Chapter II
30 Digital Earth Tester
2.1.5. RCD range lights
x The scrolling of the 5 RCD gauges (number 16) shows that the automatic shutdown is
imminent.
x In RCD measurements, a light shows the range selected to carry out the test
(30, 100, 300, 500 or 650 mA) and a flashing light shows why the test was interrupted
(see paragraph 3.7, p. 41).
2.1.6. Buzzer
In continuity mode, the buzzer sounding indicates that the value of the resistance measured
is less than 2 :.
2.1.7. Digital display
The display provides easy-to-read figures (12.7 mm high), comprising 3 ½ 7-segment digits
(2,000 points), with or without a decimal separator, depending on the chosen range (e.g.
20.00 or 2000).
2.1.8. Input terminals
7 input terminals:
x 1 COM/E/PE terminal: entry of the low point of the measurement common to
voltmeter, ammeter, RCD test, continuity ohmmeter and earth
x 1 : terminal: continuity
x 1 V
AC terminal: voltage or current
x 2 M: terminals: insulation
x 2 S and H terminals: earth measurements
2.1.9. Stand
The retractable stand on the back of the instrument tilts the front panel for greater comfort
of use on a table.
2.1.10. Mains connector unit and assembly
This unit will be connected to and entirely cover the terminal. This unit acts as phase/neutral
fool proofing and can be used for RCD and R loop measurements:
2.1.11. 12 V mains power supply
This unit recharges the accumulator pack. A complete charge takes approximately 2 hours.
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