Sensors & Instrumentation
Input devices, transmitters, and measurement equipment
C
4 terms
Capacitive Proximity Sensor
Detects both metallic and non-metallic objects using capacitance changes.
Color Sensor
Optical sensor detecting and differentiating colors for sorting applications.
Conductivity Sensor
Measures electrical conductivity of solutions for quality control.
Coriolis Flow Meter
Measures mass flow directly using Coriolis effect on vibrating tubes.
D
3 terms
Differential Pressure Transmitter
Measures pressure difference between two points for flow or level measurement.
Diffuse Sensor
Photoelectric sensor detecting light reflected directly from target object.
Dissolved Oxygen Sensor
Electrochemical sensor measuring oxygen concentration in liquids.
F
2 terms
G
1 term
H
1 term
I
3 terms
Incremental Encoder
Provides pulses for relative position changes requiring homing reference.
Inductive Proximity Sensor
Detects metallic objects using electromagnetic field changes.
Intrinsically Safe
Equipment design limiting energy to prevent ignition in hazardous areas.
L
5 terms
Laser Distance Sensor
High-precision non-contact measurement using laser time-of-flight or triangulation.
Level Sensor
Detects liquid or solid material level in tanks or vessels.
Limit Switch
Mechanical switch activated by physical contact with moving object.
Load Cell
Transducer converting force or weight to proportional electrical signal.
LVDT (Linear Variable Differential Transformer)
LVDT
Precise linear position sensor using transformer coupling variation.
M
4 terms
Magnetic Flow Meter
Measures conductive fluid flow using Faraday's law of electromagnetic induction.
Magnetic Reed Switch
Switch activated by magnetic field, commonly used on cylinders.
MEMS Sensor
Micro-Electro-Mechanical System sensor for pressure, acceleration, or rotation.
Multi-Sensor
Device combining multiple sensing elements in single package.
P
4 terms
pH Sensor
Electrochemical sensor measuring acidity or alkalinity of solutions.
Photoelectric Sensor
Uses light beam to detect object presence, distance, or characteristics.
Pressure Transmitter
Converts pressure measurement to standard electrical signal like 4-20mA.
Proximity Sensor
Non-contact sensor detecting presence of objects without physical touch.
R
3 terms
Radar Level Transmitter
Non-contact level measurement using microwave radar pulses.
Retroreflective Sensor
Photoelectric sensor using reflector to return light beam to receiver.
RTD (Resistance Temperature Detector)
RTD
Temperature sensor using resistance change of platinum element, typically PT100 or PT1000.
S
4 terms
Smart Sensor
Sensor with embedded processing and communication capabilities.
Smart Transmitter
Intelligent field device with digital communication and diagnostic capabilities.
Span Adjustment
Calibration setting output range to match input measurement range.
Strain Gauge
Sensor measuring strain through resistance change in deformed conductor.
T
4 terms
Thermocouple
Temperature sensor generating voltage from junction of dissimilar metals.
Through-Beam Sensor
Photoelectric sensor with separate transmitter and receiver detecting beam interruption.
Turbidity Sensor
Optical sensor measuring suspended particles in liquid.
Two-Wire Transmitter
Device powered by same wires carrying 4-20mA signal, simplifying wiring.
V
4 terms
Vibration Sensor
Accelerometer or velocity sensor monitoring equipment vibration for predictive maintenance.
Virtual Sensor
Software-calculated measurement derived from other sensor inputs.
Vision System
Camera-based system for inspection, measurement, and guidance applications.
Vortex Flow Meter
Measures flow by detecting vortices shed by bluff body in flow stream.
W
1 term