Part #: SS72L-OFFSET
DC Offset for Microelectrode Amplifier
This accessory for the SS72L Microelectrode Amplifier adds manual DC offset control via an external control box. The control box has two offset adjustment knobs:
- Fine provides ±60 mV of offset adjustment
- Coarse provides ±550 mV of offset adjustment
The 1.8 m (6′) cable terminates in a 2.5 mm, 4-pin, audio plug to mate with the audio jack on the SS72L.
Offset control is necessary for many extracellular recordings including BSL PRO Lesson A17 Frog Heart – Intracellular* Action Potentials.
*Note: A17 is an “extracellular” recording but because all heart muscle cells in close proximity to each other have almost identical action potential amplitude and timing, it’s labeled an “intracellular” recording.
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