Digital readouts are specialized displays for position and dimension readings from inspection gages and linear scales, or rotary encoders on machine tools. 

Specialized displays and visual indicators are specialized or proprietary products and accessories related to displays and visual indicators

Temperature indicators and temperature instruments are designed for temperature monitoring and analysis. These devices either come equipped with an integral sensor, or require sensor input

Flow computers, totalizers, and rate indicators integrate the functions of flow and temperature measurement, computation, data acquisition, input / output (I/O) standardization, and closed loop control. They require external sensor inputs and may be used as local rate indicators

Pilot lights and indicator lights are incandescent or LED indicating lights for machines or instruments

Temperature instruments use contact or noncontact methods to measure temperature. Products include dial, digital, industrial and laboratory thermometers; temperature probes, indicators, and sensors; RTD elements and transmitters; and thermistors, thermocouples, thermopiles, and thermal switches. 

Level sensors are used to detect liquid or powder levels, or interfaces between liquids. There are two basic level-measurement types: continuous and point or multi-point.

Digital panel meters measure and display processes and electrical variables via an alphanumeric digital readout

Digital LED displays are segmented or dot matrix displays allowing for numeric only and alphanumeric character representation.

Level transmitters or level transducers are used to measure the level of a liquid or bulk solid material (as well as slurries) within a specified space. For each measurement, they provide an electrical output that is proportional to the input level.

Digital bargraphs measure process and electrical variables such as pressure, flow, temperature, speed, current, and voltage. There are two main types of products: light emitting diode (LED) and liquid crystal display (LCD).  

Analog panel meters measure and display processes and electrical variables with a simple dial display.

Liquid crystal display (LCD) modules are used at the component level in place of less efficient displays such as cathode ray tubes (CRTs). These modules do not include a housing and must be incorporated into a larger instrument or system.

Vacuum fluorescent displays (VFD) provide high brightness, wide viewing angles, and relatively low cost.

Tower lights, stack lights, and machine lights are used for alarm and machine status indication. They can be supplied with audible alarms and be used as flashers or steady light configurations.