Rinstrum -  R300 Series Digital Indicator Quick Start Manual Rev 1.5 
Page 4 
 
1. Introduction 
This manual contains information on the installation, calibration and 
setup of the R310, R320 and R321.  Any reference to the R320 
also includes the R321.  Where all instruments are being described 
they will be referred to as the R300 Series. 
1.1. Approvals 
•  NSC approval (4000 divisions at 0.8µV/division).  
•  NMI approval (4000 divisions at 0.8µV/division).   
•  C-tick approved and CE approved.   
1.2. Manuals 
For more information on the R300 Series refer to the R300 
Series Reference Manual, R300 Series Operator Manual and 
R300 Series Communications Manual (available free of charge 
from www.rinstrum.com
). 
 
2. Shipping Contents 
The following table identifies the items shipped with indicators.  
Please check that your packing box contains the specified items. 
R310 or R320  R321 
•  R310 Indicator or R320 Indicator 
•  R300 Series Operator Manual  
•  R300 Series Quick Start Manual 
•  R300 Trade Label (plastic) 
•  Panel Mount Template  
•  For R320: R300 Function Key 
Overlay Stickers 
•  R321 Indicator  
•  R300 Series Operator Manual  
•  R300 Series Quick Start Manual 
•  R300 Trade Label (plastic)  
•  R300 Function Key Overlay 
Stickers  
•  R300 Trade Label (metal foil)  
•  M16 Cable Gland Sealing Plug 
Other Items (Optional) 
•  rin-LINK Cable  
•  Power Supply 
•  For R310/R320: Desk Mount with Battery Compartment 
•  For R310/R320: U Bracket