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tion of the product, the safety instructions, warn-
ings and the "Proper use" chapter must be
observed.
• To avoid electric shock, the precautionary meas-
ures must be observed when working with volt-
ages higher than 70 V (35 V) at direct current volt-
age or 33 V (16 V) eff. alternating current voltage.
According to DIN VDE, these values constitute
the limit for exposed voltages. (values in brackets
apply for e.g. medicinal or agricultural sectors).
• Before each measurement, ensure that the meas-
uring lead and the tester are in a fault-free condi-
tion.
• The measuring leads and test tips may be
touched only at the hand grips provided. Touching
the test tips must be avoided under all circum-
stances.
• The tester may be used only within the specified
measuring ranges.
• Before each use, the product must be checked for
fault-free function (e.g. at a known voltage source,
see also DIN VDE 0105, part 1).
• Avoid dusty and humid environments.
• The person responsible or user should refer to the
instructions for use in order to guarantee safety. If
the product is not used in accordance with the
manufacturer's specifications, the level of safety
guaranteed by the product cannot be maintained.
• All parts of the product and its accessories must
not be replaced by parts that have not been certi-
fied by the manufacturer or its suppliers.
• The tester may be used only within the specified
measuring ranges.
• The product may be used only under the condi-
tions and for the purposes for which it was
designed. Particular attention must be paid to the
safety instructions, the technical data with the
environmental conditions and use in a dry envi-
ronments.
• Do not operate the product in the proximity of
welding machines, induction heaters and other
electromagnetic fields.
• After abrupt changes of temperature, the product
must be adapted to the new ambient temperature
for approx. 30 minutes before use to stabilise the
IR sensor.
• Do not expose the product to high temperatures
for a prolonged period.
• Measuring devices and accessories are not toys
and must be kept out of the reach of children!
• In commercial establishments, the accident pre-
vention instructions of the Institution of Commer-
cial Trade Associations for Electrical Installations
and Equipment must be observed.
• Symbols appearing on your product must not be
removed or covered. Signs on the product that
are no longer legible must be replaced immedi-
ately.
Read and observe the instructions for use
before using the product for the first time.
Hazard sources are e.g. mechanical parts,
which can lead to serious injuries to persons.
There is also a hazard for property (e.g. dam-
age to the product).
Electric shock can lead to death or to serious
injury to persons and present a hazard to the
function of objects (e.g. damage to the prod-
uct).
Never point the laser beam towards the eye,
neither directly nor indirectly through reflec-
tive surfaces. Laser beams may cause irrep-
arable damage to the eye. The laser beam
must be deactivated when measuring in the
vicinity of people.
Safety regulations
Please observe the five safety rules:
1. Deactivate
2. Secure against reactivation
3. Establish voltage-free state (voltage-free state
must be established at 2 poles)
4. Earth and short-circuit
5. Cover adjacent live parts
Disclaimer
Note: Failure to observe these instructions
will invalidate the warranty. We are not liable
for any resulting consequential damage!
Testboy shall not be liable for any damage, resulting
from
• failure to observe the instructions for use,
• modifications to the product not approved by Test-
boy or
• spare parts not manufactured or not approved by
Testboy
• the influence of alcohol, drugs or medication
.
Accuracy of the instructions for use
These instructions for use have been compiled with
great care. No guarantee is given for the accuracy
and completeness of the data, illustrations and draw-
ings. Technical changes, printing errors and errors
excepted.
Operation
DANGER! Only intended to be used by
trained personnel. Anyone using this
measuring instrument should be corre-
spondingly trained and acquainted with the
special dangers occurring in industrial envi-
ronments during voltage measurement, the
necessary safety precautions and the proce-
dures for checking the perfect function of the
product before and after each use.
The Testboy® TB 316 is a multimeter for universal
use. The tester is manufactured to the latest safety
guidelines and guarantees safe and reliable working.
The multimeter is a valuable aid for all standard
measuring tasks in the trade or industrial sectors, as
well as for home enthusiasts.
Safety precautions
The Testboy® TB 316 left the factory in a perfectly
safe technical condition. In order to maintain this con-
dition, the user must observe the safety precautions
set out in these instructions.
GB
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