9
3 Functions of Upper Display
3.1 DC V and DC mV Measurement
The default function of the upper screen is DC V measurement after turn on. Press
to select DC V or DC mV and the connection is shown in Figure 3.1-1.
Figure 3.1-1
3.2 DC mA Measurement
Press
to select DC mA(unit:
),the
sign should not be displayed and
connection is same to that of DC V measurement.
3.3 Current Measurement with Loop Power
The loop power function activates a 24 V supply in series with the current measuring
circuit, allowing you to test a transmitter when it is disconnected from plant wiring. To
measure current with loop power, proceed as follows:
1.
Connect the calibrator to the transmitter current loop terminals as shown in
Figure 3.3-1.
2.
Press
until
and
appear
simultaneously
.
