Introduction 
Agilent Cary 630 FTIR Spectrometer User’s Guide  9 
  Germanium ATR: For measuring samples that are too highly 
absorbing for diamond ATRs or for samples with high amounts of 
carbon black. 
  10 degree Specular Reflectance: For measuring specular 
reflectance of solid samples at near normal. 
  45 degree Specular Reflectance: For measuring specular 
reflectance of solid samples at angle. This accessory is placed into 
the transmission compartment. 
The Cary 630 FTIR is computer-controlled using Agilent MicroLab PC 
software. MicroLab PC is intuitive, simple to use and requires no 
specialized technical training. With a click of the mouse, the system 
provides valuable information about the identity and amount of 
chemical substances present in a material. 
Information Symbols 
The following symbols appear on the instrument for your information. 
I 
On (Power) 
0 
Off (Power) 
 
Direct current