Quote:
Originally Posted by Mike Kelly
Many of the 350ma meters are blown up and useless because the wireless operator forgot to change over to the 1 amp meter before hitting the transmit key after switching to HP  |
Still more thermocouple meters are blown up because idiots 'test' them with a dry cell - even an AAA cell will deliver sufficient current to blow the nichrome resistance wire in an RF Ammeter. (After that it's completely useless since there's no damping on the movement - it relies on the circuit of meter coil through thermocouple to provide the damping, so you can't just add a shunt or series multiplier and repurpose it as a 'normal' DC amp or volt meter.
Chris.