TESTO 6681 Profibus, Instruction Manual

Page: 99 / 154

testo 6610
- 2.2 Product description 99
2.2.7 testo 6617 cable probe (self-monitoring)
The testo 6617 probe is used if spatial separation of the transmitter and
probe is required, particularly for media (gases, vapours) which can
jeopardize/damage the humidity sensor (the testo 6617 has a self-monitoring
and early-warning function for such applications).
At a glance
In the event of overpressures, the probe may
become a projectile.
For assembly, see
Pressure resistance
on the
following page.
Application
•
Monitoring and regulating industrial humidity processes involving
corrosive media (apart from high-humidity processes) with the
exception of applications with HCL, HF and other acids and acidifiers
in larger concentrations (SO
2
, SO
3
, NO
2
)
•
Meeting the top accuracy requirements
•
Applications for which a sturdy metal housing is required.
1 Connector
2 Key
3 Probe cable
4 Probe shaft
5 Filter (including: humidity
and temperature sensor)
1
2
3
5 4