2 Safety instructions (English)
17
Zone separation at the process connection
A Area with risk of explosion, Zone 0
Probe shaft with sensor protection cap
B Area with risk of explosion, Zone 1
Clamp screw connection
testo 6616 probe
Connection for equipotential bonding
Transmitter (e.g. testo 6682)
C Areas with no risk of explosion
Certified transmitter power supply unit