Greenlee DM-60 A, Руководство пользователя, Страница: 71 / 83

70
Resistanc e M easur ement
The resistance r anges ar e: 400.0
Ω
, 4.000k
Ω
, 40.00k
Ω
, 400.0k
Ω
, 4.000M
Ω
and 40.00 M
Ω
. To me asure r esistance,
connect the M eter as follows:
7. Insert the red test lead into the
HzV
Ω
te r min al and the black test le ad into th e C O M ter minal.
8. Set the rotary switch to
•
)
)
)
Ω
, r esistance me asure me nt (
Ω
) is defaults or press B LUE button to select
Ω
me asure ment mode.
9. Connect the test le ads a cross with the obj ect b eing me asured.
The me asured valu e shows on the display.
Note
l
The test leads c an add 0 .1
Ω
to 0.2
Ω
o f e rror to r esistance measure ment. To obt ain precision readings in low-
resistance me asure me nt, that is the range of 400 .0
Ω
, short-cir cuit the input terminals be foreh and, using the relative
value fun ction button REL
∆
to automatic ally subtract the value me asured wh en the testing leads are short-
circuited fro m th e r eading .
l
For high -resistanc e me asur ement (>1M
Ω
), it is no rmal taking seve ral s econds to obtain a stabl e r eading .
l
I f
Ω
reading with shorted test leads is not <0.5
Ω
, che ck for loose test leads, incorrect function selection, or enabled
Data Hold fun ction.
l
The LC D displays
O L
indicating open- circuit for the tested resistor or the resistor value is higher than the
ma xi mu m r ange o f the Meter.
l
When resistance measur e ment has been co mplet ed, disconne ct the connection between the testing leads and the
circuit unde r t est.
Red Black