Precision Digital PD663 Process Meter
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PD663 ProtEX-Lite Explosion-Proof Loop-Powered Meter

Brand: Precision Digital Corporation
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Precision Digital PD663 Process Meter
The PD663 is a loop-powered field meter that is FM Approved and CSA Certified as Explosion-Proof, Dust-Ignition Proof, and Flame-Proof, and ATEX & IECEx Certified as Flame-Proof and Protection by Enclosure. 

The PD663 is easy to install and program and it can be seen in a variety of lighting conditions and even in bright sunlight.

The fact that this meter is loop-powered means that there is no need to run additional, costly power lines into a hazardous area. 

The meter gets all of the power it needs from the 4-20 mA loop and its 1.7 V drop results in a minimal burden on the loop. 

The meter features a wide -40° to 75°C operating temperature range and comes with two 1/2" NPT threaded conduit openings and flanges for wall or pipe mounting. 

Calibration is a quick process involving the four internal push buttons. The PD663’s display will read up to 2999; we call this 3½+ digits!
Features
  • 4-20 mA Input
  • Modern, Sleek and Practical Enclosure
  • 3½+ Digits, 0.6” (15.24 mm) Display
  • Display Mountable at 0°, 90°, 180°, & 270° Degrees.
  • Easy Four-Button Programming
  • Programmable Noise Filter
  • Max/Min Display
  • Loop-Powered Backlight Option
  • 1.7 V Drop (4.7 V with Backlight)
  • Explosion-proof, IP68, NEMA 4X Enclosure
  • Flanges for Wall or Pipe Mounting
  • HART Protocol Transparent
  • Operates from -40° to 75° C (-40° to 167° F)
  • 32-Point and Square Root Linearization Functions

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Specifications

Brand

Approvals & Certifications

  • ATEX, II 2 GD. Ex d IIC T6 Gb. Ex Tb IIIC T85° C Db IP68. Ta = -40 to 75° C
  • CSA, Class I, Div. 1, Groups B, C, D, Class II, Div. 1, Groups E, F, G, Class III, Div. 1, T6. Class I, Zone 1, Ex d IIC T6. Ta = -40 to 75° C
  • FM Class I, Div. 1, Groups B, C, D, Class II, Div. 1, Groups E, F, G, Class III, Div. 1, T6. Class I, Zone 1, AEx d IIC T6 Gb. Zone 21, AEx Tb IIIC T85° C. Ta = -40 to 75° C
  • IECEx SIR 10.0056X. Ex d IIC T6 Gb. Ex Tb IIIC T85° C Db IP68. Ta = -40° to +75° C

Conduit Connection

  • 1/2” NPT

Display

  • 0.6” LCD
  • 3-1/2-Digit LCD

Enclosure, Body Material

  • Explosion-proof Cast Aluminum with Glass Window

Environmental Protection

  • IP66
  • IP68
  • NEMA 4X

Humidity

  • 0 to 90 % Non-Condensing

Input

  • 4-20 mA

Operating Temperature

  • -40° to 75° C (-40° to 167° F)

Storage Temperature

  • -40° to 75° C (-40° to 167° F)

Torque

  • 4.5 In/Lbs

Voltage Drop

  • 1.7 Vdc at 20 mA
  • 4.7 Vdc at 20 mA with Backlight

Documentation

Certifications

Instruction Manuals

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