Emerson Rosemount5081 Instruction Manual page 89

Diagnostics and troubleshooting
Figure 8-7: Simulate pH through 381+ sensor preamplifier
A. Cover P/N 23552-00
B. Glass electrode cable
C. Preamp BNC connector
D. To center conductor of BNC
E. Power supply or millivolt source
F. Reference electrode
G. Jumper wire
H. Solution ground connector
Instruction Manual 79