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With a low dielectric requirement for target materials, and radar’s reliable accuracy in environments with foam or vapors, True Echo™ PRX makes getting dependable level readings in Class I, Division 1, and Class II/III,  Division 1 hazardous locations simple.

Features
  • Explosion Proof
  • Easy Wiring and Set-up 
  • Self Adjusting 

 

Specifications

Accuracy

  • ± 0.25 % of maximum range

Antenna Material

  • Teflon Rod
  • 316L Stainless Steel 6" Ø Horn
  • High Temperature Teflon Rod
  • High Temperature 316L Stainless Steel Horn
  • High Pressure Teflon Rod

Available Ranges

  • PRX-017: 1 - 17 ft
  • PRX-050: 1 - 50 ft
  • PRX-100: 1 - 100 ft

Enclosure Operating Temperature

  • -40° to 140° F

FCC

  • Part 15 for low power communications class II install

FM Certifications

  • Explosion-proof
  • Class I, Div. 1 Groups B, C, D T6 (Ta 60° C)
  • Dust-Ignition Proof
  • Class II, III, Div. 1 Groups E, F, G T6 (Ta 60° C)

Frequency

  • 6.3 GHz

Housing Material

  • Aluminum
  • 316 Stainless Steel

Input Voltage

  • 12-30 VDC
  • 20-35 VDC (HART)

Loop Resistance

  • RL = (VS - 6) / 24 mA

Material Dielectric

  • Er > 2

Maximum Process Pressure

  • Standard Temp/Pressure: 5 bar, 72.5 psi
  • Standard Temp/High Pressure: 70 bar, 1015.3 psi
  • High/Extreme Temps: 2 bar, 29.0 psi

Mounting

  • 1.5, 2, or 3 in. NPT
  • 13 in. Ø 316L Stainless Steel Bottom Flange

Output

  • 3-wire 4-20 mA
  • 2-wire HART

Power Consumption

  • 0.07 A max, 1.68 W @ 24 VDC

Probe Operating Temperature

  • Standard: -40° to 176° F, -40° to 80° C
  • High Temp: -40° to 350° F, -40° to 177° C
  • Extreme Temp: -40° to 572° F, -40° to 300° C

Protection Rating

  • NEMA 4x/IP65

Resolution

  • 6.1 μA - approx. 2622 digital counts across range
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