Dead End Wireline Tension Monitor

Dead End Wireline Tension Monitor

Massload’s rugged and reliable industrial grade Dead-End Cable Tension Monitor “Deadline Sensor” clamps onto a fixed wire rope dead end creating a small cable deflection to monitor cable tension. It supports wire rope diameters from 0.75″ to 2.0″ and rope tension from 20,000 lbs to 100,000 lbs. Output options include cabled, wireless, 4-20mA, 0-10V, 0-5V, +/- 10V. Typically used as a safe overload indicator in applications such as oilfield wireline tension measurement. Made with the highest quality materials and fully manufactured in-house through our VCAP certified Quality Management System.


  • Simple clamp-on design for tension measurement where a dead end is not available
  • Can attach to the middle of any cable
  • Can be moved easily to other wire rope as required
  • Industry standard 4-20mA signal
  • Quick disconnect connector to loadcell
  • Classified as a safety device rather than a weigh scale
  • 2 Year warranty

Product Details

Crafted for precision and reliability, this Massload’s rugged and reliable industrial grade Dead-End Cable Tension Monitor “Deadline Sensor” offers a versatile solution for monitoring cable tension without a fixed dead end.

Engineered to securely clamp onto wire rope ends, it induces controlled deflection, allowing accurate and efficient tension measurement across wire diameters.

  • Accurate strain gauge measurement
  • Designed for all deadline tension, electronic sensing applications
  • Simple clamp-on design requires no deadline anchor
  • Environmentally sealed load cell operates in the harshest of environments
  • Easy to use
  • Installs on wire rope from 3/4″ to 2″ diameter
  • Electronics are protected from reverse wire hook up
  • Industry standard 4-20mA signal


Capacity (pounds)

up to 100,000 lbs line tension

Rope Diameter

0.75″ to 2″


With field calibration, tension load accurate to 0.5% full scale

Maximum Excitation

13V to 28V DC

Operating Temp

-40°C to +80°C

Compensated Temp

-10°C to +40°C

Sealing Standard

IP-67 protected against high pressure jets of water


External indicators can be connected to the deadline via 4-pin military style quick-disconnects. This allows for easy disconnection and reconnection from the deadline should it need to be moved or stored. Standard quick disconnect cable length is 50 ft, but custom lengths can be provided as well.

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