testo Instruments Co. Ltd 1549 用户手册
2 Overview
2
1 Safety
1.1. Safety with testo 510i
WARNING
Magnetic field
May be harmful to those with pacemakers.
> Keep a minimum distance of 10 cm between pacemaker and
instrument.
1.2. Safety with testo 549i
WARNING
Risk of injury caused by 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 with higher pressures!
1.3. Safety with testo 805i
CAUTION
Laser radiation! Class 2 laser
> Do not look into the laser beam!
2 Overview
1 Measuring unit
2 LED
3 Key
4 Battery compartment (at the back)