barfield CT12A User manual

CT12A Digital Cable Tensiometer
USER INSTRUCTION MANUAL
BARFIELD M/N CT12A
Doc. P/N: 56-101-03100
Revision E
May 29, 2009
______________________________________
BARFIELD, INC.
Corporate Headquarters
4101 Northwest 29th Street
Miami, Florida 33142
www.barfieldinc.com
Email: [e-mail]
To buy, sell or trade in this product click on the link below:
http://www.avionteq.com/Barfield-CT12A-Digital-Cable-Tensiometer-PN-101-03100.aspx
www.avionteq.com

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CT12A INSTRUCTION MANUAL
56-101-03100-E CONTACT
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CONTACT INFORMATION
Users are requested to notify the manufacturer of any discrepancy, omission, or error
found in this manual. Inquiries should include specific questions and reference the
publication title, number, chapter, page, figure, paragraph, and effective date.
Please send comments to:
TECHNICAL CUSTOMER SUPPORT - GSTE
BARFIELD, INC.
P.O. BOX 025367
MIAMI, FL 33102-5367
USA
Telephone [phone]
[phone]
Fax [phone]
Email [email protected]

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CT12A INSTRUCTION MANUAL
56-101-03100-E ATT
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ATTENTION
Although every effort has been made to provide the end user of this equipment with the most
current and accurate information, it may be necessary to revise this manual in the future. Please
be sure to complete and return a Revision Request Form to Barfield revision services and visit
the company website, http://barfieldinc.com/, for publication updates.
Additionally, Barfield MUST have your name and address on file as a registered user of this
equipment to ensure validation of the warranty. Please complete the OWNER WARRANTY
REGISTRATION card promptly. This card ensures validation of the warranty.
Please send to:
Barfield, Inc.
P.O. Box 025367
Miami, FL 33102-5367
USA

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CT12A INSTRUCTION MANUAL
56-101-03100-E DISCL
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DISCLAIMER
Barfield Inc., neither a vendor nor supplier of aircraft cable tension regulator systems or an air-
frame manufacturer, has no control over calibration procedures or figures of aircraft cables.
Users are recommended to consult their aircraft maintenance manual or the like in accordance
to cable tension rigging procedures.
Pictorial representations of the CT12A are similar to but not necessarily identical to that of the
physical unit. Figures and diagrams are presented for reference only.

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CT12A INSTRUCTION MANUAL
56-101-03100-E REV
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REVISION RECORD
REV. ECO # REV. DATE DESCRIPTION OF CHANGE
- N / A Jul /05 /06 Initial Release.
B 260-00681 Oct /11 /06
Revisions made to reflect disclaimer, additional
cautionary notes for CT12A use and options in
calibration services.
C 260-00697 May /17 /07 Revisions made to reflect new CT12A lever design
and Averaging Mode feature and operation.
D 260-00730 Jul /24 /08 Incorporation of Verification Bar. Company Logo
was updated.
E 260-00750 May /29 /09
Cable applicability (Ch. 2, section 4) was clarified.
Table 3 (page 17) was updated. Note on Battery
recharging (Ch. 3, section 11) was updated.

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CT12A INSTRUCTION MANUAL
56-101-03100-E MAINT
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LIST OF APPROVED REPAIR FACILITIES
The manufacturer of this equipment does not recommend the user to attempt any maintenance
or repair. In case of malfunction, contact the manufacturer, to obtain the list of approved repair
facilities worldwide, ensuring that this equipment will be serviced using proper procedures and
certified instruments. A Return Maintenance Authorization (RMA) number will be assigned dur-
ing this call, to keep track of the shipment and the service.
BARFIELD PRODUCT SUPPORT
DIVISION Shipping Address:
Telephone [phone]
[phone]
Fax [phone]
Barfield, Inc.
4101 NW 29th Street
Miami, Florida 33142
USA
Mailing Address:
Barfield, Inc.
P.O. Box 025367
Miami, FL 33102-5367
USA

