Agilent 4155B/4156B User’s Guide Vol.2, Edition 5 1-17
Measurement Units
Voltage Monitor Unit (VMU)
Voltage Monitor Unit (VMU)
Voltage monitor unit (VMU) has two measurement modes: grounded or differential.
Grounded mode uses one VMU. Differential mode uses two VMUs.
Figure 1-7 shows a simplified VMU circuit diagram.
Figure 1-7 Simplified VMU Circuit Diagram
VMU can measure up to 20 V. Table 1-13 shows the voltage measurement range of
VMU.