Tension Load Cell Dynamometer

Tension Load Cell Dynamometer

All Massload’s tension load cells are made with the highest quality materials and manufactured through our specialized Quality Management System. Our in house engineering team will work with you to guarantee the development of a tension link that meets all your requirements.

Our tension load cells are designed using the latest technology in 3D modeling and FEA analysis.

Custom tension load cells are available in capacities up to, and exceeding, one million pounds and can be designed to meet industrial safety factors of up to 1000% overload protection. Millivolt output or signal conditioning utilizing a 4-20 mA output for PLC interface are available.


  • Made in Canada tension load cell for crane, winching, lifting, and hanging scale applications
  • Rugged design for resistance to side loading
  • Capacities: 10,000 lbs, 25,000 lbs, 50,000 lbs, 75,000 lbs, 100,000 lbs, 150,000 lbs, 250,000 lbs
  • Tension load accurate to 0.1% FS with multi-point calibration
  • Custom tension capacity available
  • Light weight and portable
  • Small size for reduced head space
  • Output/display options include cabled, wireless, 4-20mA, 0-10V, +/- 10V, 0-5V

Product Details

Tension Load Cell Dynamometer

This dynamometer load cell is suitable for tension applications such as winching, hanging crane scale, and lifting systems. Openings at either end of the crane load cell allow for easy connection to shackles, wire rope, or other rigging. These hanging scales are available in capacities ranging from 10,000 lbs to over 250,000 lbs. Custom dynamometer capacity, size and safety factor is also available upon request. Each tension load cell is temperature compensated and environmentally sealed.

Massload Wireless Tension Link Dwg

Massload Tension Link Dimensions

Wireless Tension link Dimensions Massload Technologies


Capacities (pounds)

10,000 lbs, 25,000 lbs, 50,000 lbs, 100,000 lbs, 150,000 lbs, 250,000 lbs;
Custom capacity tension scales available


Tension load accurate to 0.1% FS with multi-point calibration

Safe Overload

200% full scale safe overload

Ultimate Overload

400% full scale ultimate overload

Full Scale Ouput

2 mV/V nominal

Maximum Excitation

10 volts DC

Operating Temp

-40°C to +80°C

Compensated Temp

-10°C to +40°C

Sealing Standard

IP-67 protected from dust and high pressure jets of water


Electroless nickel coated high strength alloy steel

Bridge Resistance

350 Ohm


Tension load is displayed via external indicator that communicates wirelessly with the tension link. Our new 2.4 Ghz wireless crane scales have a transmitter and battery box attached to the load cell to communicate with the indicator (see wireless digital indicator). The scale is powered by 2 AA batteries providing up to 500 hours of continuous use. The tension meter enters sleep mode when not in use to prolong battery life and has an open field wireless range of 2000 ft at 3m height.


Massload wireless load shackles are based on the industry standard Crosby shackle and come in capacities ranging from 8.5t to 55t. Equipped with clip lock pin for fast assembly and dissassembly. Our 2.4Ghz wireless transmitters can provide a open field range up to 2000 ft at 3m height and can be display on a single channel or multi-channel hand held receivers.


Massload regrets to announce that the WL-700 900 Mhz wireless tension link with WL-8600 LCD display was discontinued in 2020 and has been replaced by our 2.4Ghz WL-724 wireless tension link family. Parts will be available till the end of 2022 while stocks last. Massload is offering an economical upgrade by converting the legacy wireless tension link to the new 2.4Ghz wireless platform. This can be conveniently performed at re-calibration or repair.


Tension measurement can be displayed by an indicator via wired connection (see wired digital indicator) . The cable connection between the crane load cell and display can be a seal-over hard connect. This is suitable for installations where the dynamometer is not expected to be disconnected from the indicator. Standard cable length is 40 ft but custom cable lengths are available.


External indicators can also be connected to the tension load cell via 4-pin military style quick-disconnect. This allows for easy disconnection and reconnection from the load cell should the crane scale ever need to be moved, repaired, or stored. The drawback of military connectors is that their sealing standard is not as high as hard-wired connections. Quick Disconnect cable comes in 10 ft, 20 ft, and 50 ft lengths.


The recommended indicator for tension applications is the M2000. If the crane is located outside, the M2000 should be purchased in a NEMA enclosure (see left photo) to protect against dust and water. Various enclosures are available (see below images) and more details about the M2000 are available on the Instrument Solutions website.


The M2000 is available with a setpoint option card. These are overload detection and protection devices. Setpoints utilize solid state relays that can be used to trigger alarms or switch devices (i.e. motors) on or off at specified weights. When ordering the Setpoint option the type of device (AC or DC) being switched must be specified. Setpoints are frequently used in digital hanging crane scale applications.


The M2000 can be loaded with a special program that allows a hanging crane scale operator to adjust the indicator for multiple “Parts of Line”. The program is configurable for one to twelve parts of line and the software will be provided free of charge when needed with the purchase of an M2000 indicator and a crane scale dynamometer.


Remote score boards are often referred to as “remote displays”. This type of display must be used in conjunction with a digital indicator equipped with a serial output. The remote display mirrors what is displayed on the weight indicator. They are used in applications where weighing information needs to be seen at a distance from the indicator. Score boards are available in 2″ (50 ft visibility), 4.5″ (250 ft visibility) and 6.5″ (300+ ft visibility) lettering.


We can supply 4-20 mA ouput versus standard mV/V signal. The design incorporates a load cell shield connection and polarity insensitive current loop connections. It is not susceptible to damage from shorting loop leads together or to ground during operation and is specifically designed for ESD hazardous environments. These converters are ideal for systems that require a PLC.

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