TENSITRON ACM-100, ACM-200, ACM-300, ACM-400, ACM-600 Operating Instructions Manual
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ACM Series Instrument www.tensitron.com pg. 1
Operating Instructions
ACM and CWT Series Mechanical
Aircraft Cable Tension Meters
ACM Series Instrument www.tensitron.com pg. 2
TABLE OF CONTENTS
1. WARRANTY POLICY ..................................................................................................... 3
2. SPECIFICATIONS .......................................................................................................... 4
3. SAFETY ......................................................................................................................... 5
4. INSTRUMENT DETAILS ................................................................................................. 5
Standard Instruments, cable diameters, accuracy ................................................. 5
Features of all Instruments .................................................................................... 6
5. BASIC OPERATION ....................................................................................................... 6
Before Use .............................................................................................................. 6
Selecting the Riser .................................................................................................. 6
Engaging Instrument onto Cable ............................................................................ 7
Saving a Reading Using Memory Lock Feature ....................................................... 8
Converting Readings to Tension Values with Calibration Chart ............................. 9
Maintaining Your Meter ....................................................................................... 10
6. ADVANCED OPERATION ............................................................................................ 10
Checking Accuracy ................................................................................................ 10
Recalibrating ........................................................................................................ 11
7. APPENDICES .............................................................................................................. 12
Appendix 1: RISER USAGE CHARTS ....................................................................... 12
Appendix 2: BLANK CALIBRATION CHARTS........................................................... 12
o ACM-100 .......................................................................................................... 12
o ACM-200 .......................................................................................................... 13
o ACM-300 .......................................................................................................... 13
o ACM-600 .......................................................................................................... 14
o CWT-150 .......................................................................................................... 14
o CWT-300 .......................................................................................................... 15
Appendix 3: TROUBLESHOOTING ......................................................................... 15
ACM Series Instrument www.tensitron.com pg. 3
Proprietary Notice
This document contains proprietary information which may not be
reproduced in whole or in part without the written permission of
Tensitron, 733 South Bowen Street, Longmont, CO 80501.
Tensitron reserves the right to make instrument changes and
improvements which may not be reflected in this document. Portions
of this document may have been updated to include the latest
hardware or firmware version, if applicable. We recommend that this
document be read in its entirety before any attempt is made to
operate the instrument.
Thank You . . .
For purchasing another fine product from Tensitron.
If you have any questions or need assistance, please call us at
303-702-1980 or find us online at www.tensitron.com
1. WARRANTY POLICY
STANDARD EQUIPMENT WARRANTY
Tensitron warrants that all Tensitron-manufactured equipment will be free of any defect in materials or
workmanship for the period of (1) year. Warranty begins from the date of shipment from a Tensitron facility.
The warranty is extended to customers and applies to all Tensitron-manufactured equipment purchased,
installed, and used for the purpose for which such equipment was originally designed. The above warranties
cover only defects arising under normal use and do not include malfunctions or failures resulting from misuse,
abuse, neglect, alteration, problems with electrical power, usage not in accordance with product instructions,
acts of nature, or improper installation or repairs made by anyone other than Tensitron or a Tensitronauthorized, third-party service provider. Shipping costs to and from Tensitron are not included in the warranty
coverage.
ACM Series Instrument www.tensitron.com pg. 4
2. SPECIFICATIONS
Dimensions (L x W x D)
All ACM models except ACM-600: 8.24” x 3.38” x 1.56”
ACM-600 only: 8.24” x 5.20” x 1.56” (See Figure 1)
Full Scale Accuracy
ACM-100, ACM-200 and ACM-150-CWT: 4%
ACM-300, ACM-400 and ACM-300-CWT: 6%
ACM-600: 8%
Accuracy for custom calibrations is material specific
Operating Temperature
32º F to 120 º F.
Storage Temperature
20º F to 158º F.
Ambient Humidity
10% to 90% non-condensing
Weight
1.5 lb
Environment:
Indoor or outdoor use, dust-free environment.
Figure 1: ACM Dimensions
All ACM and Models
except ACM-600
ACM-600 only
ACM Series Instrument www.tensitron.com pg. 5
3. SAFETY
READ AND SAVE ALL INSTRUCTIONS FOR FUTURE USE. Before use,
ensure all users read and understand this manual, as well as any labels
packaged with or attached to the instrument.
Know your instrument. Read this manual carefully to learn your tension
meter’s applications and limitations, as well as the potential hazards
associated with this type of instrument.
Use the right tool or instrument. Do not use this instrument to do a job for
which it is not recommended.
Check for damaged parts. Inspect instrument before use. Check for any
binding of moving parts, improper mountings, broken parts and any other
condition that may affect operation. Do not use a damaged instrument.
Tag damaged instrument “DO NOT USE” until repaired.
Maintain instrument carefully. Keep handles dry, clean and free from oil
and grease. Do not lubricate. All roller bearings are sealed.
Do not use instrument if it has received a sharp blow, been dropped or
damaged in any way. Do not disassemble. Incorrect reassembly may
damage the instrument.
If instrument is damaged return it to Tensitron for repair.
4. INSTRUMENT DETAILS
Standard Instruments, cable diameters, accuracy
Model #
Cable Selection
Full Scale
Accuracy
(+/-)
Total error
allowed (+/-)
ACM-100
1/16”, 3/32”, 1/8”, 5/32”
4%
4 lbs.
ACM-200
1/16”, 3/32”, 1/8”, 5/32”, 3/16”, 1/4”
4%
8 lbs.
ACM-300
3/32”, 1/8”, 3/16”, 1/4”
6%
18 lbs.
ACM-400
3/32”, 1/8”, 5/32”, 3/16”
6%
24 lbs.
ACM-600
1/8”, 5/32”, 3/16”, 1/4”
8%
48 lbs.
ACM-150-CWT
(formerly CWT-150)
5, 10, 15, 20 & 25 CWT cables
4%
6 lbs.
ACM-300-CWT
(formerly CWT-300)
10, 15, 20 & 25 CWT cables
6%
18 lbs.
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