Ian
-----Original Message-----
At 16:22 -0400 6/21/04, Ian P. Nixon wrote:So you're saying that if I had a voltmeter, I could just slide it's probe under the anode cap?
NO!!!! Don't do that with the meter connected.
Voltmeter probes often have series resistors built in especially when they are designed to extend the range of a lower voltage meter. I'm sure Ian was talking about using a voltmeter probe without the meter connected. A high voltage discharge into the meter will surely ruin it.
Most modern meter probes are just pieces of wire with a good insulator at the probing end. If the meter end of such a probe is well grounded - to the "dag" on the picture tube - it can be used as a discharge tool. If there is a high voltage resistor in the probe the spark will be suppressed but only if the resistor doesn't arc and destroy it's calibration as a voltmeter probe.
A long screwdriver with a big plastic handle and a securely attached clip lead to ground is pretty nearly equivalent. You'll get an argument, but the spark is unlikely to damage anything in the tube.
And yes. A basic voltmeter is a requirement. They were recently available for less than $5 at Harbor Freight.
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