CTM2 Cable Tension Meter Quick-Check

Made in USA
CTM2 Cable Tension Meter
Click images to enlarge.
2 Models
CTM2-2000
- 2000 lb / 10 kN / 1000 kg - PN AWT05-508112
CTM2-10000 - 10000 lb / 45 kN / 4500 kg - PN AWT05-508111
Measures Cables 3/16" - 1" (5mm - 25mm) (OD)

The Check-Line CTM2 Digital Cable Tension Meter quickly measures tension in guy wires, zip lines, guardrail cable and overhead lines. It installs, measures and removes in seconds. The CTM2 features a precision loadcell for highly accurate measurements that do not require lookup or correction tables.

The CTM2 can be placed on a cable, measure its tension, and removed in under three seconds! There are no complex lookup tables, no conversion charts. The operator can quickly select from 20 different wire sizes and types stored in CTM2's memory. The Check-Tensioning mode graphically displays the current and target tensions for extremely quick setting of line tension. Even the infrequent battery changes are quick.

The CTM2 is used in many industries to ensure proper tensioning. Typical applications include tower and stack guy wires, zip lines, pretensioned cable barriers, bridges, elevators, winch rope, overhead electric transit wires, fall arrest systems, aircraft cables and utilities.

cable tension meter features

Features

  • Includes NIST-Traceable Calibration Certificate
  • 2 Year Warranty
  • Stores calibrations for up to 20 unique wire sizes and types up to 1 inch max. (25 mm)
  • Portable and rugged – designed for outdoor use
  • Telescoping handle engages meter quickly with minimal effort
  • Uses stanadrd AA Batteries for up to 120 hours of use
  • User-selected units of measure of Lbf, Kgf or Newtons
  • CE Certified

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Calibration

Suggested wire calibrations:
Calibrate each cable diameter installed with the most appropriate sheaves. If two cable types are used of the same diameter (e.g. ½” 7x7 and ½” 6x19), calibrate each type independently if accuracy is critical.

Recalibration: At user discretion. Commonly 24 months but should be more frequently with heavy use. Factory recalibration conducted typically in 2-4 days.

Custom Calibration Available
The CTM2 can be calibrated with a customer supplied sample if none of the factory calibrated materials are suitable. In this case a 10 ft. sample must be supplied (non-returnable).

Complete Kit

The CTM2 is supplied as a complete kit including tension meter, instruction manual and calibration certificate in a heavy duty carrying case.
cable tension meter kit

Specifications

CapacityCTM2-2000 - 2000 lb / 10 kN / 1000 kg
CTM2-10000 - 10000 lb / 45 kN / 4500 kg
Resolution (Selectable)CTM2-2000 Low 10lb/5Kg - Med 5lb/2Kg - High 2lb/1Kg
CTM2-10000 Low 50lb/20Kg - Med 20lb/10Kg - High 10lb/5Kg
*Default Setting is Medium
Wire sizes3/16 inch through 1 inch (4.75 - 25mm)
Accuracy±3% instrument capacity
Number of calibrationsUp to 20 can be stored independently
Operating Temperature-4°F to 158°F (-20°C to 70°C)
Loading errorCable elongation of only 0.08 inch (2mm)
DisplayInformative Display: Shows Unit, Wire Type, Sheave & Battery;
Date and TimeIncluded
Calibration ReminderIncluded (set by factory)
BacklightIncluded (configurable intensity and timer)
PowerAA batteries x2
Battery Life10 Hz = over 250 hours continuous
100Hz = over 100 hours continuous
*Tested with blacklight off
AZT (Automatic Zero Tracking) & FilteringConfigurable AZT and Filtering
Carrying CaseIncluded
RS-232 Port4-Pin Lemo RS-232 output
Sheave rangeSheave accommodates rated cable size and 1/2" smaller. Sheaves are not compatible with larger wire sizes - order additional sheaves for wire sizes.
Units Of Measurepound-force, kilogram force, Newtons
Environment protectionSuitable for continued outdoor use
Dimensions10 x 23 x 3 inch (25 x 59 x 8 cm)
WeightApprox 11 lb (5 kg)
Shipping Weight25 lbs (11.4 kg)
Shipping Dimensions29 x 19 x 9 inches (74 x 48 x 22 cm) with carrying case
Warranty2 Years

What Size Sheaves should be Selected?

