Omega Engineering OME-A8111 用户手册

 
The OME-A-8111 is calibrated to its best state of operation. For environments with large 
vibration, recalibration is recommended. Before calibrating the OME-A-8111, users should 
have the following items: 
 
z

  One 6-digit multi-meter. 

z

  One stable voltage source (4.9988V)   

z

  Diagnostic program: this program is included in the delivered package 

and will guide the user to in proceeding with the calibration. 

 
 
 
 

 
There are seven VRs on the OME-A-8111. Calibration is needed to adjust all seven VRs. 
 

VR Num.  Description 

VR1 

D/A Gain adjustment 

VR2 

D/A Offset adjustment 

VR3 

A/D Offset adjustment 

VR4 

A/D's Gain adjustment 

VR5 

A/D‘s PGA(Programmable Gain Amplifier) Offset Adjustment 

 

 

VR4

 

A/D Converter

 

VR3

 

D/A Converter

 

PGA

VR5

VR1

 

O.P.

VR2

CN1

 

8 ch.
Mux

 
 
 
 
 
 
 
 
 
 

OME-A-8111 Hardware Manual (ver.1.1, Jul/2003)                                      29