CT12A INSTRUCTION MANUAL
56-101-03100-E CH. 1
May
/ 29 / 09 Page 6 of 19
2. CT12A FEATURES
• 10-year useful life span
• 4-character digital display
• Rugged ergonomic design
• No conversion table required
• One year calibration cycle
• Higher tension measurements
• 25 to 1000 pound range (US Standard)
• Single cable fixed riser or multi-cable riser
• Ten (10) minute automatic shutoff feature
• Standard Mode and Averaging Mode options
• Cable readings adjusted to pounds or Newtons during calibration stage*
3. PHYSICAL DESCRIPTION
Table 1: CT12A Components Description, referred to Figs. 5 and 6.
ID Name Description and Function
1 Riser Grips cable under test.
2 Plunger Conducts pressure to load cell from cable.
3 Lever Applies and releases pressure to cable under test.
4 Display window
Four-character screen displays results of calculated cable
measurements, temperature, function selections, and battery
power availability. User views cable size and riser setting for
selection.
5 On / off button
Press to turn instrument ON. With instrument ON, press and
hold in (3 seconds) to turn instrument OFF.
6 LED
Illuminates to indicate the standard selected with its tension
measurement unit: LED 1: LBS or US Standard; LED 2: N
(Newtons) or CWT (European Standard)*.
7
Backlight
/ cable
selector
Backlight activation. For multi-cable units: press and hold to
change to Menu Mode or change cable size.
8 Measure / hold
Changes Operating mode if not currently measuring.
If measuring, press to hold current value (temp. or tension).
9
Battery charger
port
Female DC power jack used to connect battery charger cable to
instrument.
10 PC port
Located on back of CT12A. A 4-pin connector to connect PC
cable to instrument’s 2x5 COMM port during calibration mode.
11 Skids Prevents instrument from sliding off aircraft surface.
12 Cable gauge Determines cable size to be tested.
13
Label
/ quick
reference guide
Abbreviated instruction reference guide.
∗ Note: Pounds to Newtons automatic conversions available in future CT12A models.
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