HT4000
EN - 2
1. SAFETY PRECAUTIONS AND PROCEDURES
This apparatus conforms to EMC standards relating to electronic measuring instruments.
For your own safety and that of the apparatus, you must follow the procedures described
in this instruction manual and carefully read all the notes preceded by the symbol .
Strictly keep to the following instructions before and during measurements:
• Do not effect measurements in environments with explosive gas, fuels or dust
• Do not submit the measuring probe to excessive mechanical stress
• Do not touch the probe inner fan to avoid damaging it
• Do not effect any measurement in case of unusual conditions of the instrument such as
deformation, breakage, leakage of substances, absence of display reading etc.
The following symbols are used on the instrument and in this manual:
Caution: refer to the instructions reported on this manual; improper use may
damage the apparatus or its components.
1.1. PRELIMINARY
• Use the meter only as specified in this manual; otherwise, the protection provided by
the meter may be impaired.
• Only the accessories supplied with the instrument guarantee compliance with the
safety standards. They must be in good conditions and must be replaced, if necessary,
with identical models.
• Do not effect measurements beyond the limits specified in this manual.
• Check that batteries have been placed correctly.
1.2. DURING USE
Carefully read the following recommendations and instructions:
CAUTION
No compliance with the Warnings and/or Instructions may damage the
apparatus and/or its components or injure the operator.
• Use the meter and the probes only within the ranges specified in this manual and in the
probes’ ones.
• Do not perform any measurement on materials under voltage. This could damage the
instrument.
• If during a measurement the read value or sign never changes, please verify if the
HOLD function is active.
1.3. AFTER USE
• When the measurements are completed switch OFF the instrument.
• Remove batteries when the apparatus remains unused for long periods.
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