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Microforge with powerful microscope mounted to produce microelectrodes for patch clamping*.

In patch clamping, contact is made between the electrode and the cell membrane to measure cell potential, without damaging the cell membrane. The Narishige MF-830 Microforge assists the process by using fire-polishing technology to polish the microelectrode tips. A powerful microscope (525× total magnification) is included for making electrodes with tip diameters less than 2µm. Independent, easy-to-operate manipulators are provided for both the heater and the electrode. A fine movement unit on the side of the heater moves vertically to bring the heater closer to the tip even under high magnifications. The heater is made smaller so as not to get in the way and is operated by means of a foot switch to allow one's hands to be free for other operations. The electrode holder is in the form of a leaf spring, which is easy to detach/attach, and the narrower operating area facilitates ease of use.

* The MF-830 exclusively assists in polishing microelectrode tips using a fire-polishing procedure. If additional post-processing operations including cutting and bending are required, please purchase the MF-900 microforge with the MF-OP (optional lens set) for higher magnification, so that polishing, cutting and bending can be performed with one unit.


Accessories included Foot Switch

Dedicated Electrode Holder

Spare Heater

Spare Lamp

AC Power Cord

Allen Wrench
Movement range Heater manipulator X14mm, Y14mm, Z14mm
Heater manipulator vertical fine movement 20mm
Electrode manipulator X12mm, Z28mm
Microscope focus movement range 30mm
Magnifications Eyepiece:15×

Objective lens:5× and 35×

Total magnifications:75× and 525×
Glass capillary ø1mm - ø1.5mm
Power source AC100 (±5%), 50/60Hz

AC120 (±5%), 50/60Hz

AC220 (±5%), 50/60Hz

AC240 (±5%), 50/60Hz
Power consumption Approx. 35W
Dimensions/Weight W200 × D350 × H300mm, 6.5kg

Intended for 1.0mm to 1.5mm outer diameter glass capillaries.


Model Product Description
PT-A Platinum heater 100µm × 300mm
MF-900L3 Lamp  
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