MHillyard Posted September 22, 2013 Share Posted September 22, 2013 Picked this up at the car boot. Thought it was quite nice but have no idea what it is from. It is Air Ministry marked but seems to large for an aircraft. Sent from my GT-N7100 using Tapatalk 2 Quote Link to comment Share on other sites More sharing options...
Richard Farrant Posted September 22, 2013 Share Posted September 22, 2013 Martyn, If I read it correctly, the part number on the box has 10A as a prefix. If this is correct, it puts the ammeter in the Radios and Radar stores group, so sounds like it is for ground equipment and not aircraft. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 23, 2013 Share Posted September 23, 2013 It's a thermocouple ammeter for measuring the RF current in the aerial feed of a high power transmitter. Quote Link to comment Share on other sites More sharing options...
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