SONAPHONE
®
E
Operating Manual – Revision: 2.4 | 2020-11-17
Page 12 of
66
2.4
General safety instructions for use of the
SONAPHONE
®
E in potentially explosive atmospheres
Risk of death or severe injury.
Incorrect operation, damage to the
device as well as damage to accessories can impair the explosion
protection.
(1) Connect solely the supplied accessories to the
SONAPHONE
®
E: Headphones, surface temperature sensor,
ultrasonic probes, probe accessories and telescopic rod.
(2) Other probes / sensors – hereinafter referred to as 'Additional
sensors' – are only permitted to be connected to the SONAPHONE
®
E
if all defined conditions are met.
(3) Only those sensors which are offered by SONOTEC
®
as
accessories are permitted to be used as 'additional sensors'. If the
‘additional sensor’ is connected, the complete device set must only be
used in zones 1 and 2. The protection level drops to ib.
(4) Connection and operation of the USB interface in hazardous
areas is prohibited.
(5) Always observe the ambient conditions specified in the chapter
'Technical specifications'. It is forbidden to exceed or fall below the
specified limits – even for a short time.
(6) Protect the SONAPHONE
®
E from penetrating moisture.
(7) Prevent under all circumstances any friction and impact sparks
that could occur, for example, when the probes made of light metal
alloy are dropped.
(8) Prevent electrostatic charges on plastic parts of the device
technology. Plastic case, handles, probe accessories, cables and
coatings must never be rubbed against each other or other objects.
(9) Never open the battery compartment of the SONAPHONE
®
E
in a potentially explosive area and never when it is switched on or with
an active USB connection.