Safety Precautions And Procedures; Preliminary - HT HT4010 Manual De Instrucciones

1 SAFETY PRECAUTIONS AND PROCEDURES

This clamp complies with IEC/EN61010-1. For your own safety and in order to avoid
damaging the instrument, you're recommended to keep to the instructions contained in this
manual and read carefully all the notes preceded by the symbol
Take extreme care for the following conditions while measuring:
• Do not measure voltage or current in humid or wet environment
• Do not use the meter in presence of explosive gas (material), combustible gas
(material), steam or dust
• Insulate yourself from the object to be tested
• Do not touch exposed metal (conductive) parts such as test lead ends, sockets, fixing
objects, circuits, etc
• If you detect anomalies of testing end (metal part) and attachment of the meter such as
breakages, deformations, foreign substances, no display, etc., do not take any
measurement
• Measuring voltage over 20V as it might cause human body electricity conduction
The followings symbols are used:
Caution: refer to the instruction manual. An incorrect use may damage the tester
or its components
High Voltage ranger: electrical shock risk
Double insulated instrument
AC Voltage or Current
DC Voltage

1.1 PRELIMINARY

• This apparatus has been designed for use in an environment of pollution degree 2.
Indoor use
• It measures CURRENT and VOLTAGE on category III up to 600V (refer to ground)
plants. For overvoltage categories please see paragraph 1.4
• You must comply with the usual safety regulations aimed at:
♦ Protecting you against the dangerous electric current
♦ Protecting the instrument against an incorrect operation
• Only the leads supplied with the instrument guarantee compliance with the safety
standard. They must be in good conditions and they must be replaced, if necessary,
with an identical model
• Do not test or connect to any circuit whose voltage or current exceeds the specified
overload protection
• Do not perform any test at environmental conditions exceeding the limits indicated
• Make sure that the battery are installed correctly
• Before connecting the test probes to the installation, check that the function selector is
positioned on the required measurement
• Make sure that the LCD and the rotate switch show the same as the function desired
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