One major difference:
Millivolt heaters operate on 1/2 volt DC compared with electronic ignition heaters that work off of 24 volts AC.
The relays for switching a high-voltage capacitor onto these leads are not shown, but even with the arbitrary waveform generator switched out, the
millivolt circuits are only a fraction of a centimeter from the kilovolt shock.
The seminar takes a hands-on approach to servicing and repairing
millivolt and electronic heaters.
His team's custom boost converter works for input voltages of as little as 20
millivolts (a
millivolt is one-thousandth of a volt), an input voltage lower than any existing such device.
The LTD outputs a
millivolt signal directly proportional to the temperature it is measuring, 10
millivolts per degree, on either the Fahrenheit or Centigrade scale.
Eliminating a mechanical interface from the F-2003 system also removes the problem of sending a
millivolt signal across a mechanical interface whose accuracy is compromised by dirt and wear.