Amprobe DMIII-Multitest Power-Quality-Recorder Instrukcja Użytkownika Pobierz pdf (Strona 34)

AMPROBE

DMIII MULTITEST

EN-32

6.4.2. Measurement procedure and results of "" mode

1. Select  measurement mode by means of the F1 key.

2. Select the distance d between the earth rods by means the F3 and F4 keys.

The Distance measuring unit comply with Country setting (see par. 5.4).

3. Connect the 4 Black, Red, Blue and Yellow connectors of the single cables in the

corresponding input terminals of the instrument T1, T2, T3, T4.

dd d

T1 T2 T3

I1 I2 I3

(V1) (V2) (V3)

(COM)

Instrument connection for Earth resistivity measurement

4. Press the START key. The instrument starts the test.



At the end of the test

the instrument emits a

double beep

indicating that the

test is correctly

terminated and

displays the values to

the right.

EARTH 05.06.01

Ground Resistivity value

expressed in m.

1.77 m

Vd= 1V

Test:04

AVG=0.74

 DIST= 2m

Voltage value of electrical

noise

Number of Test

Average Value of Ground

Resistivity calculated over the

Number of Test displayed.

FUNC

CLR





"" Working mode

5. The instrument will show automatically the Average value of the Ground Resistivity

calculate over the tests performed. Press F2 to RESET this value and the number of

Test.

This result can be stored by pressing the SAVE key twice (refer to paragraph 9.1).

STA R T

STOP

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 103 104

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