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Idiomas disponibles
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2 GENERAL DESCRIPTION
2.1 INTRODUCTION
The instrument was designed to grant the user the utmost safety conditions thanks to a
new concept assuring double insulation and overvoltage CAT III 600V~ between inputs
and to ground.
2.2 FUNCTIONS
This manual is referred to two models: XL423 and XL423. Where not expressly indicated
the characteristics are common for both models. XL423 can recording a single voltage in
single-phase or three-phase plant. XL424 can recording up to 3 voltages simultaneously
in single-phase or three-phase plant.
The instrument can monitor a plant for a long time thanks to a sophisticated memory-
managing algorithms. More exactly, the instrument uses the following sampling periods:
Measuring Interval
1s
6s
30s
1min
5min
(*) Depending on batteries autonomy
The instrument starts each recording using the Measuring Interval set through PC
management software (see § 8). Just before the event of full memory, the instrument
applies the successive measuring interval to all the memory, thus getting more free
memory locations. The instrument continues storing data according to the new sampling
period.
XL423 – Autonomy (days)
5
34
170
364 (*)
1820 (*)
EN - 4
XL423 - XL424
XL424 – Autonomy (days)
1.5
8
42
91
455 (*)
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