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.
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
Upgrade your water level monitoring with the PT-500E – precision you can trust in every drop.
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.
Refer to Model Number Configurator on the datasheet for a full list of configuration options.
| Model Number | Model Description |
|---|---|
| PT-500E-5-PSI-G-L1-E0-P1-40-N0 | 4-20mA, 0-5 PSI, 1/2” NPTM w/ removable nose cone, 40 ft. Polyurethane cable, 0° - 60°C |
| PT-500E-10-PSI-G-L3-E0-P1-40-N0 | 0-5 VDC, 0-10 PSI, 1/2” NPTM w/ removable nose cone, 40 ft. Polyurethane cable, 0° - 60°C |
| PT-500E-15-PSI-G-L5-E0-P1-60-N0 | Modbus RTU, 0-15 PSI, 1/2” NPTM w/ removable nose cone, 60 ft. Polyurethane cable, -10° - 70°C |
| PT-500E-20-PSI-G-L1-E0-P1-60-N0 | 4-20m, 0-20 PSI, 1/2” NPTM w/ removable nose cone, 60 ft. Polyurethane cable, -10° - 70°C |
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
Sensor Housing
316L SS
Enclosure
316L SS
Seal Housing
316L SS
Seal
Viton ETP-s
Protective Nose Cone
316L SS
Cables
Polyurethane
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
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
NSF/CAN/ANSI 61 and 372 Certification
Output
4-20 mA
0-5, 1-5, 1-10 VDC
mV/V
Modbus RTU
