HT instruments HT204 - Manual (Page 3)

HT204
EN - 2
1. SAFETY PRECAUTIONS AND PROCEDURES
This meter is in compliance with safety standard EN 61010-1 related to electronic
measuring instruments. For your own safety and to avoid damaging the instrument follow
the procedures described in this instruction manual and read carefully all notes preceded
by this symbol
. When taking measurements:
• Avoid doing that in humid or wet places
• Avoid doing that in rooms where explosive gas, combustible gas, steam or excessive
dust is present
• Avoid doing that if you notice anomalous conditions such as breakages, deformations,
fractures, leakages of battery liquid, blind display etc
The following symbol is used:
Caution: refer to the instruction manual. An incorrect use may damage the
luxmeter or its components.
1.1. PRELIMINARY
• Before turning on the instrument make sure that the battery is correctly installed.
Replace the battery as soon as the low battery indication (“ ”) is displayed
• Don’t touch the sensor during measurements to prevent any damage due to
contamination or static electricity
1.2. DURING USE
Always keep to the instructions contained in this manual.
CAUTION
An improper use may damage the instrument and/or its components or
injure the operator.
• If the reading value or the sign indication remains unchanged during the
measurement, check if the DATA HOLD function is active
1.3. AFTER USE
• After using the instrument turn it off
• If you expect not to use the instrument for a long period remove the battery to avoid
leakages of battery liquids which may damage its inner components