The LTU-2000 Series Tuning Fork Sensors are point level switches that are designed to detect low or high levels of liquids. The LTU-2000 Series is based on the vibrating tuning fork principle, using piezoelectric crystals. The switch vibrates at a resonant frequency. When the tuning fork is submerged in the product, the frequency changes. This change is detected by the integrated oscillator and converted into a switching output. All models are made with 316 Stainless Steel and are available with PTFE coatings or tri-clamp fittings for sanitary applications. The LTUM-2000 Series can operate in temperatures up to 120°C (248°F) and all have a maximum working pressure of 725 PSI (50 bar).
SPECIFICATIONS Viscosity: 0.5~5000 cSt Power Consumption: ±3 mA Switching Point: 12 mm from tip Accuracy: ±0.1% Repeatability: ±0.5 mm Wetted Parts: 316 SS Maximum Temperature: 80°C (176°F), [LTUM Series: 120°C (248°F)] Max Pressure: 50 bar (725 psi) Dimensions: DIN 43650 Plug: 27 Dia x 80 mm H (1.0625 x 3.125") available on LTUM models only Nylon Head: 88 W x 80 mm H (3.5 x 3.125")* Aluminum Head: 89 Dia x 126 mm H (3.5 x 5")* *available on LTUP and LTUR models only Insertion Length, "D" Dimension: 80 mm (3.15") standard; measure from bottom of hex to tip of fork