Description; Meter Description - Sofamel IER-4000 Manual De Instrucciones

2. Description

The meter is applicable to the testing of the earth resistance of the power supply wires, distribution
wires inside a room, electrical equipment or appliance, which can done in two measurement
modes: Bi-poles or Tri-poles, and it also can be used to measure the earth voltage.
Large digital LCD and backlights applied to the meter facilitate users to read the information on
LCD. Besides, the meter is capable of storing up to 100 groups of measurement data, which will
not be lost even in case of power cuts so that the user can easily consult the historical data. In
addition, the meter can also be used to measure maximum, minimum or average and measure
relatively. Auto power-off function has been provided for it.

2.1. Meter Description

(1) Rotating Switch
It is used to selection between the measurement of earth voltage, measurement of resistance in
Bi-pole method or measurement of resistance in Tri-pole method.
(2) Key of ASP
It is used to start or cease auto power-off function.
(3) Key of LIGHT
It is used to turn on or turn off the backlight.
(4) Key of CLEAR
It is used to clear away data.
(5) LCD
It is used to display the data obtained and different symbols.
Description
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