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Current Measurement; Resistance Measurement - Wiha 45219 Manual De Instrucciones

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USER'S MANUAL
Set rotary switch to V position.
After the clamp meter powers on connect the black test lead to the COM sock-
et and the red test lead to the V/Ω/Cap socket.
By default, the clamp meter will be in AC measuring mode, to set if for DC press
shortly ZERO/Select button.
Connect test leads to UUT.
The measured value displayed on the LCD.

Current measurement

Ensure that the measurement circuit is not live when connecting the measure-
ment instrument.
The instruments may only be used in current circuits protected with 400 A up to
a nominal voltage of 1000 V. The nominal cross section of connecting line has to
be respected and a safe connection has to be ensured.
µA DC
Set rotary switch to µA position.
After the clamp meter powers on connect the black test lead to the COM socket
and red test lead to the V/Ω/Cap./µA socket.
Connect test leads to UUT.
The measured value displayed on the LCD.
A AC/DC
Set rotary switch to A position.
After the clamp meter powers on connect clamp conductor with unknown
current.
By default, the clamp meter will be in AC measuring mode. Pressing shortly
Zero/Select button will switch it to DC mode.
When measuring DC current use long press on Zero/Select button to null LCD
showing.
The measured value displayed on the LCD.

Resistance measurement

Prior to any resistance measurement it has to be ensured that the resistor to be
tested is not live. Failure to comply with this prescription can lead to dangerous
corporal user injuries or cause instrument damage. Additionally, external volt-
ages falsify the measurement result.
Set rotary switch to Ω/Diode/Cap/Continuity position.
After the clamp meter powers on use short presses of the Zero/Select button
to change measurement mode to Resistance.
Connect the black test lead to the COM socket and red test lead to the
V/Ω/Cap socket.
Connect test leads to UUT.
The measured value displayed on the LCD.
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