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

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PWL800 CTD Water Level Sensor

Features

Integrated measurement of water depth, temperature and conductivity
High accuracy: Level 0.05%F.S., resolution 1mm
RS485 Modbus RTU standard communication protocol
Reverse polarity protection and over-voltage protection
Anti-surge and anti-electromagnetic interference circuit board
IP68 protection level

Applications

Groundwater quality and water level monitoring
Reservoir and dam water quality and water level
Lake and surface runoff water quality and water level monitoring
Unattended water quality and hydrological monitoring stations
Real-time monitoring of liquid level and water quality in tanks
On-site liquid level and water quality monitoring of industrial control systems

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Advantages

All in one, compact and durable
High-quality and high-stability sensing elements
Low consumption: Intelligent power management design
Internal intelligent linear correction and temperature compensation

CTD Water Level Sensor is a hydrological&water quality measuring instrument that integrates three-parameters: water level, temperature and conductivity. Those three parameters can be output at the same time. All in a 316L or titanium alloy housing probe and a cable, makes it very convenient and easy for installation. High precision and high stability pressure sensing components makes it 0.05%FS accuracy water level sensor.

Resources

Datasheet

File Name	Time	Type	Download
PWL800 CTD Water Level Sensor	Sep 24, 2025	PDF

Technical Parameters

Water Level Sensor	/
Water level accuracy	±0.05%F.S. (0~50℃)
Level Range	0~10m, 20m, 40m, 80m...300mH2O
Safe Overload	≤200%FS
Long stability	<0.05%F.S/year
Water Temperature Sensor	/
Temperature Accuracy	±0.2℃(0~70℃)
Temperature Range	-40~80℃
Resolution	0.01℃
Conductivity Sensor	/
Conductivity Range	0~40mS/cm, 0~100mS/cm, others on request
Conductivity Accuracy	1.5%F.S.
Resolution	0.001mS
Others	/
Compensation Temperature	0~50℃
Operating Temperature	-10~70℃
Storage Temperature	0~50℃
Power Supply	5~30VDC
Working Current	30mA
Communication	RS485 Modbus RTU
Protection Level	IP68
Housing Material	316L stainless steel or titanium alloy
Cable Material	Polyvinyl chloride, polyurethane, Teflon
Cable Specifications	Φ7.6 ± 0.2mm water-proof with air hole, shielding layer and steel wire

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