True Echo™ PRX makes getting dependable level readings in Class I, Division 1, and Class II/III, Division 1 hazardous locations simple.
With a low dielectric requirement for target materials, and radar’s reliable accuracy in environments with foam or vapors, the easy to install True Echo™ PRX makes getting dependable level readings in hazardous places simple.
Explosion Proof
The True Echo™ PRX Explosion Proof Pulse Radar Level Transmitter brings the unassailable level readings of radar sensors to Class I, Division 1, and Class II/III, Division 1 hazardous locations.
Easy Wiring & Set-up
From a 2- or 3-wire 4-20 mA output, to pushbutton field calibration, everything about the True Echo™ PRX is easy.
Self Adjusting
True Echo™ PRX automatically adjusts signal power for optimal accuracy and output clarity.
All common model configurations can be purchased online, click the model number link below. Refer to Model Number Configurator on the datasheet for a full list of configuration options.
| Model Number | Model Description |
|---|---|
| PRX-050-V024-C4-AL-TE-T2 | 50' range, aluminum body, teflon antenna, 2" NPT mount, RS-485 communication |
| PRS-050-V024-C4-SS-TE-T2 | 50' range, 316L stainless steel body, teflon antenna, 2" NPT mount, RS-485 communication |
| PRS-100-V024-C4-AL-S6-T3 | 100' range, aluminum body, 316 L SS 6" horn, 3" NPT mount, RS-485 communication |
Available Ranges
PRX-017: 1 to 17 ft.
PRX-050: 1 to 50 ft.
PRX-100: 1 to 100 ft.
Frequency
6.3 GHz
Accuracy
±0.25% of maximum range
Resolution
6.1 μA (approx. 2622 digital counts across range)
Material Dielectric
Er > 2
Housing
Aluminum
316 Stainless Steel
Mounting
1.5, 2, or 3 in. NPT
13 in. Ø 316L SS Bottom Flange
Antenna
Teflon Rod
316L Stainless Steel 6” Ø Horn
High Temperature Teflon Rod
High Temperature 316L SS Horn
High Pressure Teflon Rod
Loop Resistance
RL = (VS - 6) / 24 mA
Input Voltage
12-30 VDC
20-35 VDC (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)
Enclosure Operating Temperature
-40 to 140° F
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)
Protection Rating
NEMA 4x/IP65
FCC
Part 15 for low power communications class II install
FM Certifications
Explosion Proof
Class I Division 1 Groups B, C, D T6 (Ta 60°C)
Dust-Ignition Proof
Class II/III Division 1 Groups E, F, G T6 (Ta 60°C)
Output
3 wire 4-20mA
2 wire HART
