2.3 System Menu ...............................................................................................76

6.3 Setting the SCP Parameters ............................................................................. 81

6.4 Setting Measuring Module Parameters ...............................................................82

6.4.1 Setting the Parameters of the Piezoresistive Amplifier Type 4665 / 4665Y51 ...............83

6.4.2 Setting the Parameters of the Piezoelectric Amplifier Type 5064C… ..........................87

6.4.3 Setting the Parameters of Voltage Amplifier Type 5227A1Q01 .................................89

6.4.4 Setting the Parameters of Needle Lift Amplifier Type 5247 ..................................... 90

6.4.5 Setting the Parameters of the Amplifier Interface Type 5613A1Q01 ..........................92

6.4.6 Setting the Parameters of the Bridge Amplifier Type 5271/5271Y51 ..........................93

6.5 pMax Module Type 5269/5269Y51 Software and Parameter Setting .........................95

7. Changing the Data in the Sensor Data Carrier (TEDS) ................................................................ 101

7.1 Data Structure of the TEDS ............................................................................ 102

7.2 Entering the "Calibration" Access Authorization ................................................. 103

7.3 TEDS for Piezoelectric Sensors ........................................................................ 104

7.3.1 TEDS Configuration for Charge Amplifier Type 5064C... ....................................... 104

7.3.1.1 TEDS Communication with TEDS Couplings without Date Code or with Date Code

Older than 42/07 ..................................................................................... 104

7.3.1.2 TEDS Communication with TEDS Couplings with Date Code from 42/07 ................ 104

7.3.2 The "Initial Calibration Values" Area ................................................................ 105

7.3.3 The "Recalibration Values" Area ..................................................................... 107

Signal Conditioning Platform (SCP)

Page 4 2853A_002-291e-08.17

7.3.4 "Working Time and Cycles" Section................................................................. 110

7.3.5 The "User Text" Area .................................................................................... 111

7.3.6 Entering Recalibration Values .......................................................................... 111

7.4 TEDS for Piezoresistive Sensors ....................................................................... 112

7.4.1 The "Initial Calibration Values" Area ................................................................ 112

7.4.2 The "Recalibration Values" Area ..................................................................... 114

7.4.3 The "User Text" Area ................................................................................... 115

7.4.4 Entering Recalibration Values ......................................................................... 116

8. Technical Data ............................................................................................................................ 117

8.1 The SCP Base Unit Type 2853A... .................................................................... 117

8.2 The SCP Compact Type 2854A... .................................................................... 121

8.3 The SCP Slim Type 2852A... ........................................................................... 123

8.4 Technical Data for all Modules ........................................................................ 125

8.5 Piezoresistive Amplifier Type 4665/4665Y51 ...................................................... 126

8.6 Charge Amplifier without Sensor Identification Type 5064C… ................................ 128

8.7 Voltage Amplifier Type 5227A1Q01 ................................................................ 130

8.9 Needle Lift Amplifier Type 5247 ...................................................................... 132

8.10 Amplifier Interface Type 5613A1Q01 ............................................................... 134

8.11 Bridge Amplifier Type 5271/5271Y51............................................................... 135

8.12 SCP Software ............................................................................................. 137

8.13 pMax Module ............................................................................................ 137

8.13.1 Characteristics and Measurands ...................................................................... 137

8.13.2 Block Schematic Diagram .............................................................................. 139

9. Glossary ...................................................................................................................................... 140

10. SCP Event Log ............................................................................................................................. 144

