1
The NC-015103C has 3 versions. The following information will help you de-
termine what model you use.
Version 1
The front cover plate has the words PAR and SEL
It has preset settings from the factory.
It can be calibrated only.
Version 2
The front cover plate has no words. It is blank.
The switch settings are 1,3,6 ON and all other
switches are OFF see drawing 1 page 2
Version 3
The front cover plate has no words. It is blank. Identical to version 2
The switch settings are 1,3 ON; all other switches are OFF. See drawing 2 page 3
You cannot tell Ver 2 and Ver 3 apart from the outside. Only re-
moving the front cover plate and examining the relay inside will
tell you which version you have. Ver 2 relay is thicker than Ver 3.
Version
3
Version
2
©
2010 Newton Crouch Inc. Rev 8.19.10 This information is the property of Newton Crouch Inc. and is loaned confidentially to our customer for his sole use. It must not be used in any way
detrimental to our interest or shared with outside parties. O:\Production\Technical Tips\SSM NC-015103C
NCI Spinner Speed Monitor NC-015103C
Version 2 is approximately 1 5/8” thick
Version 3 is approximately 1” thick
