2 Safety and the environment
6
2.2. Ensure safety
> Do not operate the instrument if there are signs of damage at
the housing, mains unit or feed lines.
> Do not perform contact measurements on non-insulated, live
parts.
> Do not store the product together with solvents. Do not use any
desiccants.
> Carry out only the maintenance and repair work on this
instrument that is described in the documentation. Follow the
prescribed steps exactly. Use only original spare parts
from Testo.
> Dangers may also arise from the systems being measured or
the measuring environment: Note the safety regulations valid in
your area when performing the measurements.
2.2.1. Safety and the testo 510i/605i/915i
• Magnetic field
• May be harmful to those with pacemakers.
> Keep a minimum distance of 10 cm between pacemaker and
instrument.
2.2.2. Safety and the testo 605i
• Not for condensing atmospheres. For continuous application in
high humidity (> 80 %RH at ≤ 30 °C for > 12 h, > 60 %RH at >
30 °C for > 12 h), contact us via www.testo.com.
• The sensor must not be exposed to volatile chemicals such as
solvents (e.g. ketene, ethanol, isopropyl alcohol, toluene) or
organic compounds, especially in high concentrations and
corresponding gases, over a prolonged period of time.
2.2.3. Safety and the testo 549i/552i
• Risk of injury due to pressurized, hot, cold or toxic
refrigerants/media!
> Only to be used by qualified staff.
> Wear protective goggles and safety gloves.
> Before applying pressure to the measuring instrument: always
fix the instrument tightly onto the pressure connection
> Comply with the permissible measuring range (0 to 60 bar). Pay
particular attention to this in systems with R744 refrigerant,
since these are frequently operated at higher pressures!
> Use with A2L refrigerants
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