10.1 Description and Format of the Event Messages ................................................... 144

10.2 Overview of Event Messages .......................................................................... 144

10.3 Description of the Event Messages ................................................................... 146

10.3.1 Event Code 4 – Charge Amplifier Overload ........................................................ 146

10.3.2 Event Code 6 – Input Offset Out of Range ........................................................ 146

10.3.3 Event Code 7 – Wrong Calibration Data ............................................................ 147

10.3.4 Event Code 8 – Remote Measure .................................................................... 147

10.3.5 Event Code 12 – TEDS Received Invalid Data from ID Chip .................................... 147

10.3.6 Event Code 13 – TEDS Received Invalid Sensitivity ............................................... 148

10.3.7 Event Code 14 – Wrong MID data ................................................................... 148

10.3.8 Event Code 15 – System Power-Up .................................................................. 148

10.3.9 Event Code 17 – TEDS Template not Supported or Data Corrupt ............................. 149

10.3.10 Event Code 20 – Output Overload................................................................... 149

10.3.11 Event Code 21 – Polarity Setting Changed ......................................................... 150

10.3.12 Event Code 39 – Sensor Connection ................................................................. 150

10.3.13 Event Code 40 – TEDS Sensor Available ............................................................ 151

10.3.14 Event Code 43 – TEDS Bouncing ..................................................................... 151

10.3.15 Event Code 79 – Engine Stop ......................................................................... 151

10.3.16 Event Code 80 – pMax ................................................................................. 152

10.3.17 Event Code 201 – Aurorange ......................................................................... 152

10.4 Charge Amplifier ......................................................................................... 153

Introduction

2853A_002-291e-08.17 Page 5

10.5 Piezoresistive Amplifier ................................................................................. 153

11. Declaration of Conformity Type 2853A... ................................................................................... 154

12. Declaration of Conformity Type 2854A.../2865B... .................................................................... 156

13. Declaration of Conformity Type 2852A… .................................................................................. 158

Total pages: 155

Signal Conditioning Platform (SCP)

Page 6 2853A_002-291e-08.17

1. Introduction

Please take the time to thoroughly read this instruction

manual. It will help you with the installation, maintenance,

and use of this product.

To the extent permitted by law Kistler does not accept any

liability if this instruction manual is not followed or

products other than those listed under Accessories are

used.

Kistler offers a wide range of products for use in measuring

technology:

 Piezoelectric sensors for measuring force, torque, strain,

pressure, acceleration, shock, vibration and acoustic-

emission

 Strain gage sensor systems for measuring force and

torque

 Piezoresistive pressure sensors and transmitters

 Signal conditioners, indicators and calibrators

 Electronic control and monitoring systems as well as

software for specific measurement applications

 Data transmission modules (telemetry)

Kistler also develops and produces measuring solutions for

the application fields engines, vehicles, manufacturing,

plastics and biomechanics sectors.

Our product and application brochures will provide you

with an overview of our product range. Detailed data

sheets are available for almost all products.

If you need additional help beyond what can be found

either on-line or in this manual, please contact Kistler's

extensive support organization.

Safety Notes

2853A_002-291e-08.17 Page 7

2. Safety Notes

It is essential for you to study the following notes; they are

for your personal safety during work with the Signal

Conditioning Platform (SCP) and to ensure long term,

fault-free operation of this unit.

2.1 For Your Safety

This product has been manufactured in compliance with

the currently valid safety regulations. It meets all relevant

regulations according to the attached conformity declara-

tion. It has left the factory in a perfectly safe condition. In

order to maintain this condition and ensure safe operation,

compliance is required with the instructions and warning

notes contained in these Operating Instructions or imprin-

ted on the product.

Please also comply with the local safety regulations concer-

ning the handling of electrical and electronic equipment.

If it is to be assumed that safe operation is no longer

possible, the equipment must be shut down and made safe

against being accidentally started up.

Safe operation is no longer possible when the product

 shows visible signs of damage

 is no longer operating

 has been in lengthy storage under unsuitable conditions

 has been subjected to rough transport conditions.

If safe operation can no longer be guaranteed, the product

must be returned immediately to the manufacturers or to

the authorized distributor for repair.

Whenever the product is connected to the power supply,

live parts can be exposed if covers are opened or if parts

are removed – except when this is possible by hand.

