"Jerry G." wrote in message
oups.com...
| I am not sure, but going from memory, this may be a Siemens scale. This
| has to do with very high impedance readings.
|
| The Siemens scale is based on conductivity, derived from inverse
| resistance. This would then would be nS = nano-Siemens, and mS would be
| milli-Siemens.
|
| This link is about a dedicated Siemens meter, just to give an
| explanation of what the Siemens scale is about.
| http://www.trifield.com/HighResistance.htm
|
| The Siemens scale is used for testing insulation factors, and very high
| resistance values. There is also an instrument called a megger that is
| used for testing very high resistances of materials, and especialy the
| break down resistance of insulator materials. There are meggers that
| also use very high voltages for the testing, in order to determine the
| if the insulation material will easily break down and start to condcut
| under use with voltage applied.
|
| Jerry Greenberg

ISTR that some early Flukes had those functions.

N