Loop Powered Meters Popular Products Process

Loop Powered Meters
Precision Digital manufactures a full line of convenient, loop-powered meters which are easy to install and maintain because they get their power directly from the 4-20 mA current loop. Many of these meters feature a 1 V drop to the current loop and are certified as Intrinsically Safe, Nonincendive, and explosion-proof, for use in hazardous areas. These meters have features that help them to stand out from the competition, such as segmented bar graph representations of the process input, feet & inches level displays, wide operating temperature ranges, and displays that can be easily read in various lighting conditions, from wide angles, and from considerable distances.

Loop Powered Meters Popular Products Process

  • The Loop Leader PD6600 is a general-purpose, loop-powered, 1/8 DIN process meter. A dual-line display featuring five digits on the top line and eight digits on the bottom line, preprogrammed engineering units, loop-powered backlight with a unique red backlight option for alarm conditions, and optional bargraph display (PD6604) or feet & inches display (PD6603) provide a clear and attractive presentation of the process. All models come equipped with two open collector outputs and are available with two solid state relays and a 4-20 mA analog output. These outputs can be programmed for alarm indication, signal retransmission via pulse or analog signal, pump control, and a number of other useful features. The fact that this meter is loop-powered means that there is no need to run additional, costly power lines; the meter gets all of the power it needs from the 4-20 mA loop. The Loop Leader loop-powered process meter is built in a shallow-depth case with a IP65 front and features loop-powered backlighting and a wide -40 to 167°F (-40 to 75°C) operating temperature range. It doesn't matter if it's indoors or out-doors, in bright sunlight or a dimly lit plant, or in an area that is wet, dirty, hot, or cold, the Loop Leader can go just about anywhere.


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  • The ProtEX-Pro PD6800 is one of Precision Digital's most advanced and feature-packed explosion-proof, loop-powered indicators. The fact that this meter is loop-powered means that there is no need to run additional, costly power lines into a hazardous area. Like all ProtEX products, the PD6800 carries CSA, ATEX, and IECEx approvals for use in hazardous areas. It features a dual-line display that can be easily scaled in the field for any 4-20 mA analog input. The display has a five digit upper display, a seven alpha-numeric character lower display, and is available with a twenty-segment bar graph for level applications. Two features that really make the PD6800 stand out are its wide viewing angle display and SafeTouch® through-glass buttons. These buttons allow the PD6800 to be programmed and operated through the glass, thus eliminating the need to remove the cover in a hazardous area.

    Aluminum or Stainless Steel