Circulation Fluid Tank Monitoring Water Level Sensor 4 - 20mA Output

Brand Name:Atech
Certification:CE
Model Number:PL301
Minimum Order Quantity:1pc
Delivery Time:5-8 work days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Address: No.132 Yangyang international plaza,Zhuque road, Xi'an, Shaanxi Province, P. R. China
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Submersible pressure transducer PL301 Submersible level transmitter


Feature of PL301 Submersible level transmitter

● Wide range application

● Long service life

● Diffused silicon oil-filed sensor cell

● CE certificate

● Reinforcement cables optional

● Intrinsically sate ,explosion proof


Specifications of PL301 Submersible level transmitter

ssure mediumliquid compatible stainless steel
pressure ranges0~1 m H2O...300 m H2O
overload pressure150%FS
output signal4~20mA, 0.4 ~4.5V, 0~5V, RS485, RS232, 868 Mhz 4~20mA+Hart
accuracy0.1%FS,0.25%FS,0.5%FS (standard)
load resistanceRL = (U-10)/0.02(Ω) (4~20mA current output), >20KΩ (voltage output)
long term stability0.2%FS/year
supply voltage10~36VDC
compensated temperature range-10~70°c
operating temperature range-20~85°c
storage temperature range-40~125°c
temperature coefficient of zero±0.015%FS/°c@25°c
temperature coefficient of span±0.02%FS/°c@25°c
insulation resistance100MΩ@ 250VDC 100MΩ@ 500VDC
Pressure connectionscrew thread, throw-in type
Protection gradeIP68
material of wetted part and housing304SS or 316L
material of pressure membrane316L
Response time1ms

Applications PL301 Submersible level sensor

● Hydraulic monitoring
● Frequency water supply

● Liquid measuring for petroleum ,metallurgy
● City water supply

● Sewage treatment

● Tank level monitoringT

● Water-saving irrigation

● Circulation fluid monitoring


Description PL301 Submersible level transmitter


The submersible static pressure liquid level transmitter PL301 is specially designed for continuous monitoring of liquid level in Wells, reservoirs, water tanks, boreholes and rivers.

The submersible measures the static pressure of the liquid column above the transmitter and transmits a current signal proportional to the water column to the instrument above.

The highly stable 316L stainless steel diaphragm sensor is fully compatible with raw or chlorinated water and most semi-corrosive liquids.

A special ventilation cable is provided to compensate for changes in atmospheric pressure, and it accurately transmits measured liquid levels. The cable length associated with the application can be defined to the desired range at the time of purchase or customized to suit the application site.


The standard submersible level transmitter output is a 2-wire 4-20mA signal that has a surge protection circuit to mitigate the effects of electrical transients caused by nearby lightning strikes and power fluctuations. For applications that use data loggers, a proportional version can be used that provides 0.5-4.5Vdc output from a 5Vdc power supply.



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Circulation Fluid Tank Monitoring Water Level Sensor 4 - 20mA Output

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