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PWL-C Capacitive Level Sensor

PWL-C provides drift-resistant capacitive level measurement under vibration, foam, buildup, corrosion, with no moving parts and local calibration, optional Beidou GPS tracker for trucks and vehicles for feet management.

Applications

  • Sanitation vehicles and septic tanks

  • Tank trucks and oil depots

  • Construction-equipment liquid tanks

  • Wastewater reactors and treatment systems

  • Chemical and pesticide tanks

  • Telecom generator diesel tanks and sealed vessels

Key Features & Advantages

01
Drift-Resistant Digital Processing
The measurement algorithm handles changing media, temperature and harsh process conditions while maintaining stable output without long-term drift.
02
IP68 Vibration-Ready Design
IP68 protection of probe and a no-moving-parts construction withstand vibration, impact and wet installations on tank trucks, construction vehicles and sanitation equipment.
03
Local Zero-Span Calibration
Local ZERO and SPAN adjustment simplifies field setup and allows the measuring range to be matched to the vessel.
04
Stable on Difficult Surfaces
Anti-adhesion, anti-hanging and anti-foam performance helps maintain stable measurement in wastewater, fuel and chemical tanks with difficult surfaces.

Video

Video

Download

File Name
Time
Type
Download
PWL-C-Level-Datasheet-POKCENSER-V2024
Sep 07, 2026
PDF

Technical Data

Model

PWL-C

Pressure Type

Relative (gauge)

Level Range

50-3000mm

Working Pressure

-0.1MPa~0.1MPa (Typical), can customize for high pressure max 32Mpa

Accuracy

±3mm (L ≤ 300mm)
1.0%FS (300 < L ≤ 700mm)
0.5%FS (700 < L ≤ 3000mm)
0.2%FS by customization high cost

Electrical Connection

Directly cable outlet

Probe Diameter

Φ16mm, Φ19mm, Φ22mm, Φ25mm

Signal Output

4-20mA/0-3.3V/0-5V/0-10V/RS485/RS232

Power Supply

4.5-36VDC/12-28VDC

Pressure Connection

M20*1.5, M27*2, flanged

Long-term Stability (%FS/year)

≤0.1

Temp Drift ( %FS/℃ )

≤0.02

Probe Material

SUS304 (Can customize for 316L)

Electrode Material

FEP

Working Temp.

40℃~+85℃(250℃ by customized)

Storage Temp.

40℃~+85℃

Explosion Proof

Exia II CT6 Ga(Optional)

IP Rating

IP67

Cable Length

1000mm or by as required


Ready to Find the Right Sensor Solution?
Tell us your application, medium, pressure range, temperature, installation method and required output signal. Our technical team will recommend a suitable sensor solution for your project.
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