HT instruments PQA820 - Manual (Page 4)

PQA820
EN – 3
1. PRECAUTIONS AND SAFETY MEASURES
The instrument has been designed in compliance with directive IEC/EN61010-1 relevant to
electronic measuring instruments. For your safety and in order to prevent damaging the
instrument, please carefully follow the procedures described in this manual and read all
notes preceded by the symbol
with the utmost attention.
Before and after carrying out the measurements, carefully observe the following
instructions:
 Do not carry out any voltage or current measurement in humid environments.
 Do not carry out any measurements in case gas, explosive materials or flammables are
present, or in dusty environments.
 Avoid any contact with the circuit being measured if no measurements are being
carried out.
 Avoid any contact with exposed metal parts, with unused measuring probes, circuits,
etc.
 Do not carry out any measurement in case you find anomalies in the instrument such
as deformation, breaks, substance leaks, absence of display on the screen, etc.
In this manual, and on the instrument, the following symbols are used:
Warning: observe the instructions given in this manual; improper use could
damage the instrument or its components.
High voltage danger: electrical shock hazard.
Double-insulated meter
AC voltage or current
1.1. PRELIMINARY
INSTRUCTIONS
 This instrument has been designed for use in environments of pollution degree 2.
 It can be used for voltage and current measurements on installations with overvoltage
category CAT IV 300V AC to earth and maximum rated voltage between inputs 415V
AC
 Please take the standard safety precautions aimed at protecting you against dangerous
electrical currents and protecting the instrument against incorrect use
 Only the accessories provided together with the instrument will guarantee safety
standards. They must be in good conditions and be replaced with identical models,
when necessary.
 Do not test circuits exceeding the specified current and voltage limits.
 Before connecting cables, alligator clips and clamps to the circuit being measured,
check that the desired configuration has been set.