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ProScan HEP4 (Nikon)


Encoded High Resolution Stage For Nikon Upright Microscopes

The HEP4 is an encoded motorized XY stage adapted for Nikon upright microscopes

The most accurate and precise stage in the ProScan H101 range, it uses a 1 mm pitch ballscrew and 400 step motor drive configuration to provide four times the resolution of the H101A stage, making it ideal for applications that require reliable, short stage movements. 

Linear encoders ensure long-range repeatability while Prior's patented Intelligent Scanning Technology (IST) optimizes stage accuracy and linearity.

The HEP4 (Nikon) accommodates a variety of specimen types including glass slides, multiwell plates, semiconductor wafers, and metallurgical samples. Alternative drive configuration options may be available depending on your region.

This stage is compatible with Nikon NIS Elements software (appropriate package required).  

See the product compatibility tab for the full list of options available.

This is an ‘OEM & Batch Order’ product. For more information visit our FAQs section.


    • Adapted for Nikon upright microscopes
    • 100 nm linear encoders for enhanced repeatability
    • High step resolution and accuracy
    • Wide range of sample holders
    • Intelligent Scanning Technology™ (US Patent 7,330,307)
Product Code HEP4 HEP1
Travel range 114 mm x 75 mm 114 mm x 75 mm
Unidirectional repeatability < 0.4 μm < 0.5 μm
Bidirectional repeatability < 1.1 μm < 1.2 μm
Metric accuracy 0.09 μm/mm 0.09 μm/mm
Full travel metric accuracy < 7.6 μm < 7.9 μm
Resolution 0.1 μm 0.1 μm
Squareness < 35 arcsec < 35 arcsec
Maximum velocity 15 mm/s 30 mm/s
Maximum load 10 kg 10 kg
Encoders 0.1 μm linear encoders 0.1 μm linear encoders
Motor type 400 step 200 step
Screw pitch 1 mm 1 mm
Weight 3.5 kg 3.5 kg

Specifications as per datasheet. Please see datasheet for details.

  • H230 Aluminum plate.

  • H220 Glass plate (not suitable for transmitted light microscopy).

  • H473UP Universal specimen holder (slides, Petri dishes and small flasks) for stereo microscopes

  • H649 Holder for a single 1 in, 1.25 in and 1.5 in mounted metallurgical specimen

  • H224LP Low profile slide holder for one 76x26 mm microscope slide.

Option Manufacturer Compatibility Notes
HEP4E50 Nikon 50i, 80i, Ni-E, Ni-U, Ni-L, Ci-E, Ci-L, Ci-S Requires non-rotating SS substage
HEP4E80 Nikon 80i, 90i, Ni-E, Ni-U, Ni-L Requires rotating SSR substage
HEP4AZEP Nikon AZ100 Requires non-rotating SS substage
HEP4NLV Nikon LV100ND, LV100NDA, LV150N, LV150NA
HEP4 Nikon SMZ18, SMZ25, SMZ800, SMZ1000, SMZ1270, SMZ1500 Requires HSMZ1825 adapter from Prior and a P2- or P- microscope base.

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