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MODEL PCU-2000 Pressure Control Unit with Patient
MODEL PCU-2000 Pressure Control Unit with Patient

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... differences between these points separated by a conductor. Thus, the lipid membrane, which is a good insulator, has an electrical potential difference across it. This potential difference ("transmembrane potential") amounts to less than 0.1 V, typically 30 to 90 mV in most animal cells, but can be a ...
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... 3. Pulse pin XTAL1 once to advance the internal address counter. 4. Read the next code data byte at the port P1 pins. 5. Repeat steps 3 and 4 until the entire array is read. The lock bits cannot be verified directly. Verification of the lock bits is achieved by observing that their features are enab ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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