Adjustment, maintenance and repair work on exposed, live

parts must be avoided as far as possible. If, however, such

work is unavoidable, it must be undertaken only by a

skilled person who is familiar with the dangers involved.

Signal Conditioning Platform (SCP)

Page 8 2853A_002-291e-08.17

2.2 Notes Concerning the Product

Check all packaging for visible transport damage. Report

any such damage to the transporters and to the authorized

Kistler distributor/sales outlet.

Please check the scope of delivery before first use of the

equipment. Report any missing parts to the authorized

Kistler distributor/sales outlet.

Carry out the following safety precautions if the product is

to be transported or stored for a lengthy period of time:

 Cover all BNC, Fischer and triax connections with the

dust caps supplied.

 Make sure that no dirt can enter the product.

 The environment should be as dry and free from

vibrations as possible.

 Place the product so that neither its front nor rear side

can be subjected to pressure.

 If possible, store the product in its original packaging.

Comply with the requirements for ambient temperature for

storage and operation as stated in the technical data. If, for

example, the ambient temperature is exceeded to a

significant extent, this can permanently damage the

product.

Protect the inputs and outputs of the product against

contamination. Keep the plug-and-socket connections

clean and dry. Fit the cap supplied when a connector is not

being used.

The piezoelectric sensor and the coaxial cable connected to

it have extraordinarily high insulation values. As a result,

when an amplifier is not connected, a high voltage due to

a static charge can occur. In order to avoid damage when

connecting the amplifier, you can short-circuit the cable

directly in front of the connection with a suitable instru-

ment (such as a BNC short-circuiting cover neg., Kistler

Type 1865).

Carry out work with the product only under the specified

operating conditions. Protect the SCP against dust and

mechanical stress such as shock and vibration. Avoid high

atmospheric humidity and changes in temperature which

could lead to condensation.

Safety Notes

2853A_002-291e-08.17 Page 9

Any interruption to the equipment grounding conductor

inside or outside the equipment, or disconnection of the

grounding conductor connection represent a danger to

you and the product. Intentional disconnection is not

permitted.

The power connector must only be connected to a

socket outlet which has a grounding contact. This

protection must not be removed by an extension cable

with no grounding connection.

Blown fuses must be replaced with the appropriate types

with the specified current rating. The use of "repaired"

fuses or short-

circuiting of the fuse holder is not

permitted.

The lug on the terminal at the rear panel is connected to

the power connector ground and can be used to

connect an common grounding conductor.

2.3 Electromagnetic Compatibility

The Signal Conditioning Platform has CE conformity. The

product meets the safety requirements of EN 61010-1 as

well as the requirements for electromagnetic compatibility

according to EN 61006-6-3/4 (interference emission) and

EN 61000-6-1/2 (interference immunity).

To ensure that electromagnetic compatibility (EMC) is

maintained for the entire measuring chain, particular care

must be given to connection of the inputs and outputs of

the cable screen and to the cable installation:

 Do not install the cable in parallel with interfering con-

ductors.

 Use only screened cables.

 Ensure good connection between screen, connector case

and equipment case.

 Comply with EMC standards also on the machine side.

Signal Conditioning Platform (SCP)

Page 10 2853A_002-291e-08.17

EMC and Ground Loops

Piezoelectric sensors are normally designed, so that one of

the electrodes is on the sensor case. When it is installed,

the sensor is usually grounded by the metal structure

(safety). The amplifier has separated input grounds of

channel A und channel B in order to prevent signal

interference. A differential amplifier stage prevent ground

loops between any input ground and the output ground.

Fig. 1: Front view of charga amplifier Type 5064C21

Signal output

channel A channel B

Signal input

channel A channel B

Safety Notes

2853A_002-291e-08.17 Page 11

2.4 Hints on the Use of these Operating Instructions

These instructions describe the Signal Conditioning

Platform for engine indication Type 2852A..., 2853A... and

2854A... with the various measuring modules and the

associated configuration software.

