Meter Functions – Diode Check ( )
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Note:
A good diode will read low in one direction and high in the other
direction when the probes are reversed (or vice versa). A defective
diode will have the same reading in both directions or read
between 1.0 to 3.0V. in both directions.
Diode (-) to (+)
Reverse Probes
(-) to (+)
.4 to .9V OL
OL .4 to .9V
OL 1.0 to 3.0V
1.0 to 3.0V OL
.4 to .9V .4 to .9V
OL OL
.000V .000V
Good
Bad
ATD5570
OFF
RPM
RPM
%duty
320Hz
3200Hz
32KHz
1400°F
320°F
750°C
320°C
ȍ
Dual
2CYL
3CYL
4CYL
4CYL
5CYL
8CYL
Automotive Meter
HOLD
RANGE
STROKE
V
V
TEMP
COM
10
9ȍ530
μAmA
10A
4
2
DIS
mA
μA
1000VDC
750VDC
MAX
300mA
FUSED
10A MAX
FUSED
0102030