Could anyone please explain to me the difference between rated power and power output. It says in the instruction book that the power output is 20 mW/ square centimeter but at the back of the machine (fetal doppler) it says: rated power less than 0,7 W). So it operates at 20 mW Or 0,7 W?
Thank you so Much for explaining this to me.’yes Inwas referring to the fetal doppler. I am trying to understand the technical Details of the devices .
Ina different doppler there is a value: Max. Audio output 500m W rms.
What is this exactly? Can it be a power output? Or is it the same as rated power?
Do you know how to determine a thermal Index and mechanical index for a doppler operating at:
Ispta 10.8, Power output less than 20 mW square cm ( or are other values needed as well)?I can provide them
I am Wondering if the transducer has to be aligned with a heart to Detect it? I used a transducer with a beam Range of 300 square mm. So if The baby measuring 7cm is in the range of that beam even if the beam is not in a straight line to a heart will i be able to hear the heartbeat or Will i only hear it when transducer is in the straight line to heart ( aligned with heart). Im trying to find the answers to those questions for two weeks already...