True Echo Dual Frequency Pulse Radar Level Transmitter For Solids
True Echo Dual Frequency Pulse Radar Level Transmitter For Solids - Image 2
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True Echo Dual Frequency Pulse Radar Level Transmitter For Solids

PRS

Dependable Level Readings From Difficult Materials

The True Echo™ PRS Dual Frequency Pulse Radar Level Transmitter for Solids provides precise level measurements for difficult-to-measure solids, such as powders, pellets, grains, and granules. Equipped with dual frequencies (6.3 GHz and 26 GHz), the PRS offers reliable, accurate readings by quickly interpreting complex reflections from piled solids. It automatically adjusts signal power for optimal performance, while echo masking and damping factors can be configured via software to enhance measurement accuracy. The PRS ensures dependable readings in challenging materials, making it ideal for various industrial applications.

  • Versatile Range Options: 17, 50, or 100 feet
  • High Precision: ±0.25% of measured range accuracy
  • Fine-Tuned Resolution: 6.1 μA output resolution
  • Flexible Output: Field-configurable 4-20 mA/20-4 mA Output
  • Advanced Connectivity: RS-232, RS-485, or HART communications
  • Smart Software: PC calibration, diagnostic, and data logging software
  • Seamless Integration: PLC-compatible (Modbus RTU)
  • Rugged Protection: NEMA 6/IP68 enclosure rating
  • Adaptive Performance: Automatic adjustments for diverse tank conditions
  • Reliable in Low-Dielectric Materials: Low material dielectric constant requirement
  • Rapid Response: Optional Fast Firmware for rapid level changes

ⓘ

PRS Install Guide
  • Operating Range:
    • PRS-017: 1 -17 ft. (0.3 – 5 m)
    • PRS-050: 1 – 50 ft. (0.3 – 15 m)
    • PRS-100: 1 – 100 ft. (0.3 – 30 m)
  • Frequency: 6.3 GHz and 26 GHz
  • Accuracy: ± 0.25% of maximum range
  • 4-20 mA Resolution: 6.1 μA (approx. 2622 digital counts across range)
  • Target Dielectric Constant: εr > 2
  • Enclosure Operating Temperature: -40º to 140ºF (-40 to 60ºC)
  • Process/Probe Temperatures:
    • Standard: -40º to 176ºF (-40 to 80ºC)
    • High Temp: -40º to 350ºF (-40 to 177ºC)
    • Extreme Temp: -40º to 572ºF (-40 to 300ºC)
  • Maximum Process Pressures:
    • Standard Temp: 5 bar (72.5 psi)
    • High/Extreme Temps: 2 bar (29.0 psi)
  • Enclosure:
    • NEMA 6: Aluminum or 316L Stainless Steel, IP68 Sealing
  • Loop Resistance: RL = (VS – 6) / 24 mA
  • Input Voltage:
    • 12-30 VDC; 20-35 VDC (HART);
    • 115 VAC (60 Hz); 230 VAC (50 Hz)
  • Power Consumption:
    • 0.07 A max, 1.68 W @ 24 VDC
    • 1.7 VA for 115/230 VAC

RS-485, RS-232, or HART for calibration and diagnostics

Output: 4-20 mA (shared common or isolated); HART

  • Antenna:
    • Horn: 316L Stainless Steel, Ø 6.3” (160 mm)
      Beam spread: 3° from center
  • FCC
    • Part 15 for low power communications class II install
What is the PRS True Echo™ Dual Frequency Pulse Radar Level Transmitter?

The PRS is a radar level transmitter designed to provide accurate and reliable level measurements in challenging environments. It utilizes dual-frequency pulse radar technology, making it suitable for measuring levels of solids, powders, and granules, as well as liquids.

The PRS is ideal for measuring levels in applications such as:

  • Granular solids​
  • Plastic pellets​
  • Minerals and mining​
  • Sand and gravel​
  • Food and beverage processing​
  • Chemical and petrochemical industries
  • Wastewater treatment​

The PRS is designed to perform reliably in harsh conditions:​

  • Dust: Its radar technology is unaffected by dust, making it suitable for environments with high particulate matter.​
  • Temperature and Pressure: The PRS operates effectively across a wide range of temperatures and pressures, maintaining accuracy in varying conditions.

The PRS complies with FCC Part 15 regulations for low-power communications and Class II installations, ensuring safe and compliant operation in industrial environments.

The PRS utilizes dual-frequency technology, operating at 6.3 GHz and 26 GHz. This dual-frequency capability enhances measurement accuracy, especially in applications involving solids and powders.

RANGE

1' – 100', 1' – 15', 1' – 25', 1' – 30', 1' – 50', 16' – 30', 31' – 50'
ENCLOSURE PROTECTION

IP68, NEMA 6
OUTPUT

4-20 mA
INDUSTRY

Food & Beverage, Industrial Automation
CERTIFICATION

FCC
MOUNT

3"
INPUT

Voltage

WARRANTY

APG warrants its products to be free from defects in material and workmanship under normal use and service of the product for 24 months from the date of shipment from APG, unless otherwise specified by APG in writing. Read our full warranty policy HERE.

RETURNS

Returns and allowances must be authorized by APG in advance, which authorization may be granted or withheld by APG in APG’s sole and absolute discretion. Read our full return policy HERE.

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