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PT-500E Submersible Level TransmitterAlpha Controls & Instrumentation Inc.
PT-500E Submersible Level TransmitterAlpha Controls & Instrumentation Inc.3 PT-500E Submersible Level TransmitterAlpha Controls & Instrumentation Inc.3 PT-500E Submersible Level TransmitterAlpha Controls & Instrumentation Inc.3

Automation Products Group

PT-500E Submersible Level Transmitter

Submersible Level Transmitter - NSF Certified for potable water

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 The PT-500E Submersible Level Transmitter is NSF-certified for potable water applications, delivering reliable and accurate liquid level measurement in tanks, wells, and water and wastewater systems. Built for durability, it ensures long-lasting performance in demanding environments.

 The PT-500E Submersible Level Transmitter is built for reliability in potable water applications, featuring NSF/ANSI/CAN 61 and 372 certification for safe, compliant use. Designed for durability, this rugged sensor delivers precise liquid level measurement in tanks, wells, and water and wastewater systems. Whether you're monitoring well depth or managing municipal water supplies, the PT-500E ensures accurate, long-lasting performance in demanding environments.

 
Key Features:
 
• NSF/ANSI/CAN 61 and 372 – Meets safety standards for potable water applications
• Submersible & Rugged – Built to withstand harsh conditions
• Versatile Applications – Ideal for tanks, wells, and wastewater systems
• Reliable Performance – Ensures accurate level measurement over time

Performance
Accuracy (linearity, hysteresis, & repeatability):
± 0.25% of span (BFSL) (1% for ≤ 1 psi)
1 Year Stability 0.75% FSO
Temp Effects on Zero & Span ≤ 0.025% FS/ºF @ 70º
Physical
Sensor Housing 316L SS
Enclosure 316L SS
Seal Housing 316L SS
Seal Viton ETP-s
Protective Nose Cone 316L SS
Cables Polyurethane
Electrical
Supply Voltage 4-20 mA, 0-5 VDC, 1-5 VDC: 9-28 VDC
1-10 VDC: 14-28 VDC
mV/V: 10 VDC
Modbus RTU: 9-28 VDC
Current Draw 4-20 mA: 3-30 mA
0-5 VDC, 1-5 VDC, 1-10 VDC: 3 mA
Modbus RTU: 2 mA
Electrical Connection Vented watertight cable w/free ends
Up to 200 lbs tensile strength
Electrical Protection Built in Lightning Transient and Surge protection
Protected against reverse polarity, surge per IEC 61000-4-5
Environmental
Maximum Depth Submersible up to 575 ft.
Standard Compensated Temp ≤ 10 psi: 0º to 60ºC / 32º to 140ºF
> 10 psi: -10º to 70ºC / 14º to 158ºF
Storage Temp -40º to 82ºC / -40º to 180ºF
Operating Temp -40º to 85ºC / -40º to 185ºF
Approvals NSF/CAN/ANSI 61 and 372 Certification
Connectivity
Output 4-20 mA
0-5, 1-5, 1-10 VDC
mV/V
Modbus RTU

 • Potable Water Storage Tanks – Monitor water levels in municipal and commercial drinking water storage tanks while ensuring compliance with NSF standards.

• Groundwater Wells & Aquifers – Measure water levels in wells used for public water supply, ensuring safe and reliable groundwater extraction.
• Water Treatment Plants – Track water levels in reservoirs, filtration basins, and chemical treatment tanks while maintaining safety compliance.
• Desalination & Reverse Osmosis Systems – Monitor water levels in pre-treatment and post-treatment stages of desalination processes to ensure efficient and safe operation.



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