Resistance Measurement; Resistance Measurement (Normal Mode); Continuity Check (400Ω Range Fixed) - YOKOGAWA CL155 User Manual

2.4 Resistance Measurement (Normal Mode)
WARNING
Never use the instrument on an energized circuit.
2.4.1 Resistance Measurement (Normal Mode)
(1) Set the Function Selector switch to the "
shown on the upper right corner of the display.
(2) Slide the terminal cover to the left to disclose the Hi and Lo terminals. Plug
the red test lead into the Hi terminal and the black test lead into the Lo
terminal. Check that "OL" (over indication) is indicated on the LCD display.
(3) Short the tip of the test leads and check whether the display reads "0".
(4) Connect the tip of the test leads to the circuit under test respectively. Take
the reading on the display.
NOTE
When shorting the tip of the test leads, the display may read a very small
resistance instead of "0". This is the resistance of the test leads on the display.
2.4.2 Continuity Check (400Ω range fixed)
The continuity check mode is enabled by pressing the
resistance range. "
instrument in the continuity check mode. The buzzer beeps, if the resistance
under test is 50Ω or less.
(1) Set the Function Selector switch to the "
(2) Slide the terminal cover to the left to disclose the Hi and Lo terminals. Plug
the red test lead into the Hi terminal and the black test lead into the Lo
terminal. Check that "OL" (over indication) is indicated on the LCD display.
6
Ω
" and is indicated on the display to show the
" position. The "Ω" should be
" position.
button on
IM CL155