Fundamental Safety Instructions - TESTO 521 Instruction Manual

1. Fundamental safety instructions

6
1. Fundamental safety instructions
Avoid electrical hazards:
Never make measurements with the instrument and its probes on or near live com-
ponents unless the instrument is expressly approved for current/voltage measure-
ments!
Protect the instrument:
Never store the instrument together with solvents (e.g. acetone).
Product safety/preserving warranty claims:
Operate the instrument only within the parameters specified in the technical data.
Handle the instrument properly and according to its intended purpose.
Never apply force!
Temperatures given on probes/sensors relate only to the measuring range of the sen-
sors. Do not expose handles and feeders to any temperatures in excess of 70 °C
unless they are expressly permitted for higher temperatures.
Open the instrument only when this is expressly described in the Instruction Manual
for maintenance purposes.
Carry out only the maintenance and repair work that is described in the Instruction
Manual. Follow the prescribed steps exactly. For safety reasons, use only original
spare parts from Testo.
Any further or additional work must only be carried out by authorised personnel.
Testo will otherwise refuse to accept responsibility for the proper functioning of the
instrument after repair and for the validity of certifications.
Ensure correct disposal:
Dispose of defective rechargeable batteries and spent batteries at the provided col-
lection points.
Send the instrument directly to us at the end of its life cycle. We will ensure that it is
disposed of in an environmentally friendly manner.