Fiber Optic Cable; Figure 12: Schematic Diagram Of The Target And Measurement Spot - Fluke Endurance Series User Manual

Endurance® Series
Users Manual
Target
Measurement spot

Figure 12: Schematic diagram of the target and measurement spot

In 1-Color measurements, the target measurement area has to fill the
complete measurement spot size
For aiming and focusing the external optical head to the measurement target
spot, please refer to Measurement spot diagrams for the various focus
options, shown under the section 3.4.1.

5.4. Fiber Optic Cable

Fiber optic cables and optical heads are able to withstand hot ambient temperatures up to
200°C (390°F), optional even up to 315°C (599°F). They can also operate in areas of high
electromagnetic fields, which would render conventional instruments useless. The small
optical head can be mounted in cramped locations. The fiber optic cable has a small bend
radius of 38 mm (1.5 in) minimum and can be "snaked" around and through machinery, walls,
and other obstacles. If the cable needs to be changed, it is field replaceable. A calibration
program for replaced fiber cables is included with your sensor. Longer fiber optic cables allow
the electronics enclosure to be well away from hostile environments.
The fiber optic cable is field replaceable, see section 11.4, Replacing the Fiber Optic Cable.
The fiber optic cable and head are one component. The cable can be disconnected from the
electronics box for aiming or threading through conduit during installation. The cable is keyed
and can only be inserted one way into the electronics enclosure.
The fiber optic cable is a sealed, stainless-steel armor sheath covering the fiber optic bundle.
Bend Radius of Fiber Bundle:
Cable Diameter:
Ambient Temperature:
Environmental Rating:
26
38 mm (1.5 in) minimum
6.5 mm (0.25 in)
0 to 200°C (32°F to 392°F), optional up to 315°C (599°F)
Water tightness as per NEMA-4 (IEC 529, IP 65) hose down
test, rated attached and with protective sleeves, which
prevents liquid from entering through the connectors. The
given environmental rating is not valid for the 315°C (599°F)
cables!