The Vantageview PD6770 is a rugged, loop-powered meter with 1" display digits. The plastic NEMA 4X and IP66 field mountable enclosure is designed for demanding applications in the harshest environmental conditions. The meter derives all of its power from the 4-20 mA loop with a small 1 volt drop for easy installation in almost any system. The meter is programmed using four easy to access front-mounted potentiometers with no complex or difficult to read programming menus necessary for setup. The numeric display will read from -1000 to 1999 over a 2000 count user adjustable scaling span. The backlight option lets you see the display under any lighting condition and is powered from the 4-20 mA loop with no additional power supply required. The enclosure is provided with three threaded conduit holes and integrated pipe or wall mounting slotted flanges.
Features
- NEMA 4X, IP66 Field-Mount Loop-Powered Process Meter
- 4-20 mA Input
- 1 Volt Drop (4 Volt Drop with Backlight)
- 1.0" (25.4 mm) 3½ Digits LCD Display; -1000 to 1999
- Display Mountable at 0°, 90°, 180°, & 270°
- HART® Protocol Transparent
- Loop-Powered Backlight Option
- Operating Temperature Range: -40 to 75°C (-40 to 167°F)
- Zero & Span Potentiometer Adjustments for Easy Field Scaling
- Conformal Coated PCBs for Dust and Humidity Protection
- Wide Viewing Angle
- Flanges for Wall or Pipe Mounting
- Tag or Tamper Seal Loop
- Three ¾" NPT Threaded Conduit Openings (Two Plugs Provided)
- 2" U-Bolt Kits Available
- Stainless Steel Tag Available
- 3-Year Warranty
Why Use Loop-Powered Meters?
The most basic decision a user wishing to display a 4-20 mA signal on a digital display has to make is: should the meter be powered by line voltage or should it be powered by the 4-20 mA loop?
There are three main benefits of using loop-powered devices:
- No additional power required
- Easy wiring
- Additional digital displays can easily be added in the same loop
The following diagram illustrates how a loop-powered meter is wired. Notice there are only two connections made to the meter.
For more information on loop-powered meters, check out Fundamentals of Loop-Powered Devices and Loop-Powered vs Line-Powered Meters white papers.