Continuity Testing - METREL 1150 LCD Manual De Instrucciones

MD 1150-LCD
6.4 Testing AC voltage:
When the probe tips are connected to an AC voltage within the nominal voltage range,
the reading is displayed in volts and the "ACV" symbol lights up.
An acoustic signal an a blinking background light on the displayed are used to indicate
that there is a life-threatening voltage level at or above 35 V present.
6.5 "Data Hold" function (only resistance):
Press the "Data Hold" button to save the LCD screen reading to memory. The
"D.H"symbol is shown on the display to indicate the "DATA-HOLD" function. This
function can be deactivated by pressing the same button a second time.
6.6 Phase testing:
Bring one of the probe tips into contact with a conductor, while touching the finger
contact located at the back. When a phase min. 100V~ is connected, the small LCD
screen indicates "L1".
When using finger contact to determine the phase wire, the perceptibility of the display
can be effected by several factors, including insulated mechanisms that protect against
direct touch, poor positioning (for example, on wooden ladders or on insulated floor
surfaces), an unearthed voltage, or unfavourable lighting conditions.
6.7 Rotating field testing (max. 400V):
Determine which wires are the phase conductors, as described in the "Phase Testing"
section. The place two phase conductors on the test leads an touch the finger contact.
"<L" appears an the display to indicate a counter-clockwise field or "R>" for a clockwise
on the LCD and only approx. 230 V is displayed, then only one phase conductor is
active!

6.8 Continuity testing:

Bring the probe tips into contact with the conductor, fuse, etc. that is being tested. With
resistances of 0-2k ,  t he resistance reading appears on the display and an acoustic
signal sounds. If the reading is >2k, the excess indicator "OL" appears on the display.
6.9 FI/RCD trigger test, PE (earth test):
The Metrel MD1150 carries a load that enables it to trigger a FI/RCD circuit breaker by
means of two buttons (FI/RCD) The FI/RCD (max. 30mA) is tested between the phase
an the PE conductor (max. voltage 240V).
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