Maintenance, Caution – HT instruments M71 User Manual
Page 20

M71
EN – 19
5. MAINTENANCE
5.1. GENERAL
1. This instrument is a precision meter. During its use and storage you are recommended
to keep the instructions listed in this manual to avoid any harm or danger
2. Do not use the instrument in excessively wet environments and under high
temperatures. Do not expose it to direct sunlight
3. Always switch the instrument off after use. If you expect not to use the instrument for a
long period remove batteries to avoid any acid leakage which may damage the
instrument's inner circuits.
5.2. BATTERY
REPLACEMENT
T
he display of the symbol
indicates that batteries shall be replaced.
CAUTION
Such an operation shall be carried out by qualified people only. Before replacing
batteries disconnect test leads from the circuit under test to avoid electric shock.
1. Disconnect all cables from input terminals
2. Turn off the meter pressing ON/OFF key
3. Remove battery compartment cover
4. Remove all batteries and replace them with 4 units. having the same features (see §
6.1.2) keeping to the indicated polarity signs
5. Replace battery compartment cover.
5.3. CLEANING
Clean the meter exclusively using a soft and dry cloth. Never use wet clothes, solvents,
water, etc.
5.4.
END OF LIFE
Caution: the barred symbol of the rubbish bin shown on the equipment indicates
that, at the end of its useful life, both the products and its accessories shall be
collected separately from other waste and correctly disposed.