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MODEL 3100 INTRACELLULAR ELECTROMETER
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The Model 3100 Intracellular Electrometer is a simple to use, low cost intracellular amplifier. It is compatible with Model 3100 Mini Headstage (Product#: 920500), whose probe measures 1.1 cm in diameter and 5.6 cm in length, and weighs only 10 grams.
The dual-transient control provides extremely precise adjustments to transient suppression during membrane recordings. The DC balance control eliminates the need for an external bridge or a differential input oscilloscope. The DC offset provides electrode offset control up to ±1 V. An internal square-wave generator supplies a 100 Hz current pulse to determine electrode resistance. It is also useful to adjust capacitance compensation. Capacity compensation can adjust up to 35 pF of electrode capacitance. Additional stray capacitance can be reduced by using the driven shield connector on the head stage probe.
The Model 3100 has an advanced capacitance "Ringer" control for clearing electrode tips and enhancing the membrane penetration of neurons. The Ringer's amplitude (0 - 10V biphasic) and frequency (2-8 kHz) of the pulsed oscillations sent to the electrode can be adjusted on the front panel.
A six position low pass filter and a 60 Hz notch filter are available for the researcher to diminish extraneous frequencies and external line noise.
keyword : electrophysiology, bio amplifier, a-m systems
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