Authorised Sales, Service & Support agents for James Fisher Prolec
Authorised Sales, Service & Support agents for James Fisher Prolec

Office location:

Southern Office:

Dorchester, Dorset

t. +44 (0)1305 230318

m. +44 (0)7899 848569

f. +44 (0)7043 077211




Or use our contact form.

Sphere 24 Ltd - providing

Off Highway Plant Solutions

HS Pro (PME400)

- height/slew limiter

- controlling full 3D machine envelope 

Maximise asset performance and regulatory compliance in confined areas and under power lines with James Fisher Prolec’s HS Pro




  • Height
  • Envelope monitoring
  • Slew
  • Stability


Suitable for

  • Excavator (multiple articulations)
  • Mobile Carnes (EN13000:2010)
  • Truck mounted cranes
  • Agricultural machinery
  • Special purpose machines


PME400 is designed to control the movement of a machine in all planes; vertical and horizontal providing a 3D envelope of control around the machine. Offering multiple options for control, this system combines the slew sensing of PME300 with the 2D envelope monitoring of PME100 in one integrated solution. As for other PME systems this system comes with a high resolution, daylight-viewable screen allowing multiple configurations of the envelope to be described, monitored and controlled. Optional motion cuts on any hydraulic service are possible allowing both monitoring and control on the machine movement. The operator will benefit from Prolec’s easy to use ‘Man Machine Interface’ MMI integrated within the foundation of PME.

HS Pro (PME400) brochure


HS Pro (PME400) user manual

HS Pro (PME400) user manual - 3D envelope monitor
Adobe Acrobat document [2.1 MB]
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