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CT12A INSTRUCTION MANUAL
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TABLE OF CONTENTS
Contact Information
Attention Page
Disclaimer Page
Revision Record Page
List of Approved Repair Facilities
Table of Contents
List of Figures and Tables
CHAPTER ............................................................................................PAGE
INTRODUCTION
1. PUBLICATION BREAKDOWN .....................................................................1
2. INFORMATION PROVIDED WITH THE UNIT.............................................1
3. RECERTIFICATION .....................................................................................3
4. APPLICABILITY ...........................................................................................3
1 PRODUCT DESCRIPTION
1. PRODUCT SCOPE ......................................................................................5
2. CT12A FEATURES ......................................................................................6
3. PHYSICAL DESCRIPTION ..........................................................................6
2 PRODUCT SPECIFICATIONS
1. PHYSICAL DATA .........................................................................................9
2. POWER CHARACTERISTICS .....................................................................9
3. TEMPERATURE CHARACTERISTICS .......................................................9
4. CABLE APPLICABILITY...............................................................................9
5. TOLERANCES FOR TENSION MEASUREMENT.......................................9
6. SPECIFICATIONS FOR CT12A MODEL NUMBERS .................................10
3 OPERATION
1. DETERMINING THE UNIT CONFIGURATION...........................................11
2. POWERING ON THE UNIT AND INTRODUCTORY DISPLAY ..................11
3. SELECTION OF THE OPERATING MODE ................................................11
4. TAKING A TEMPERATURE READING ......................................................12
5. SETTING THE DISPLAY BACKLIGHT .......................................................12
6. SETUP OF CT12A FOR TAKING TENSION MEASUREMENTS ...............13
7. TAKING TENSION MEASUREMENTS.......................................................14
8 HOLDING A TENSION MEASUREMENT...................................................16
9. USE OF THE VERIFICATION BAR ............................................................16
10. POWERING OFF THE CT12A ....................................................................18
11. RECHARGING THE CT12A BATTERY ......................................................18
4 RECEIVING, SHIPPING, AND STORAGE
1. RECEIVING.................................................................................................19
2. SHIPPING ...................................................................................................19
3. STORAGE ...................................................................................................19

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CT12A INSTRUCTION MANUAL
56-101-03100-E LOFT
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LIST OF FIGURES & TABLES
Page
Figure 1: Identification Label...............................................................................................................1
Figure 2: Owner Warranty Registration Card......................................................................................2
Figure 3: Limited Warranty Statement Card .......................................................................................2
Figure 4: CT12A multi-cable unit ........................................................................................................5
Figure 5: Front view of single-cable CT12A unit .................................................................................7
Figure 6: Front view of multi-cable CT12A unit...................................................................................8
Figure 7: Two views of the correct placement of the Verification Bar ................................................ 17
Figure 8: CT12A with Battery Charger Accessory .............................................................................18
Table 1: CT12A Components Description .........................................................................................6
Table 2: Descriptions and Measurement Specifications per Model Numbers ..................................10
Table 3: Specifications of Verification Bars.......................................................................................17

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CT12A INSTRUCTION MANUAL
56-101-03100-E INTRO
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INTRODUCTION
1. PUBLICATION BREAKDOWN
This user instruction manual establishes the standards of operation for Barfield’s CT12A
Digital Cable Tensiometer.
2. INFORMATION PROVIDED WITH THE UNIT
Besides this User Instruction Manual, the Tensiometer is provided with the four items de-
scribed below.
A. The identification label, similar to Figure 1, is located on the back of the tensiometer and
provides the following information:
Manufacturer Name
Equipment Designation
Equipment Model Number
Equipment Modification (if applicable) Equipment Part Number
Equipment Options (if applicable) Equipment Serial Number
Figure 1 IDENTIFICATION LABEL
P/N: 245-00088
S/N:
CT12A
P/N:
M/N:
MADE IN USA
OPT
AB
CD
EF
AB
CD
EF
a Sabena technics company

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B. The Owner's Warranty Registration card (Figure 2) is to be completed by the owner and
returned to Barfield, Inc. within ten (10) days of purchase to ensure automatic update of
printed matter and validation of warranty.
Figure 2 OWNER WARRANTY REGISTRATION CARD
C. The Limited Warranty Statement Card (Figure 3) lists the manufacturer's obligation to
the original purchaser.
Figure 3 LIMITED WARRANTY STATEMENT CARD