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Protex Loop Powered Meters

Precision Digital embraces the motto "Simplified information where and how you want it." Its product lineup includes line- and loop-powered indicators, rate/totalizers, scanners, annunciators, temperature indicators and controllers, Modbus® meters, large display indicators, multi-channel controllers, and industrial wireless products. These instruments are mainly utilized in flow, level, pressure, and temperature applications and are designed for panel, field, and surface mounting.
 
Customers appreciate Precision Digital's expertise in display and control, especially in creating products that perform reliably in challenging environments, including hazardous areas and harsh outdoor conditions, supported by appropriate approvals.
 
Most of Precision Digital's offerings have received approvals and certifications to meet UL, CSA, FM, ATEX, IECEx, CE, and NEMA standards. The company is committed to its employees, customers, and technologies, and has achieved ISO 9001:2015 certification for its quality management system.
With 45 years of experience in the process market, Precision Digital continuously leverages its knowledge to design and manufacture outstanding products. 
 
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Precision Digital's Premier Meters and Indicators
 


PD6900-HA ProtEX+ Explosion-Proof & I.S. Loop-Powered Indicators

The ProtEX+ loop-powered explosion-proof & intrinsically safe meters can be installed virtually anywhere to provide convenient and informative display of any 4-20 mA signal. They can operate down to -40°C and be installed in areas that get as cold as -55°C, however the display will cease functioning. One of the most convenient features is the dual-line display, typically used to display the process variable on the 5-character alphanumeric top display and the units of measure or tag on the 8-character alphanumeric bottom display. Feet and inches models display level in feet and inches on the top display while the 8-digit alphanumeric bottom line may be used to display a tag or custom message. Further enhancing the display on these instruments is a 20-segment bargraph.
The ProtEX+ carries all major approvals including:
  • UL Listed as Explosion-Proof / Dust Ignition-Proof / Flame-Proof
  • CSA Certified as Explosion-Proof / Dust Ignition-Proof / Flame-Proof
  • ATEX and IECEx Certified as Intrinsically Safe / Explosion-Proof
Four CapTouch through-glass buttons are available to operate the instrument without removing the cover. Free, PC-based, MeterView XL software that connects to the meter via a micro USB cable is available for programming and setup of the meters.
All models come equipped with two open collector outputs and a digital input. There are also models available with two solid-state relays and isolated 4-20 mA analog output options.
 

 

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PD6928-HA ProtEX+ Explosion-Proof & I.S. Loop-Powered Rate/Totalizers

The ProtEX+ loop-powered explosion-proof & intrinsically safe flow rate/totalizers can be installed virtually anywhere to provide convenient and informative display of any 4-20 mA signal. They can operate down to -40°C and be installed in areas that get as cold as -55°C, however the display will cease functioning. One of the most convenient features is the dual-line display, typically used to display the flow rate on the 5-character alphanumeric top display and flow total, flow grand total, or tag on the 8-character alphanumeric bottom display. The top display uses 12-segment, and the bottom display uses 14-segment alphanumeric characters for clear indication of tags, units, or alarm messages. Further enhancing the display on these instruments is a 20-segment bargraph.
 
The ProtEX+ carries all major approvals including:
  • UL Listed as Explosion-Proof / Dust Ignition-Proof / Flame-Proof
  • CSA Certified as Explosion-Proof / Dust Ignition-Proof / Flame-Proof
  • ATEX and IECEx Certified as Intrinsically Safe / Explosion-Proof
Four CapTouch through-glass buttons are available to operate the instrument without removing the cover. Free, PC-based, MeterView XL software that connects to the meter via a micro USB cable is available for programming and setup of the meters.
 
All models come equipped with two open collector outputs and a digital input. There are also models available with two solid-state relays and isolated 4-20 mA analog output options. The relays can be programmed for alarm indication, sample, timer, batch control, or stopwatch.
 

 

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PD663 ProtEX-Lite Explosion-Proof Loop-Powered Meter

The ProtEX-Lite carries all major approvals including:
  • UL Listed as Explosion-Proof / Dust Ignition-Proof / Flame-Proof
  • CSA Certified as Explosion-Proof / Dust Ignition-Proof / Flame-Proof
  • ATEX and IECEx Certified as Explosion-Proof
It is available in either an aluminum or stainless steel enclosure with ½" NPT or M20 threaded conduit openings. The PD663 is easy to install and program and the display can be seen in a variety of lighting conditions, even in bright sunlight. It will operate down to -40°C and is approved for installation in areas where the temperature gets as cold as -55°C, however the display will cease functioning.
 

 

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PD6870 ProtEX-FarVu Explosion-Proof Large Display Loop-Powered Meter

The ProtEX-FarVu PD6870 is a rugged, explosion-proof, loop-powered meter with 1" display digits ideal for demanding applications in hazardous areas or in the harshest environmental conditions.
 
The ProtEX-FarVu carries all major approvals including:
  • UL Listed as Explosion-Proof / Dust Ignition-Proof / Flame-Proof
  • CSA Certified as Explosion-Proof / Dust Ignition-Proof / Flame-Proof
  • ATEX and IECEx Certified as Explosion-Proof
The PD6870 is available in either an aluminum or stainless steel enclosure with ¾" or M20 connections. It will operate down to -40°C and is approved for installation in areas where the temperature gets as cold as -55°C, however, the display will cease functioning.
 

 

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PD6800 ProtEx-Pro Explosion-Proof Loop-Powered Process & Level Meter (Obsolete)

The PD6800 is a rugged, full-featured, explosion-proof loop-powered meter ideal for demanding applications in hazardous areas or in the harshest environmental conditions.
 
The product is CSA Certified as Explosion-Proof / Dust Ignition-Proof / Flame-Proof and ATEX & IECEx Certified as Explosion-Proof. It is available in either an aluminum or stainless steel enclosure with ¾" or M20 conduit connections. It will operate down to -40°C and is approved for installation in areas where the temperature gets as cold as -55°C, however the display will cease functioning.
 
The meter derives all of its power from the 4-20 mA loop, thus making installation a simple matter of wiring the instrument into the existing loop. No external power is required. Programming is performed using the four SafeTouch through-glass buttons and can be done without removing the cover. In addition, the meter can be scaled with or without a calibration signal.
 
The backlit LCD display consists of two lines with the addition of a 20-segment bargraph on the PD6800-0L1. The main line of the display has five full digits and is used to display the process variable. The secondary line has seven alphanumeric characters and is used for a tag, engineering units, or displaying the input in different units (for the PD6800-0L1). For instance, on the PD6800-0L1, the top line could display the height of the tank in feet and the bottom line could display the same input in gallons. The bargraph provides a quick visual of the current state of the process variable. The backlight makes the display visible under any lighting condition and can be powered from either the 4-20 mA loop or from a separate DC power supply.
 

 

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