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LFS4100
Chapter 9
Specifications
Be sure your electrical power and gas supplies meet the criteria detailed in Chapter 9.
9.1.
Electrical Power
The LFS4100 comes with an external power supply unit, which requires 90-260 VAC, 47-63 Hz, single phase.
This external power supply provides the unit with a 12 V line and a 48 V line (10 A max).
The LFS4100 is controlled via a desktop computer. The computer serves as an interface between the user and
the LFS4100. The laptop requires 115 or 230 VAC, 47-63 Hz, single phase.
9.2.
Gas Supply
The LFS4100 splicing system uses high-purity argon gas to purge the splice chamber of oxygen during the
filament fusion process. This is necessary to keep the fibers clean and to prevent the filament itself from oxidizing
at the high fusion temperature.
Thorlabs supplies a high-purity PTFE gas line and a large gas regulator with the LFS4100. These are for use with
a large gas tank (not supplied) which has a CGA-580 output port. Zero grade Argon gas with purity of > 99.999%
is recommended; research-grade argon gas is preferred. Any other gas may damage the unit, (NOTE: European
DIN fittings are supplied as required in European markets. An adaptor may be required to allow connection of the
supplied CGA-580 output port to the gas tank fittings in other areas or countries).
Gas Supply Specifications:
It is recommended that only zero- or research-grade argon gas be used with the LFS4100. Any other gas may
damage the unit or shorten the lifetime of the filament. Zero-grade argon is specified as 99.999% pure with O
0.5 ppm, H
O < 3.5 ppm, and THC (Total Hydrocarbons) < 3.5 ppm. Research-grade argon is somewhat cleaner
2
with specifications of 99.9995% purity with CO
< 0.5 ppm.
When using a large tank of gas, be sure the regulator is set to approximately 9 psi. Do not exceed 25 psi under
any circumstances. If no gas pressure is present at the input port, the splice station will interlock and the "Low
Gas Pressure" message box will be displayed if operation of the filament is initiated.
Use only a Thorlabs-supplied gas line to interconnect the regulator to the splicing system. If an extended length
gas line is required between regulator and splicer, please contact Thorlabs for purity requirements and line
specifications.
Page 38
CAUTION
< 0.5 ppm, H
O < 0.5 ppm, N
2
2
Chapter 9: Specifications
< 3.0 ppm, O
< 1.0 ppm, and THC
2
2
TTN047498-D01
<
2
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