Current Measuring "A - VOLTCRAFT VC-340 Mode D'emploi

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The following operating conditions can be displayed:
To switch off, keep the button (7) pushed for approx. 2 seconds. A signal confirms
the input and "OFF" appears in the display. The meter then switches off. Always
turn the measuring device off when it is not in use.
Before working with the meter, you have to insert the enclosed
batteries. Insertion and changing of the batteries is described in
the chapter "Cleaning and maintenance".
b) Current measuring "A"
The maximum permissible voltage in the measuring circuit
against ground potential must not exceed 600 V in CAT III.
Observe the required safety notes, provisions and safety meas-
ures for intrinsic protection.
The current measurement takes place contact-free via the unfoldable current probe
(2). The sensors in the current probe record the magnetic field that is surrounded
by conductors through which current flows. A measurement is permitted on insu-
lated as well as uninsulated conductors and current rails. Ensure that the conduc-
tor always runs through the current probe centred and that the current probe is
always closed.
The VC-340 permits automatic setting of the current type. The meter recognis-
es whether the current is direct or alternating and automatically selects the cor-
rect measuring function. This function is always active after activation and can be
switched manually on demand.
Always hold only one conductor with the current probe. If both the supply
and return conductors (e.g. L and N or plus and minus) are recorded, the
currents will cancel each other out and you will not get any measuring
result. If several outer conductors are recorded (e.g. L1 and L2 or plus
conductor 1 and plus conductor 2), the currents will add up.
34
The battery voltage is sufficient.
The battery voltage is sufficient.
The battery voltage is still sufficient for measuring.
Battery replacement is necessary soon.
The battery symbol flashes:
The batteries must be replaced as soon as possible to avoid
measuring errors.

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