Level Controller  Manufacturers, Traders, Suppliers

UWT supply level limit and contents measurement sensors for bulk solids and liquids.

continuous level measurement and point level detection.
Furthermore, we offer complete systems for level monitoring and visualisation, working together with our customers to set up the installation and commissioning of our products.
Customers around the world value us for our tailor-made solutions. Accordingly, we can manufacture complete system solutions to individual customer requirements. Our level sensors are characterised by their reliability, easy handling and long service life.

• Variable boom lengths
• Adjustable sensitivity
• Modular device design
• All-rounder in all APPLICATIONS
• Housing, extension arm and process connection in stainless steel or plastic design optional
• Various versions available depending on the device type: Bulk solids measurable from 5g/l, EHEDG version, NAMUR electronics, interface measurement in sediment containers, variable boom lengths, can be used in low DK values from 1.5

• Applicable in temperatures from -40°C to 1100°C
• Applications in process overprinting up to +25bar
• "Active Shield Technology" for functional reliability in case of caking
• Simple commissioning, maintenance-free

As an expert for Level control in bulk solids we have been offering our customers individual solutions for their applications since 1977. Our core competence, however, has remained the same over the years - technical development, production and sales of ingeniously simple and high qualitiy sensors for Level measurement and Monitoring in bulk and solid materials.
Our core industries are: Building & Cement, Chemicals, Food, Animal Feed, Environment & Recycling, Power, Synthetics, Wood, Rubber, Metal, Glass and Others.
Companies around the world continue to value and appreciate the customised solution for their applications, the easy handling, complete reliability and durability of the UWT devices.

PTL Hermann GmbH develops and manufactures vibration type level switches for detecting the presence or absence of powdered or granular solids that are stored in all kinds of silos, hoppers and containers. The products get distributed worldwide.
Principle of operation:
a vibrating system gets forced to vibrate on its resonance frequency by a piezo crystal drive. If filling material, (bulk solids), covers the vibrating blade of the probe, its vibration gets damped. This is sensed by the electronic circuit and the output switches. When the blade gets uncovered due to declining level, the instrument restarts to vibrate and the output switches back.

Product Overview
LEVELSWITCH CV120 / CV130 / CV140 / CV150
Vibrating level switch for all kinds of powdered and granular solids. Applicable for heavy materials like cement as well as for light materials with densities down to 20 grams/litre. Grain size from powder to max. 40mm. Process connection 11/2", insertion lengths 172mm up to 20m.
STOCKTROL CV210 / CV310 / CV410 / CV510
Vibrating level switch for all kinds of powdered and granular solids. For heavy materials as well as for extremely light materials like styrofoam with densities even down to 10 grams/litre. Grain size from powder to max. 20mm. Process connection 11/2", insertion lengths 190mm up to 20m
CV600/CV660
Low-Cost vibrating level switches for grained and granular solids with minimum densities of 20 grams/litre (CV660: 50 grams/litre) and max. grain sizes of 10mm. Process connection 1", insertion length 157mm
SHT 120/130/140
Vibrating level switch for powdered and granular solids with high process temperatures up to 250°C. Process connection 11/2", insertion lengths 184mm up to 4m.

The instruments can be used for overfill protection, for high or low level alarm and in a special configuration for the detection of interfaces, e.g. sand that has settled in water (special model SEDIMENT).
The unique, patented single rod designs of our instruments make them work perfectly and reliably even at critical applications where conventional products cause problems due to bridge building, material build-up or rat holing.

• level monitoring
• SMD-assembly
• cable assembly
• contract manufacturing and the devices mounted on.

Levelflex FMP56 is particularly designed for light-duty process conditions as they occur in silos and storage tanks for solids. FMP56 guided radar offers maximum reliability even in case of dusty atmosphere in narrow silos or in vessels with obstacles. Levelflex FMP56 is used for continuous level measurement in powdery to granular bulk solids. Dust, filling noises, temperature layers and gas layers do not affect the measurement.

Measuring Principle: Guided radar
Characteristic / Application: Basic device for pulling forces up to 12kN; Rope probe; Integrated data memory, Factory precalibrated
Supply / Communication: 2-wire (HART / PROFIBUS PA/ FOUNDATION Fieldbus); 4-wire (HART)
Accuracy: Rope probe: +/- 2 mm (0.08 in)
Ambient temperature: -40...+80 °C; (-40...+176 °F)
Process temperature: –40...+120 °C; (–40...+248 °F)
Process pressure absolute / max. overpressure limit: Vacuum...16 bar; (Vacuum...232 psi)
Main wetted parts: Rope probe:; 304, 316, 316Ti, 316L, PEEK, PPS, PA
Process connection: Thread:; G 3/4, MNPT 3/4
Sensor length: Rope probe: 12 m (40 ft)

• 4 research & development centres
• 5 production locations
• 5 system houses
• 36 subsidiaries worldwide
• 2,400 employees