Glass Fibre-optics
Length:
Glass Fibre-optic Specifications
Standard length for assemblies is 61 cm or 91 cm;
see dimension drawings. Most models are available
from the factory with shorter or longer cable
lengths, up to 18 m maximum.
Construction:
Combination of optical glass fibre, stainless steel,
PVC, brass, silicon rubber, Teflon™, moulded
thermoplastics, and optical grade epoxy. Optical
fibre is F2 core, EN1 clad, except where stated.
Flexible steel interlock sheathing is 302 stainless,
except where stated.
Operating Temperature:
• Fibre assemblies with stainless steel sheathing
and metal end tips: -140 to +249° C.
• Fibre assemblies with PVC sheathing and/or
plastic end tips: -40 to +105° C.
Sensing Range:
Refer to the range specifications shown on the
glass fibre-optic drawing pages.
• Special order assemblies with stainless steel
sheathing and metal end tips and model suffix
“M600”: -140 to +315° C.
Bend Radius:
• Special order assemblies with stainless steel
sheathing and metal end tips and model suffix
“M900”: -140 to +480° C.
Inside bend radius must be 12 mm or greater for
PVC covered fibre-optic assemblies, and 25 mm or
greater for stainless steel armoured cable covered
fibres.
Numbering scheme for Banner glass fibres
SHEATHING MATERIAL designator:
S = Stainless steel flexible conduit
FIBRE BUNDLE DIAMETER designator:
.44 = 0,7 mm
P = PVC with galvanised monocoil reinforcing wire
L = Silicone rubber tubing (max. flexibility, min. fibre protec-
tion)
.5 = 0,8 mm
.75 = 1,2 mm
1 = 1,6 mm
T = Teflon tubing (max. chemical resistance, min. flexibility)
HDP = High-density polyethylene (max. electrical isolation,
min. flexibility)
1.5 = 2,3 mm
2 = 3,2 mm
2.5 = 4 mm
I A T 2 3 S X X
ASSEMBLY STYLE designator:
B = Bifurcated: emitter and receiver
to one sensing point
DB = Double Bifurcated: emitter and
receiver to two sensing points
I = Individual: emitter or receiver to
OVERALL LENGTH designator (length of the
complete fibre-optic assembly in feet):
3 = 3 ft. = 914 mm
6 = 6 ft. = 1829 mm
MODIFICATIONS designator (suffix may be
any length):
M600 suffix = available in 315º C
M900 suffix = available in 480º C
one sensing point
SENSING END TIP STYLE designator:
A = Angled tip (90º)
AM = Angled tip (90º), probe 1,5 mm ø
AMM = Angled tip (90º), probe 1,1 mm ø
AR = Angled tip (90º), rectangular bundle termination
AT = Angled (90º) and threaded tip
ATR = Angled (90º) and threaded tip, rectangular bundle
F = Ferruled tip, same as sensor end tip
FR = Ferruled tip, rectangular bundle termination
HA = Half-angled tip (45º)
MHAP = Miniature half-angled (45º) probe tip
MM = Micro-miniature probe tip (ø 1,1 mm)
MT = Threaded brass end tip
MTAP = Threaded brass, miniature angled (90º) tip
MTHAP = Threaded brass, miniature half-angled (45º) tip
MTP = Threaded brass, miniature probe (ø 1,5 mm)
P = Probe bendable tip (ø 2,3 mm)
R = Rectangular bundle termination
T = Threaded brass end tip
TA = Threaded angled (90º) end tip
HAR = Half-angled tip (45º), rectangular bundle
HAT = Half-angled (45º) and threaded brass tip
HATR = Half-angled and threaded tip, rectangular bundle
M = Miniature tip (ø 1,5 mm)
TAR = Threaded, rectangular bundle
THA = Threaded, half-angled (45º) end tip
THAR = Threaded and half-angled (45º), rectangular bundle
TR = Threaded end tip, rectangular bundle termination
MAP = Miniature angled (90º) probe tip
26
Fibre-optic Selection Guide
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