PLMNL0199 REV. J Effective Date: 08/05/21
62
FiberCUT
®
ST Operation Manual
15 Glossary
Amp (A)
Measure of current in the International System
of Units (SI)
– mA = 1/1000 of an amp
Assist Gas
Any gas that is applied to the working point on
the material to assist the laser process (also
referred to as
cover gas
or
shield gas
).
Bar
Measure of pressure in the International System
of Units (SI)
CFN
Cold Formed Nozzle
Cover Gas
(See
Assist Gas
)
FL
Focal Length
HSU
Height Sensing Unit
Hertz (Hz)
Measure of frequency in the International
System of Units (SI), defined as one cycle per
second
I/O
Inputs(s) and Output(s)
Gram (g)
Measure of mass in the International System of
Units (SI)
–
kg
= 1,000 grams
Micron (µm)
Measure of distance in the International System
of Units (SI) equaling 1×10
−6
of a meter
Ohm (Ω)
Measure of electrical resistance in the
International System of Units (SI) , defined as
the resistance in a circuit transmitting a current
of one ampere when subjected to a potential
difference of one volt
–
k
Ω
= 1, 000Ω
Pascal (Pa)
Measure of pressure in the International System
of Units (SI)
–
kPa
= 1,000 pascals
PSI
Pounds per Square Inch
N/C
Normally Closed
N/O
Normally Open
NPT
National Pipe Thread, U.S. standard for tapered
threads used on threaded pipes and fittings
SHCS
Socket Head Cap Screw
SMA
Sub-Miniature-A 50 ohm connector with a
threaded coupling interface.
Shield Gas
(See Assist Gas)
TRA
Tip Retainer Assembly
Volt (V)
Measure of electrical potential mass in the
International System of Units (SI)
–
VAC
=
Electrical voltage in an alternating current circuit
Watt
Measure of power in the International System of
Units (SI) defined as the power in an electric
circuit in which the potential difference is one
volt and the current one ampere
–
kW
= 1,000
watts
