Preamble
UM-30300D-U User manual AX 6000 Page 5 / 54
4. AUTOMATIC ZERO
During its measurement cycle, the instrument carried out automatically an auto-zero
measurement to eliminate undesirables' thermo-electrics effects in the measurement
circuit and carried out the measurement zero of the instrument compensating the
offset errors in the measurement amplifier.
Then, at each measurement, the instrument memorizes the spurious external voltage
of the thermocouple present in the R
X
terminal before the passage of the current in
order to subtract it from its new value obtained during the passage of the current.
5. BATTERY / INSTRUMENT AUTONOMY
The 12VDC 4400 mA/h battery with Lithium Polymer (Li-Po) technology is integrated in
a bloc. This technology allows for the best space / electrical capacity. The battery pack
is removable from the device without tools.
The battery capacity guaranteed to carry out 1000 measurements. Following the
battery state, number of charges and its age, it's possible that the number of
measurement will decrease significantly, in this case, change the battery with a new
one and recycle the old one (see the recycling conditions in the appendices).
The battery charge is carried out with the power supply which connected with a jack
connector. The battery is fitted with a light (LED) which indicates to the user the charge
state. The complete charge time is less than 3 hours. The charge can be carried out the
battery out of the instrument.
Use only the power supply fitted with the instrument. See the instructions and security
precautions concerning the instrument use in the appendices.
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