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MSI-7300 Dyna-Link 2 Digital Tension Dynamometer

Original price $0.00 - Original price $5,088.75
Original price
$1,955.00
$0.00 - $5,088.75
Current price $1,955.00

Key Highlights

  • Ultra-Strong Aluminum or Steel Construction: Aircraft-grade aluminum up to 100,000 lb; zinc-plated mild steel above

  • Massive Load Capacities: 3¼ to 250 tons with 0.1% to 0.5% FS accuracy

  • High Visibility LCD Display: Up to 6-digit, 1.22 in tall backlit display

  • Extended Battery Life: Up to 300 hours with alkaline batteries

  • Wireless-Ready: Optional RF modem for remote displays like MSI-8000 series

  • Versatile Outputs: Serial RS-232 for data logging and system integration

  • IP65/NEMA 4 Rated: Protected from dust and water for harsh environments

  • Peak Hold and Setpoint Functions: For dynamic tension applications

  • Compatible Accessories: Crosby® shackles, remote control, alarms, and more


The MSI-7300 Dyna-Link 2 is an industry-leading digital tension dynamometer, offering superior accuracy and rugged durability for overhead lifting and force measurement applications. Whether you’re in shipping, construction, utilities, or marine operations, this compact and powerful device delivers precision tension readings from 3¼ to 250 tons.

Constructed from high-grade 2024 aircraft aluminum (up to 100,000 lb) or zinc-plated 4340 steel (above 100,000 lb), the Dyna-Link 2 is designed to withstand harsh working environments. The unit is sealed to IP65/NEMA 4 standards, providing full protection against dust and water spray.

The bright 5- or 6-digit LCD display ensures visibility even from a distance. For added convenience, an optional RF modem allows for wireless communication with MSI remote displays up to 300 feet away. And with up to 300 hours of battery life from standard alkaline batteries, it's ready for extended shifts in the field.

Add in peak hold, tare, auto-off, setpoint alarms, and serial data output, and the Dyna-Link 2 becomes an indispensable tool for safe and efficient tension management.

Specifications Table

Feature Details
Capacities 3¼ to 250 tons (see sizing chart below)
Accuracy ±0.1% FS (≤100,000 lb), ±0.5% FS (≥120,000 lb)
Display 5-digit (≤50,000 lb), 6-digit (≥100,000 lb); LCD, 1.00–1.22 in tall
Display Units lb, kg, kN, tons, metric tons
Material 2024 Aluminum (≤100,000 lb); 4340 Mild Steel (≥100,000 lb)
Enclosure Rating NEMA 4 / IP65, anodized corrosion-resistant finish
Power Source 2x C-cell (≤10,000 lb); 2x D-cell (≥25,000 lb)
Operating Time 150–300 hrs (standard); 25–30 hrs w/ RF modem
Operating Temperature -4 °F to 140 °F (-20 °C to 60 °C)
Data Output RS-232 Serial
Overload Protection 200% Safe / 700% Ultimate
Functions On/Off, Zero, Peak Hold, Tare, Setpoints, Auto-Off, Motion Filter
Wireless Option RF modem (100–300 ft line of sight range with MSI remote displays)
Warranty 2-Year Limited Warranty


Dimensional Chart (Selected Models)

WLL (tons) MSI Part A B C D E F H L N P Weight (lb)
10541 1.06 0.75 2.38 0.63 1.69 1.56 4.22 2.94 0.69 1.58 Consult
10538 1.44 1.00 3.31 0.88 2.28 2.13 5.75 4.03 0.97 3.95 Consult
17 10539 2.38 1.63 5.75 1.50 3.88 3.63 9.88 6.88 1.62 19.50 Consult
30 23650-0030 2.38 1.63 5.75 1.50 3.88 3.63 9.88 6.88 1.62 20.80 Consult
55 23650-0050 3.25 2.25 7.75 2.00 5.75 5.00 13.38 9.75 2.00 51.75 Consult
85 N/A 4.12 2.75 10.50 2.72 7.25 5.69 17.84 12.87 3.12 96.00 Consult
120 23650-0110 5.00 3.25 13.00 3.00 7.88 6.50 21.50 14.50 3.63 178.00 Consult
175 23650-0175 5.50 4.25 14.50 4.00 10.00 9.00 25.69 18.38 4.56 338.00 Consult
250 N/A 8.50 5.00 20.00 4.50 13.00 12.00

Upgrade to precision tension measurement with the MSI-7300 Dyna-Link 2. Lightweight, wireless-ready, and built to withstand industrial extremes—request a quote today or contact us for technical support.

Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
Customer Support: Contact at (844)-735-5386 or info@selletonscales.com for queries or concerns about shipping.

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