Submersible Level Transmitter
Submersible Level Transmitter For Harsh Chemical Environments - Image 2
Submersible Level Transmitter

Submersible Level Transmitter For Harsh Chemical Environments

PT-503

Quality and reliability you can trust

The PT-503 Submersible Pressure Transmitter is designed to provide precise level measurements in harsh chemical environments. Made from durable PVDF, it offers unmatched reliability where stainless steel and PVC fall short. With analog output options of 4-20 mA and 0.5-4.5 VDC, this transmitter is ideal for submerging up to 21 meters (69 feet) underwater at 30 psig. It delivers dependable readings in environments with corrosive chemicals like acids, chlorine, and benzene.

  • Easy Installation: Simple to install for easy deployment
  • Accurate Measurements: High precision with amplified 4-20 mA and 0.5-4.5 VDC outputs
  • Durable Materials: Withstands most caustic and corrosive chemicals
  • Submersible Design: Suitable for up to 69 ft (21 m) submersion in water
  • Dependable Performance: Reliable performance in challenging environments

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PT-503 Datasheet

PT-503 User Manual
  • Pressure Ranges: 0 to 30 PSIG
  • Analog Output: 4-20mA, 0.5 – 4.5 VDC (Ratiometric)
  • Over Pressure: 2X FSO
  • Burst Pressure: 3X FSO
  • 1 Year Stability: ≤0.75% of span
  • Operating Temperature: 0°F to 158°F (-18°C to 70°C)
  • Maximum Submersible Depth: 69 ft / 21 m in water / 30 psig
  • Fluid Maximum Specific Gravity: 2
  • Supply Voltage (at sensor):
    • 4-20 mA: 9-30 VDC
    • 0.5 – 4.5 VDC: 4.5 – 5.5 VDC
  • Current Draw:
    • 4-20 mA: 3-30 mA
    • 0.5 – 4.5 VDC: 3 mA
  • Overall (Linearity, Hysteresis, Repeatability): ±0.5% of Full Scale (BFSL)
    • Thermal Span Shift: (0°F to 158°F) ±0.008% of Full Scale / °F (±0.014% / °C)
    • Thermal Zero Shift: (0°F to 158°F) ±0.008% of Full Scale / °F (±0.014% / °C)
  • Ceramic AL2O3
  • FEP
  • FKM (Viton™ ETP)
  • PVDF
What makes the PT-503 suitable for harsh chemical environments?

The PT-503 is made from durable PVDF, a material that offers superior chemical resistance compared to stainless steel and PVC. It is designed to withstand exposure to corrosive chemicals like acids, chlorine, and benzene, making it ideal for use in challenging environments.

Yes, the PT-503 is compatible with a variety of harsh chemicals, including chlorine, hydrochloric acid, nitric acid, sodium hydroxide, sulfuric acid, benzene, and potassium permanganate. Always verify the chemical concentration and temperature compatibility before use.

Yes, while the PT-503 is optimized for chemical applications, it can also be used in any environment requiring precise fluid level or pressure measurement, such as water treatment or industrial processes.

Before use, always consult the manufacturer’s guidelines and verify the concentration and temperature compatibility of the chemicals in your specific application to ensure the longevity and accuracy of the transmitter.

The PT-503 has a pressure range of 0 to 30 psig, making it ideal for low to moderate pressure environments.

PRESSURE

0-30 psig
INDUSTRY

Chemical, Industrial Automation, Water & Wastewater

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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