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Lab Standard w/o Manipulator Arms

The Dual Arm Classic Lab Standard™ Stereotaxic Instrument can decrease surgery times and help reduce potential time-consuming errors. A second manipulator arm is convenient, if not mandatory, in applications such as dual injections, bilateral cannulations, simultaneous stimulation and recording, etc.


  • Large, easy to read vernier scales Scales are laser engraved accurate to 100 microns
  • Triple lead screws for fast positioning 80 mm of vertical, lateral and anterior-posterior travel
  • Absolute lock at 90 degrees (vertical)
  • Brass bushings in manipulator arm permit electrical grounding
  • Accessories available for use with a wide variety of small animals
  • Adaptors available for use with mice, neonatal rats, birds and other species
  • Gas anesthesia compatible
  • Easily cleaned durable surface

Versatile Positioning
The manipulator arm controls medial-lateral and ventral-dorsal using exclusive triple lead screws for faster positioning, and anterior-posterior movement via dovetail slide movement, with 80mm of travel possible in each direction. A universal joint allows the researcher to change the angle of the probe up to 90 in either the anterior-posterior or mediallateral planes. The improved locking mechanism on the Lab Standard will hold any angle position without slipping. And of course, it also provides an absolute lock at 90 vertical.

Easily-Read Scales
All scales are oriented to be easily read from the open end of the U the position from which most scientists prefer to work.

The scale numerals are large, and easy to read. The scale lines are laser engraved, to allow the finest possible permanent marking of scales on all 3 axes. Precise alignment with facing vernier scales gives accurate resolution to 100 microns.

Smooth, Consistent Movements
The Lab Standards exclusive, triple-lead screws allow smooth consistent movements with the fastest positioning possible.

Included Components

Both 51600 and 51603 include the U-frame Base, Manipulator Arm(s) 51631 Standard Probe Holder(s) with corner clamp and 51621 Rat Adaptor (Nose Clamp Assembly and 18 Taper Ear Bars).

The 51650 and 51653 include Non-Puncture 45 Taper Ear Bars instead of 18 Taper Ear Bars (not shown).


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