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MSI-4300 Port-A-Weigh Plus Crane Scale

MSI-4300 Port-A-Weigh Plus Crane Scale

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MSI-4300 Port-A-Weigh Plus Crane Scale

A Digital Crane Scale Built to Last


The Port-A-Weigh Plus is world renowned for safe and reliable use in heavy-duty industrial crane scale applications. No other crane scale compares with the advanced features and benefits provided by the MSI-4300.

Port-A-Weigh Plus includes an extra large 1.6 inch (40mm) alphanumeric LCD display with adjustable backlighting providing user-friendly visibility from a distance in day or night conditions. Full digital calibration and self-diagnostic circuitry ensure simple and cost effective maintenance over a long and useful product life. All electronics are securely shock mounted in a robust NEMA Type 4/IP66 enclosure including dual O-ring sealing gaskets to ensure watertight integrity in washdown and marine applications.

The Port-A-Weigh Plus is the ideal crane scale for all heavy-duty applications in nearly any industrial environment.


Standard Features

  • Crane scale unit with six-digit, 1.6 in (40 mm), backlight LCD display

  • Top lifting eye or shackle, bottom thrust bearing swivel hook

  • 12 volt rechargeable battery and universal 115/230 VAC, 50/60 Hz battery charger (NA plug standard)

  • Meets or exceeds OSHA, ANSI, ASME and other safety design standards (5:1 Ultimate Safety Factor)

  • NTEP Certified configuration


  • D-cell battery option, provides up to 2,000 hours of operation

  • Substitute bottom swivel hook with shackle

  • Oversized top-lifting eye or shackle

  • Oversized bottom hook

  • Universal direct power supply; 85-265 VAC, 47-440 Hz /130-300 VDC

  • Low headroom top adapter

  • Audible setpoint alarm

  • Custom top and bottom interfaces

  • Crane scale cart


±0.1% +1 d of applied load

3,000 to 5,000 d standard (Up to 10,000 d available)

NEMA Type 4, IP66, marine grade 356 alloy anodized cast aluminum

Top Lifting Eye, Shackle & Hook:
Crosby® or equal with 360° thrust-bearing swivel hook

Design Overload:
200% Safe / 500% Ultimate (except where noted)

Power, zero, net/gross, tare and programmable test/user

6 digit, 1.6 in (40 mm) LCD (upper) 8 digit, 0.8 in (20 mm) LCD (lower) with adjustable display contrast

Displayable Units:
Pounds, kilograms, tons, and metric tons selectable

12 V rechargeable battery. 115/230 VAC battery charger included

Operating Time:
300 hours with typical use

Operating Temperature:
5°F to 122°F (-15°C to 50°C)

OFF, LO, Medium and HI selectable

One-year limited

NTEP CC 92-176 - 5,000 lb (2,500 kg)
Measurement Canada AM-4984

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