Probes
Siemens level probes, transmitters and controllers provide continuous level measurement or point level detection on your tanks, silos and industrial pipework.
Using advanced technologies such as ultrasonic, radar or hydrostatic measurement, as with the Siemens MultiRanger controller, they offer accurate, non-contact monitoring of liquids, solids and aggressive fluids.
Discover our selection of refurbished or new probes, transmitters and evaluation units to make your inventory management and storage process control more reliable.
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Why buy/repair from 2Tech rather than replacing with new?
Guaranteed compatibility
Save up to 70%
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The advantages
- Independence vs. manufacturer
- 15 specialized technicians
- Component-level repair
- CSR approach to combat obsolescence
FAQ
The controller emits high-frequency acoustic pulses through a remote transducer placed above the product. The wave reflects off the surface of the liquid or solid and returns to the transducer; the electronic unit measures the echo's travel time to accurately calculate the distance, level or volume remaining in the tank.
Measurement errors or loss of echo are usually caused by dense foam on the liquid surface, strong turbulence, material build-up on the transducer face, heavy condensation or internal obstructions (agitators, ladders) within the beam.
First check that the active face of the ultrasonic transducer is clean and that the connecting cable is intact. If the problem persists, checking the configuration (tank profile, suppression of false echoes from fixed obstructions) or diagnosing the controller's evaluation board will isolate any internal fault.
Every evaluation unit and its associated probe are installed on a dedicated test column. We check measurement accuracy over the full range, output signal linearity (4-20 mA / HART / PROFIBUS), clean switching of the level alarm relays and the integrity of the housing seal.
The controller emits high-frequency acoustic pulses through a remote transducer placed above the product. The wave reflects off the surface of the liquid or solid and returns to the transducer; the electronic unit measures the echo's travel time to accurately calculate the distance, level or volume remaining in the tank.
Measurement errors or loss of echo are usually caused by dense foam on the liquid surface, strong turbulence, material build-up on the transducer face, heavy condensation or internal obstructions (agitators, ladders) within the beam.
First check that the active face of the ultrasonic transducer is clean and that the connecting cable is intact. If the problem persists, checking the configuration (tank profile, suppression of false echoes from fixed obstructions) or diagnosing the controller's evaluation board will isolate any internal fault.
Every evaluation unit and its associated probe are installed on a dedicated test column. We check measurement accuracy over the full range, output signal linearity (4-20 mA / HART / PROFIBUS), clean switching of the level alarm relays and the integrity of the housing seal.



