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Researcher, ICBAS - Universidade do Porto

WPI provided a very professional, supportive and quick service upon purchasing several pieces of scientific equipment.
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Manual Micromanipulator (right-handed)

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Micromanipulator Care
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  • Vernier scales allow readings to 0.1mm & x-axis fine control allows readings to 10 micrometers
  • Control knobs project to rear and are located in same vertical plane
  • Tilting base not included

The world's most widely used micromanipulator

Weighing just 550 grams and employing a slim space-saving design, this well-built micromanipulator outsells all others worldwide for high precision experiments where magnification is in the range of up to 250x. Its design allows units to stand tightly grouped - since all control knobs project to the rear. And because control knobs are clustered within an 8 cm area in a single vertical plane, resolution is quick - the hand works blindly while the eye monitors the microscopic image. Vernier scales allow readings to 0.1 mm; x-axis fine control allows readings to 10 microns.


The instrument employs rack-and-pinion drive, V-shaped guideways, and cross roller bearings, so all movement is sure and repeatable, without drift, sideplay, backlash, or sticking. Contact parts are milled of hardened steel for high performance and long life. Left- or right-handed versions of the M3301 are supplied with a standard 12 mm clamp (M2) and one microelectrode holder (M3301EH).


Travel Range: X-axis Fine 10 mm
Travel Range: X-axis 37 mm
Travel Range: Y-axis 20 mm
Travel Range: Z-axis 25 mm
Resolution: X-axis Fine 0.01
Resolution: X-axis 0.1 mm
Resolution: Y-axis 0.1 mm
Resolution: Z-axis 0.1 mm
Shipping Weight: 3 lbs (1.4 kg)





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Bryant, L., Little, J., & Bürgmann, H. (2012). Response of sediment microbial community structure in a freshwater reservoir to manipulations in oxygen availability. FEMS microbiology ecology. Retrieved from

Chernet, B., Adams, D., & Levin, M. (2012). Photoconversion for Tracking the Dynamics of Cell Movement in Xenopus laevis Embryos. Cold Spring Harbor  …. Retrieved from

Chernet, B., & Levin, M. (2012). A Versatile Protocol for mRNA Electroporation of Xenopus laevis Embryos. Cold Spring Harbor Protocols. Retrieved from

Gharbaran, R., & Aisemberg, G. (2012). Identification of leech embryonic neurons that express a Hox gene required for the differentiation of a paired, segment-specific motor neuron. International Journal of Developmental  …. Retrieved from

Laude, N., Atcherley, C., & Heien, M. (2012). Rethinking Data Collection and Signal Processing. 1. Real-Time Oversampling Filter for Chemical Measurements. Analytical chemistry. Retrieved from

Luetje, C., Nichols, A., Castro, A., & Sherman, B. (2013). Functional Assay of Mammalian and Insect Olfactory Receptors Using Xenopus Oocytes. Olfactory Receptors. Retrieved from

Wang, Y., Shah, P., & Phillips, C. (2012). Trapping cells on a stretchable microwell array for single-cell analysis. Analytical and  …. Retrieved from

Zeeb, M. (2013). Whole-embryo culture of mouse embryos to study vascular development. Retrieved from

Zeeb, M., Axnick, J., Planas-Paz, L., & Hartmann, T. (2012). Pharmacological manipulation of blood and lymphatic vascularization in ex vivo–cultured mouse embryos. Nature protocols. Retrieved from


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