CT12A INSTRUCTION MANUAL
56-101-03100-E CH. 1
May
/ 29 / 09 Page 5 of 19
CHAPTER 1: PRODUCT DESCRIPTION
1. PRODUCT SCOPE
The Barfield CT12A Digital Cable Tensiometer was designed to meet the industry’s
requirements for testing and measuring the tension of aircraft cables.
The CT12A measures the existing tension in cables, in diameters from 1/16” to 1/4”. Two dif-
ferent
unit types are available within the product line: multi-cable and single-cable. Multi-
cable units can measure up to seven different cable sizes, while single-cable units are cus-
tomized for one specific cable size. Each configuration has its own advantages, so the user
has both alternatives to select the most adequate for each particular situation.
The CT12A displays the battery life, last measured cable size, ambient temperature and cable
tension. Apart from different labels and risers, the multi-cable and single-cable units are
otherwise identical (Figure 4).
The Barfield instrument allows users to perform an entire testing operation with one hand
and without the use of conversion tables. Measurements are taken once the proper cable
size is selected and when the tool is clamped onto the cable. The instrument’s display then
shows the resulting measurement.
Figure 4: CT12A multi-cable unit
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