Three sheave sizes are available. For most applications one sheave set for the entire assortment of wire they tension will be sufficient. If you need to check tension in both 3/16" and 3/4" rope, then they should order two sheave sets. The operator must use the appropriate sheave set for the wire size and calibration stored. Changing sheaves sets takes about two minutes with the included wrench.

Calibration

The CTM2 needs to be calibrated in advance for each wire diameter / wire construction you will be measuring. 1 calibration is included at no charge, each additional calibration is $120.

When listing cables you must provide the diameter & construction, for example;
Cable 1: 1/2", 1x7
Cable 2: 3/4", 1x19

Complete List of Calibrations Samples Available: Click here to view complete list of calibrations (EXCEL FILE)

Wire
Diameter
Wire
Construction
Inch
1x6
1x7
1x19
3x7
6x7
6x19
6x26
6x36
6x37
7x19
8x19
19x7
3/16
X
X
X
X
X
1/4
X
X
X
X
X
9/32
X
X
5/16
X
X
X
X
3/8
X
X
X
X
X
X
X
X
7/16
X
X
X
X
X
X
1/2
X
X
X
X
X
X
X
9/16
X
X
X
X
5/8
X
X
X
X
X
X
X
X
11/16
X
X
3/4
X
X*
X
X
X
X
X
13/16
X
7/8
X
X
X
X
1
X
X
MM
1x6
1x7
1x19
3x7
6x7
6x19
6x26
6x36
6x37
7x19
8x19
19x7
5
X
6
X
7.8
X
X
8
X
9
X
9.5
X
9.6
X
X
10
X
10.5
X
11
X
12
X
X
X
X
12.5
X
13
X
X
14
X
X
15
X
16
X
X
17
X
18
X
20
X
X
25.4
X
X
* = Pre-stretched

ACSR Cable - #2, #4, 1/O, 2/O, 4/O, 336 Oriole, 397, 556, 563 Penguin, 743 Chickadee, 997 Petunia, 795 Drake

Calibration load may be changed if desired. Higher calibration loads are limited by max. capacity of the sling. If the desired wire size/type does not appear, customer may supply 10 ft. sample of wire to determine if a custom calibration sling can be created (non-returnable). Consult factory for details.


Ordering Example
Item Description
CTM2-10000 CTM2-10000 Cable Tension Meter
CTM-SH-S Code S Sheave for 1/4" to 3/4"
CTM-CAL1 1st Calibration Free EX: 5/16" 1x7
CTM-CAL2 Optional Calibration* EX: 1/2" 6x19
*20 separate calibrations maximum

CTM2-10000 Cable Tension Meter, includes calibration on one factory sample. SPECIFY diameter and wire construction.

Downloads

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Check the items you would like to purchase then click "Buy Now"
  Item Description Price  
Cable Tension Meter, 2000lb Capacity with 1 set of sheaves, Calibration for 1 Wire Size / Construction and carrying case pn AWT05-508112
$2,595.00
Cable Tension Meter, 10,000lb Capacity with 1 set of sheaves, Calibration for 1 Wire Size / Construction and carrying case. pn AWT05-508111
$2,725.00
Cable Tension Meter, 10,000lb Cap with 2 sets of sheaves (P,T) and case, Pre-Calibrated with 16 calibrations - Click to view calibrations pn AWT05-508251
$4,525.00
Accessories
CTM-SH-L
Code L Sheave up to 1/4" cable (1 set included with purchase of meter, extra sheaves $255.)
$0.00
CTM-SH-P
Code P Sheave up to 1/2" cable (1 set included with purchase of meter, extra sheaves $255.)
$0.00
CTM-SH-S
Code S Sheave for 1/4" to 3/4" (1 set included with purchase of meter, extra sheaves $255.)
$0.00
CTM-SH-T
Code T Sheave for 1/2" to 1" (1 set included with purchase of meter, extra sheaves $255.)
$0.00
CTM-CAL1
1st Calibration (no charge, additional $120 each)
$0.00
CTM-CAL2
2nd Calibration (optional)
$120.00
CTM-CAL3
3rd Calibration (optional)
$120.00
AWT20-508267
Cable Diameter Gauge, Quickly Identifies Cable Size
$25.00
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