Major tech MT478 Manual do utilizador - Página 12

Procurar online ou descarregar pdf Manual do utilizador para Equipamento de teste Major tech MT478. Major tech MT478 16 páginas. Voltage tester

Major tech MT478 Manual do utilizador
5. Operation
5.6 Resistance Test
• The Tester measures low ohm resistance between 1Ω and 1999Ω at a
resolution of 10.
To do a resistance test:
• Do a Voltage test to make sure the UUT (unit under test) is not live.
• Push and hold the measurement point illumination button (15) for 2
seconds .
• Connect the two test probes with the UUT and read value on the display.
• Push and hold the measurement point illumination button (15) for 2
seconds to turn the function off and save battery power the function
automatically.
5.7 Rotary Field Indication
• The voltage testers are equipped with a double-pole rotary field indicator.
• The rotary phase indication is always active. The symbols "R"or " I.:' are
always displayed. However, the rotary direction can only be determined
within a three-phase system. Here, the instrument indicates the voltage
between two external conductors.
• Connect the instrument test probe with the supposed phase L2 and the
handle test probe with the supposed phase L1.
The voltage and the rotary field direction are displayed. "R" signifies that
the supposed phase L1 is the actual phase L1 and the supposed phase
L2 is the actual phase L2.
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