8
) Function switch
Use this switch to turn the power on and off and to select the measurement mode.
Function
Mode
Function
Mode
OFF
Turns the CA0 off.
Continuity check
V / Hz
AC voltage measurement and
frequency measurement
DC current measurement
V
DC voltage measurement
OUT
PUT
DC current output
Constant current output
mV /
mV
SENSOR
DC/AC voltage measurement
in mV
and various SENSOR modes
DC current output
Current sweep output
Ω /
Resistance measurement
Diode test
LOOP POWER
DC current measurement
Loop power supply
If test leads or lead cables are connected to the current measurement and
output terminals, you cannot turn the function switch to the OFF position.
2) SELECT key
By pressing this key, you can select different measurement modes when the function switch
is at the positions listed below.
You can switch out of the selected mode by pressing the key again.
mV/
mV position:
AC voltage mV measurement
(AC SENSOR measurement in SENSOR mode)
Ω
position:
Diode test
LOOP POWER position: The SELECT key turns the internal series resistor for HART
communication on and off.
position:
Operation mode ( / and
/
) switching
) RANGE key
Use this key to select the measurement range.
Fixed range:
“Range Hold” appears on the display.
The range increases each time you press RANGE.
AUTO range:
“AUTO” appears on the display.
To select AUTO range, hold down RANGE for second or longer.
) HOLD key
Use this key to hold the measured values.
Press HOLD to switch between data hold, auto hold, peak hold, and no hold (release).
(Hold modes that are not supported for the selected measurement function are skipped.)