We recommend you to read the entire operating instruc-

tions carefully. However, if you are in a hurry and already

have experience with Kistler products, you can confine

yourself to reading the specific information needed.

We have attempted to give these instructions a clear

presentation to make it easier for you to gain direct access

to the information you need. Please keep these operating

instructions in a safe place where you can retrieve them at

any time.

If you lose these operating instructions, please contact your

Kistler distributors/sales outlet and ask them for an

immediate replacement.

All details and information in these instructions may be

changed as a result of technical progress at any time

without prior notification.

Equipment modifications (conversions, upgrades etc.)

usually also result in amendments to the operating instruc-

tions. In this case, contact your Kistler Customer Service for

an update.

From now on all of the models of the platform will be

simply designated "SCP". However, where reference is

made to a special type, the full name will be given.

2.5 Disposal Instructions for Electrical and Electronic Equipment

Do not discard old electronic instruments in municipal

trash. For disposal at

end of life, please return this

product to an authorized local electronic waste disposal

service or contact the nearest Kistler Instrument sales

office for return instructions.

Signal Conditioning Platform (SCP)

Page 12 2853A_002-291e-08.17

3. Basic Concepts

3.1 Arrangement of SCP Measuring System for Engine Indication on

Test Stand

The measuring signals of the piezoelectric and piezoresis-

tive pressure sensors installed in the test engine are

transmitted by cable to the relevant amplifier modules of

the Signal Conditioning Platform. These convert the signals

to a voltage which is amplified to a standardized voltage

signal (±10 V). In a typical application, this voltage signal is

then further processed by a data acquisition unit.

To achieve maximum signal quality, the measuring signals

are conditioned in the SCP on a purely analog basis. Digital

signals are used only for setting parameters and to actuate

the measuring modules.

The individual SCP measuring modules have their para-

meters set or are actuated via a PC or a higher ranking

computer (Host) via an RS-232C interface.

Fig. 2: Measuring system arrangement on engine test

stand

Basic Concepts

2853A_002-291e-08.17 Page 13

3.2 Arrangement of SCP Compact and SCP Slim Measuring System for

Mobile Engine Indication in Vehicle

The SCP Compact 2854A131 and the SCP Slim 2852A11

are designed specifically for mobile measurements, for

example in vehicles. In addition to their compactness these

versions of the SCP are differentiated by a (10 ... 36 VDC)

power supply.

Fig. 3: Arrangement of SCP Compact and SCP Slim measuring system

Fig. 4: Arrangement of mobile measuring system in vehicle

Communication in both directions

with TEDS for automatic identification

of pressure sensors

RS-232C

analog signals

SCP Compact 2854A131

RS-232C

SCP Slim 2852A11

Signal Conditioning Platform (SCP)

Page 14 2853A_002-291e-08.17

3.3 Characteristics of the Signal Conditioning Platform

Special features and functions ensure that the SCP provides

the most accurate and reliable measuring results possible,

see following description.

3.3.1 SCP Installation Close to the Sensor

In order to minimize measuring errors due to interference

and the resulting parasitic charge transfers or interference

currents, the connecting cable between sensor and ampli-

fier input should be kept as short as possible. The SCP is

designed so that it can be installed and operated in the

immediate vicinity of the engine in the test stand cubicle.

All settings can be remote controlled from a PC with the

SCP software or from a higher ranking computer (Host).

Fig. 5: SCP installed close to the sensor

Use only low-noise cable between piezoelectric sensors

and the associated charge amplifiers. This is the only

way to ensure that noise is kept to an acceptable level.

The cables offered by Kistler provide optimized trans-

mission and signal quality, and guarantee precise signal

transfer.

Basic Concepts

2853A_002-291e-08.17 Page 15

3.3.2 Drift Compensation of the Piezoelectric Amplifier

Thermal charge transfers in the measuring element and

leakage current in the incoming leads and in the amplifier

lead to a gradual change in the measured value. This

change is called drift and, particularly if the load on the

engine changes or if uncooled sensors are being used.

