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2.3.7 Error Messages
>3.000kΩ
>60.00kΩ
S (blinking)
P (blinking)
RH !
(blinking)
NOISE
(blinking)
2.4 AC Current Measurement (Model 6424)
AC current measurement requires an optional MN72 current probe.
1. Turn ON the instrument by pressing
2. Press
3.
Connect the clamp to the instrument's current terminal (identified by the
symbol). The A and
4.
Open the clamp and place it on the conductor under test.
Ground Tester Models 6422/6424
(Model 6422) Measurement outside range
(Model 6424) Measurement outside range
S rod resistance >50kΩ
H rod resistance >15kΩ
U
or U
voltage amplitude is between 3 and 50V
SE
HE
U
or U
> 50V (no measurement is possible)
SE
HE
.
symbols appear on the LCD.
for >2 seconds.
31
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