Submersible Level Transmitter

Pokcenser high accuracy submersible Level Sensor also called hydrostatic pressure level sensor with an enclosure of 27mm, 19mm and 16mm in diameter makes it ideal for level monitoring instruments in well, borehole and tanks applications. Constructed for years of trouble free service, it applies imported 316L stainless steel isolation diaphragm diffusion silicon pressure sensor core and 316L SS body&nose cap as robust. Precision ±0.10%, ±0.25% or ±0.50% of full scale accuracy output. Lightning and surge protection is included to stand up in harsh applications. Special cable for air-venting conduit with a maintenance-free filter preventing particulate or water droplets from entering the transmitter, ensures water tightness, and ventilation between inside and outside, so as to acquire accurate and stable measuring data.

Sales contact

Pokcenser Automation Technology Co., Ltd

Mobile: +86 181 7515 5326
Email: info@pokcenser.com
Tel: +86-731-8229 9492

PWL755C Water Level Temperature Recorder

Features

  • Dry capacitive ceramic sensor
  • High accuracy: Level 0.05%F.S, temperature ±0.2℃
  • RS485 Modbus RTU protocol, support DCS or PLC system
  • Internal cyclic storage records 50,000 Pieces(water level, water temperature, time, battery voltage)
  • All stainless steel (or titanium alloy) shell sealed structure, IP68 protection

Application:

  • Groundwater level and temperature monitoring
  • Flood control level monitoring in coastal cities
  • Reservoir and dam water level
  • Lake and surface runoff water water level monitoring
  • Unmanned hydrological monitoring stations
  • Real-time monitoring of liquid level in tanks
  • On-site liquid level monitoring of industrial control systems

Advantages

  • Strong overload resistance, corrosion resistance, high long-term stability
  • Low power consumption, working current in standby<5μA, working current 4mA
  • Wide power supply, 5-30VDC, power reverse protection and surge voltage protection
  • Temperature compensation in the full temperature range, full-scale digital calibration

The Water Level Temperature Recorder is a groundwater level and temperature monitoring instrument that can be powered by external power or internal battery. It can be used to record water depth (pressure) and temperature for a long time. Fully made of stainless steel and consisted with water level sensor and temperature sensors, built-in large-capacity non-volatile memory and high-capacity long-life lithium battery.

Resources

Datasheet

File Name

Time 

Type 

Download

PWL755C Water Level Temperature Recorder

May 05, 2025

PDF 

Technical Parameters

Main Characteristics
Sensing Element Dry capacitive ceramic sensor
Level Range 0~10mH2O…0~100mH2O (Or other)
Water level accuracy ±0.05%F.S.
Resolution 0.005%F.S.
Pressure Type Gauge/Absolute
Long stability <±0.05%F.S/year
Record Frequency 1~5760 minutes
Temperature Accuracy ±0.2℃(0~70℃)
Temperature Resolution 0.05℃
Built-in Battery Life 10 years ( Record once/60 minutes)
Storage Capacity >50,000 pieces readings
Temperature Characteristics
Compensation Temperature 0~50℃
Operating Temperature -20~85℃
Storage Temperature -40~125℃
Electrical Characteristics
Power Supply External voltage: DC5~30V
Internal battery: 2.7~3.6VDC
Power Protection Reverse polarity protection and over-voltage protection, Anti surge 2KV
Communication RS485 Modbus RTU
Load capacity 128 device addressing nodes
Transmission Distance 1,000 meters
Standby Current <5µA
Working Current About 4mA
Mechanical Characteristics
Sensor Service Life >10⁷ recycles of full range pressure
Wetted Parts Material Alumina ceramic gold plating
Sealing Ring Material Viton
Housing Material 316L stainless steel or titanium(optional)
Cable Material PU or PVC
IP Rating IP68

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Main Characteristics
Sensing Element Dry capacitive ceramic sensor
Level Range 0~10mH2O…0~100mH2O (Or other)
Water level accuracy ±0.05%F.S.
Resolution 0.005%F.S.
Pressure Type Gauge/Absolute
Long stability <±0.05%F.S/year
Record Frequency 1~5760 minutes
Temperature Accuracy ±0.2℃(0~70℃)
Temperature Resolution 0.05℃
Built-in Battery Life 10 years ( Record once/60 minutes)
Storage Capacity >50,000 pieces readings
Temperature Characteristics
Compensation Temperature 0~50℃
Operating Temperature -20~85℃
Storage Temperature -40~125℃
Electrical Characteristics
Power Supply External voltage: DC5~30V
Internal battery: 2.7~3.6VDC
Power Protection Reverse polarity protection and over-voltage protection, Anti surge 2KV
Communication RS485 Modbus RTU
Load capacity 128 device addressing nodes
Transmission Distance 1,000 meters
Standby Current <5µA
Working Current About 4mA
Mechanical Characteristics
Sensor Service Life >10⁷ recycles of full range pressure
Wetted Parts Material Alumina ceramic gold plating
Sealing Ring Material Viton
Housing Material 316L stainless steel or titanium(optional)
Cable Material PU or PVC
IP Rating IP68
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