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Part# 12-03762
MFR Model# ACX-500-1
DescriptionCable SelectionAccuracy
Full Scale
ACX-500-13/32, 1/8, 5/32, 3/16, 1/4"2%40-50012-03762


Tensitron's 5th generation of digital aircraft cable tension meters use the latest technology, software, and design improvements to provide unsurpassed accuracy and resolution for numerous material sizes and tension ranges.

The Model ACX-1 series of Aircraft Cable Tension Meters are designed to precisely measure static tensions in aircraft cables. Indicate values in Lbs, daN or KG in flexible cables with diameters from 1/16 up to 1/4, CWT cable sizes from 5 to 25 and metric cables from 2.0mm to 4.0mm. Directly read tension from 5 to 1200 pounds (depending on model). Calibrations for 7/32 and other cable sizes can be added to the cable selection menu upon request.

Attention: Tensitron products may not be cancelled or returned.


Feature ACX-1
New Model
Large, easy-to-read Color Display
Data Logging
Standard Feature

Numerous entries can be stored for later viewing

Data can be serially exported with optional serial communication feature

Tension Range
Define Acceptable Tension Range
Amber (Low), Green (Desirable), or Red (High) Bar Graph displays above tension
Custom Calibration
10-point Calibration Feature allows for extremely precise calibrations
Tension Units
Select tension values to display in Lbs, daN or KG
Refresh Rates
Adjustable LCD Refresh Rates - three settings
Information Display
Display shows tension, battery charge level, cable diameter selected and user-stored tension values
Special Calibration
Up to 10 calibrations can be programmed into instrument, and are password protected to provide due diligence against unauthorized changes
Accuracy is +/- 2% full-scale for all menu-selectable calibrations. Accuracy for custom calibrations is material specific.
Analog Output
Analog Output option 0-5 VDC and 4-20 mA with software-definable ending sequences
Serial Output
Serial Output option (connections include DB9 and USB adaptors)
CE Certification
CE Certification
Factory calibrated and ready for use right out of the box
All calibration values traceable to National Standards
Calibration Certificate included
Cable Gage
Includes easy-to-use cable diameter gage
Improved battery & charging system resulting in up to 4X longer battery life
Power Supply
Power supply operates with input voltages from 100 - 240V
Includes several interchangeable adaptors for use with European, U.S., Australian, Asian,and other plug configurations
Automatic Shutoff
Automatic shutoff after 10 minutes of non-use
Protective Case
Durable, lightweight carrying case with foam inserts
All models typically available from stock
Made in the USA
Select the cable size you'll be measuring tension on.

SElect Material Screen

Engage the ACX-1 to your tensioned cable. Take several readings of the cable tension by disengaging and then reengaging the instrument from the cable. The bar graph will display yellow, green, or red to indicate whether tension values are within the desired range. Display will indicate and store up to five separate tension readings plus the average value of thse stored readings.

SElect Material Screen

Model Range Resolution Standard Cable Selections
ACX-100-1 5-100 lbs 0.5 lb 1/16", 3/32", 1/8", 5/32"
ACX-250-1 20-250 lbs 0.5 lb 1/16", 3/32", 1/8", 5/32", 3/16"
ACX-250-M-1 20-250 lbs 0.5 lb 2.0 mm, 2.5 mm, 3.5 mm, 4.0 mm
ACX-500-1 40-500 lbs 1 lb 3/32", 1/8", 5/32", 3/16"
ACX-CWT-1 20-250 lbs 0.5 lb CWT-5,CWT-10,CWT-15,CWT-20,CWT-25
ACX-CMB-1 20-250 lbs 0.5 lb 1/16",3/32",1/8",5/32", 3/16", CWT-5 thru CWT-25
ACX-CMB-M-1 20-250 lbs 0.5 lb 1/16",3/32",1/8",5/32", 3/16" & 2.0 mm, 2.5 mm, 3.5 mm, 4.0 mm

*Calibrations for 7/32" and for additonal metric-sized cables can be added to the cable selection menu upon request, however cables with diameters larger than 3/16" will only indicate up to approximately 90% of maximum tension range. For example, an instrument scaled for a maximum tension range of 250 lbs will display readings up to approximately 225 lbs on 7/32" diameter cables.

ACX NSN Numbers
Model NSN No.
ACX-250 6635015972610
ACX-1200-SCB 6635016026324

The ACX-1200-SCB measures up to 1200 lb tension and is calibrated for 3/16", 7x19 cable. Accuracy is 3% full-scale. Other custom calibrations can be added upon request.


(All Models: 100, 250, 250-M, CWT & CMB)


Each meter comes with a Cable Diameter Gage

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It was just what i needed very good quality,

Manuel M
February 24, 2020

Lightweight, gets into almost any tight spot, easy to use.

Henry B
January 10, 2020

Awesome little tool, very easy to use. Highly reccommend to all shops.

January 25, 2018


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What are the dimensions of these Tensitron ACX-Series digital tensiometers?

We have added a "Dimensions" tab to the webpage. You can review them there. We have also added more detailed PDF dimenions which you can find in the "Documents" tab.

Q: Is this Tensitron ACX-Series comes calibrated? with a Certificate of calibration?

It does come with a certificate of calibration in the box.

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