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Submersible Level Transmitters

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Submersible level sensors take constant level readings by measuring the hydrostatic pressure emitted by a liquid in a tank. Hydrostatic pressure measures the density of the fluid and the height of the fluid. Assuming the density of the fluid is constant, the change in hydrostatic pressure is due to the height of the liquid in the tank. The atmospheric pressure above the liquid line affects the hydrostatic pressure at the bottom of the tank as well as the level of the liquid in the tank. Tanks that are vented or not pressurized do not have a constant atmospheric pressure. In these situations, the submersible level sensors have their own venting to make up the difference, allowing the device to keep its readings reliable.

TEK-TROL Tek-Sub 4800A PTFE Submersible Level Transmitters are designed for continuous submersion in aggressive fluids and provides excellent corrosion resistance in most liquids. Tek-Sub 4800B Submersible Level Transmitters provide reliable level measurement in a wide variety of applications are are equipped with a ventilation tube that automatically compensates for changes in atmospheric pressure above the tank. 

Tek-Sub 4800C Borehole Submersible Level Transmitters and Dwyer Mercoid MBLT Miniature Submersible Level Transmitters are narrow in diameter and are ideal for conduit installations such as boreholes, wells and slender pipes. 

Tek-Sub 4800D Wastewater Submersible Level Transmitters and Dwyer Mercoid PBLT2 and PBLTX Submersible Level Transmitters are designed specifically for slurry and wastewater applications. The clog-free silicon piezoresistive sensor determines liquid level without being affected by debris. The instantaneous level output is used for pump control to maintain the level or to report the real-time level status.

Products

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Tek-Trol Tek-Sub 4800D-20-42-05-T20 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800D-20-42-05-T20 Submersible Level Transmitter 4-20 mA
$830.00
Tek-Sub 4800D-20-42-05-T20 Submersible Level Transmitter 20 PSI 4-20 mA 0.5% Accuracy 312 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800D-15-42-05-T20 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800D-15-42-05-T20 Submersible Level Transmitter 4-20 mA
$830.00
Tek-Sub 4800D-15-42-05-T20 Submersible Level Transmitter 15 PSI 4-20 mA 0.5% Accuracy 311 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800D-10-42-05-T14 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800D-10-42-05-T14 Submersible Level Transmitter 4-20 mA
$723.00
Tek-Sub 4800D-10-42-05-T14 Submersible Level Transmitter 10 PSI 4-20 mA 0.5% Accuracy 310 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800D-05-42-05-T14 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800D-05-42-05-T14 Submersible Level Transmitter 4-20 mA
$723.00
Tek-Sub 4800D-05-42-05-T14 Submersible Level Transmitter 5 PSI 4-20 mA 0.5% Accuracy 309 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800D-15-42-05-P34 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800D-15-42-05-P34 Submersible Level Transmitter 4-20 mA
$661.00
Tek-Sub 4800D-15-42-05-P34 Submersible Level Transmitter 15 PSI 4-20 mA 0.5% Accuracy 308 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800D-20-42-05-P20 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800D-20-42-05-P20 Submersible Level Transmitter 4-20 mA
$583.00
Tek-Sub 4800D-20-42-05-P20 Submersible Level Transmitter 20 PSI 4-20 mA 0.5% Accuracy 307 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800D-15-42-05-P20 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800D-15-42-05-P20 Submersible Level Transmitter 4-20 mA
$583.00
Tek-Sub 4800D-15-42-05-P20 Submersible Level Transmitter 15 PSI 4-20 mA 0.5% Accuracy 306 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800D-10-42-05-P14 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800D-10-42-05-P14 Submersible Level Transmitter 4-20 mA
$548.00
Tek-Sub 4800D-10-42-05-P14 Submersible Level Transmitter 10 PSI 4-20 mA 0.5% Accuracy 305 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800D-05-42-05-P14 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800D-05-42-05-P14 Submersible Level Transmitter 4-20 mA
$548.00
Tek-Sub 4800D-05-42-05-P14 Submersible Level Transmitter 5 PSI 4-20 mA 0.5% Accuracy 304 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800C-15-42-25-P34 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800C-15-42-25-P34 Submersible Level Transmitter 4-20 mA
$590.00
Tek-Sub 4800C-15-42-25-P34 Submersible Level Transmitter 15 PSI 4-20 mA 0.25% Accuracy 304 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800C-10-42-25-P25 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800C-10-42-25-P25 Submersible Level Transmitter 4-20 mA
$540.00
Tek-Sub 4800C-10-42-25-P25 Submersible Level Transmitter 10 PSI 4-20 mA 0.25% Accuracy 304 SS,PTFE,316L SS Housing
Tek-Trol Tek-Sub 4800B-20-42-05-T20 Submersible Level Transmitter 4-20 mA
Tek-Trol Tek-Sub 4800B-20-42-05-T20 Submersible Level Transmitter 4-20 mA
$609.00
Tek-Sub 4800B-20-42-05-T20 Submersible Level Transmitter 20 PSI 4-20 mA 0.5% Accuracy 304 SS,PTFE,316L SS Housing

 

Some of the most common types of transmitters and transducers can be found on pressure instruments. Examples of these include: drop-in well pressure devices and devices that measure the pressure in a pipe or gas chamber. Transmitters and transducers can also be found on flow and speed measurement devices. 

What is the difference between transmitters and transducers? The main difference is the way they send data to the monitoring device, like a PLC. In terms of measurement, the transmitter will reference a measuring unit by sending a milliamp signal (such as 4-20 mA). A transducer will reference a measuring unit by sending a voltage signal, typically in volts or millivolts.  

Why have the two different types of transmission methods? The method will depend on the application. If the electrical connection in the application travels a short distance, a pressure transducer is the better choice. Pressure transducers are smaller with fewer active electronic components that can be upset by electromagnetic interference. Also, the voltage signals transmitted over longer distances are subject to voltage drop and signal corruption. A transmitter is better for transmitting signals over a long distance.

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