Details
Manufactured to military specs by Ferranti Instruments in the UK in the 1960's, these are a beautiful quality almost sub-miniature 50uA FSD moving coil panel meter.
The simple easy to read scale has a very fine needle and is marked at each end and in the center, with a small red line either side of the center mark - gives the impression that what ever the meter was designed for, it was intended to be used kept at the center position with the red deviant markers as warning reminders if the needle dropped below or above the center.
Very rugged hermetically sealed little meters, the input terminals have porcelain inserts
Single hole mount with locking ring.
Dimensions are 31mm diameter across the front x 40mm total depth including the terminal connections.
The glass area is 21mm diameter and the behind panel depth is 31mm.
New and unused old stock.
The simple easy to read scale has a very fine needle and is marked at each end and in the center, with a small red line either side of the center mark - gives the impression that what ever the meter was designed for, it was intended to be used kept at the center position with the red deviant markers as warning reminders if the needle dropped below or above the center.
Very rugged hermetically sealed little meters, the input terminals have porcelain inserts
Single hole mount with locking ring.
Dimensions are 31mm diameter across the front x 40mm total depth including the terminal connections.
The glass area is 21mm diameter and the behind panel depth is 31mm.
New and unused old stock.