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Panel Meters

Introduction to Panel Meters

A panel meter is an instrument that displays an input signal in either a digital or analog form. Many panel meters also include alarm options as well as the ability to connect and transfer data to a computer. Panel meters are usually available with an ethernet option which allows the panel meter reading to be accessed across a local area network (LAN) or even through the internet.

Modern digital panel meters are a highly flexible tool for displaying essential process information. Meters accept direct inputs from temperature sensors and also handle dc voltages and currents. They are also configured to provide a display in wide range of engineering units and are a boon to anyone designing and building factory automation or process control equipment.
Digital Panel Meters
Digital Panel Meters

Learn more about panel meters

Digital & analog panel meters

Panel meters are offered in digital or analog models. Digital models have been consistently replacing analog models especially due to its easy-to-read and easy-to-use features. Analog models can still be found in older equipment or applications, but its readings are usually limited to two digit ratings, therefore reducing their accuracy to the 1-2% range.
Standard DIN Cutouts for Panel Meters

Standard Sizes

Since panel meters are generally mounted inside an instrument panel, the panel must be cut to accommodate the panel meter. In order to provide interchangeability between panel meters, most panel meters are designed to standard DIN sizes. The most common DIN sizes are shown below.

Panel Meter Types

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Temperature and Process Panel Meters Temperature and Process Panel Meters
The most common types of panel meter is one that accepts a single input and provides a digital display of the signal. These meters typically accept inputs from temperature sensors such as thermocouples and RTDs as well as process signals such as 4-20 mA, 0-5 Vdc and 0-10 Vdc.
Totalizers Totalizers
A totalizer is a type of panel meter that provides a summation over time of the input signal. Totalizers are commonly used with pulse inputs to provide a count of the number of pulses. This is typically used in flow measurement applications.
Large Display Panel Meters Large Display Panel Meters
Large display panel meters are commonly used when the display must be visible at a distance. OMEGA's ILD series features digits as large as 4 inches in height.
Multi-Input Indicators and Scanners Multi-Input Indicators and Scanners
OMEGA offers several panel meters that can accept more than one input. Some meters can switch from one channel to the next by pressing a button on the front of the meter while others will automatically scan through a series of channels. OMEGA's CN612 can accept up to 12 temperature inputs.
Benchtop Meters Benchtop Meters
OMEGA offers panel meters built into a benchtop case. The benchtop case provides portability and is commonly used in laboratory applications.
Wallmount Meters Wallmount Meters
For those applications where a panel is not available, OMEGA also offers wall mount indicators. The benchtop case provides portability and is commonly used in laboratory applications.
Analog Meters Analog Meters
At one time most meters were analog style, however, with the advent of digital technology analog meters have become rare. Analog meters are dial type gauges, like the speedometer in most cars. However there are some applications which still dictate analog meters.