During prolonged measurement this drift can lead to the

measured signal falling outside the charge amplifier's

output range of ±10 V.

This effect is largely eliminated electronically with specially

developed drift compensation. This allows measurement to be

performed for any length of time, even during engine

transients.

In its effect, drift compensation is comparable with high-

pass filter. However, switching drift compensation on does

not lead to pMax or PMI errors at excessively low speeds

as with the high-pass filter, as the function only

compensates for the drift and not the actual engine

pressure signals. For further details see capt. 3.3.2.1.

Fig. 6: Pressure measurement with and without drift compensation

Fig. 6 shows that with a compensated engine signal the

reference line remains on zero, compared to an

uncompensated signal that drifts in a negative direction.

No Drift with drift

compensation

Drift without drift

compensation

0

2

p [bar]

t [sec]

Signal Conditioning Platform (SCP)

Page 16 2853A_002-291e-08.17

Example: Drift with a Change in Load During Measure-

ment with Uncooled Sensor

When there is a change of load in the engine between

when the engine is in fired mode and when it is in unfired

mode, the combustion temperature changes. Fig. 7 shows

a measured curve with no drift compensation applied. The

signal drifts considerably.

Fig. 7: Measured curve without drift compensation

With drift compensation operating (Fig. 8), the measuring

signal does not drift. The rapid rise at the beginning of the

engine in unfired mode is recognized an erroneous signal

and compensated for after a delay.

Fig. 8: Measured curve with drift compensation

0

100

unfired mode

fired mode

0

100

unfired mode

fired mode

t [sec]

p [bar]

Basic Concepts

2853A_002-291e-08.17 Page 17

3.3.2.1 Drift Compensation of Piezoelectric Amplifier Type 5064C...

The Type 5064C... eliminates the drift of a cylinder

pressure signal with a digital drift compensation function.

The signal from the charge amplifier is acquired digitally for

this purpose. The microprocessor calculates the drift over

recent cycles and extrapolates its trend. This anticipated

drift is then fed back into the input of the charge amplifier

as reverse current. This avoids falsifying either the phasing

or the amplitude curve of the cylinder pressure signal.

Correct indication values can be calculated from the signals

of the charge amplifier.

Digital drift compensation is applied in the speed range

from 100 … 20 000 1/min.

If drift compensation is not possible or if no combustion

cycles are detected, the module automatically switches the

charge amplifier stage to the “Short” or “Long” mode.

This is indicated by the fast flashing yellow LED in

Drco/Short mode and by a slow flashing yellow LED in

Drco/Long mode. The amplifier switches back to drift

compensation automatically when a combustion cycle is

detected.

For measuring cylinder pressure signals the amplifier can

always be operated with drift compensation switched on.

However, drift compensation cannot be applied to other

signals.

Drco on/off

uC

A

D A

D

Output

Input

Signal Conditioning Platform (SCP)

Page 18 2853A_002-291e-08.17

3.3.3 PiezoSmart® Automatic Sensor Identification

PiezoSmart automatic sensor identification is an active

system for identifying individual piezoelectric and piezo-

resistive pressure sensors and accelerometers. Based on the

IEEE 1451.4 standard, this system offers Plug & Measure

capability for automatic parametrization of measuring

chains.

Fig. 9: Sensors wth sensor identification and charge

amplifier

The heart of PiezoSmart is an electronic medium known as

TEDS (Transducer Electronic Data Sheet) integrated into

the plug of the sensor cable on the amplifier side. This

TRIAX plug and the pressure sensor together constitute a

physical unit. The size and shape of the TRIAX plug fits the

standard Kistler mounting tool for M5 miniature sensors.

As the plug with the TEDS does not need to be separated

from the sensor when the sensor is installed, clear and

unequivocal allocation of sensor data is ensured in daily

test stand operation.

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Kistler 2853BR22 Owner's manual

Kistler 2853BR22 Owner's manual

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