Storage tank and process vessel level monitors

The new Sitrans probes LU and LR deliver continuous measurement of the fill level of storage tanks and process vessels as well as the flow rate in open flumes

The new Sitrans Probes LU and LR from Siemens Automation and Drives - Process Instrumentation and Analytics deliver continuous measurement of the fill level of storage tanks and process vessels as well as the flow rate in open flumes.

The Sitrans Probe LU operates with ultrasound, the Sitrans Probe LR with radar.

Sitrans Probe takes the (Milltronics) award winning sensor known as "The Probe" to a higher level.

It offers a longer measurement range and an improved signal-to-noise ratio that enhances echo processing features, such as sonic intelligence and auto false-echo suppression, for greater accuracy and reliability.

Sitrans Probe LU and Sitrans Probe LR combine innovative transducer and antenna designs, and remote communication using Simatic PDM and HART.

Set-up is simple without opening the lid, even in hazardous areas, using the patented Intrinsically Safe infrared hand-held programmer.

Both devices process signals over a broad measuring range and have a high signal-to-noise ratio: interference echoes are automatically filtered out to ensure reliable analysis of echo signals.

These qualities make the Sitrans Probes ideally suited to the water/sewage, food, mining, cement and chemical industries where reliable results with high precision are vital.

The 2-wire Sitrans Probe LU ultrasonic transceiver has a measuring range of up to 12 meters in liquids and slurries and is particularly well suited for stored food products and chemicals.

The low-noise sensor is made of ETFE (ethylene-tetrafluorethylene) or PVDF (polyvinylidene fluoride) with patented anti-noise shielding and is robust under exposure to various chemicals and varying temperatures.

The 2-wire Sitrans Probe LR radar level transmitter measures fill levels and volumes in applications involving chemical vapours, temperature gradients, vacuum and high pressure.

The solid polypropylene rod antenna operates at 5.8 gigahertz, in North America at 6.3 gigahertz, with a measuring range of 0.3 to 20 meters.

It is highly resistant to chemicals and hermetically sealed.

The integrated interior shielding suppresses noise, such as might result from mounting studs.

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