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Ultrasonic Sensing Terms
Dictionary
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
R
S
T
U
V
W
A
Absorbent Materials
accuracy
acoustic interference
air movement and densities
air pressure
ALARM set point
ALARMS pushbutton
alignment
alternating current (AC)
ambient
ambient acoustical noise
ambient temperature
ampere (Amp)
analog
analog limits
analog response
attenuation
B
background sensing mode
background suppression
backup detection
beam
beam angle
beam plot
break-beam sensing
C
CE mark
chemical compatibility
coincidental secondary echo condition
common
cone diameter
configuration switches
connector
continuous load current
continuous wave
Control Compartment
coupler
crosstalk
crystal
current consumption
current loop or signal current loop (4-20 mA)
current pulse
current sinking output
current sourcing output
cycle time
D
Dairy 3A Sanitary Standards
deadband
Delay On/Off control
DELAYS pushbutton
differential height inspection
digital output
diode
dip switch
direct current (DC)
direct/inverse output
dual-level On/Off latch
dual-level sensing
E
echo
electrostatic
environmental compatibility
ESD (Electrostatic Discharge)
ETL safety label
F
false echo
far (low) limit
fixed sensing window (width)
fluorosilicone rubber
foreground suppression
frequency
frequency drift
G
gain adjustment
gain setting
gate-controlled sensing
ground
H
hermetic seal
hertz (HZ)
hysteresis
I
impedance
input
input voltage
intrinsic safety
IP rating
isolated output (or input)
J
jam (gap) detection
K
KHz
L
latch (latching logic)
LED (light emitting diode)
limit adjustment resolution
LIMITS pushbutton
line transients
linear output
linearity
load
load resistance
logic/actuation
long-range ultrasonic proximity sensor
loss of echo
M
mA
microprocessor-based intelligence
MICROSONIC®
multiplexing
N
near (high) limit
NEMA (National Electrical Manufacturers Association) Enclosure Standards
normally closed (N.C.)
normally open (N.O.)
NORYL®
NPN
NPN current sinking output
O
object (target)
object sensing mode
object surface area versus distance to sensor
Off delay time
off-state leakage current
On-delay time
open collector
oscillate
output
output load range
P
piezo
piezoelectric
PNP
PNP current sourcing output
potentiometer
potting
power consumption
power supply
power/connection type
proximity sensing
pull-down resistor
pull-up resistor
pulse
pushbutton configuration
PVC
R
rate potentiometer
reflector angle
remote type sensor
repeatability
resistance
resolution
respect to a smooth, flat surface
response potentiometer
response time (also called sensing rate or cycle time)
retroreflective
reverse polarity
RS232
S
sensing limits
sensing mode
sensing range
sensing window
sensor angle with
sensor functionality
serial communications
shape of the object
shield
shielded cable
silicone rubber
single file conveyor sensing mode
sinking
Smart Sensor
sonic frequency
sourcing
span
step response
SUPERPROX®
surface reflection properties
surface-to-beam angle
switching rate
synchronized sensing
T
temperature
temperature dependence
thru-beam (or “break-beam”) sensing
transducer
triac
turbulence
U
ULTEM®
ultrasonic operating principle
ultrasonic sound
V
VAC
Volt
Voltage
W
warranty
watt
web break detection and material sag control
window
window-edge accuracy
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