Catalog excerpts
DISPLACEMENT ACW Submersible LVDT Displacement Transducer ● ● ● ● ● High accuracy High cycle life Stainless steel Submersible Infinite resolution These transducers are for displacement / position measurement. They make an accurate position measurement of the movement of the armature (the sliding part) relative to the body of the displacement transducer. This transducer uses the Linear Variable Differential Transformer (LVDT) principle which means that it is probably the most robust and reliable position sensor type available. The strength of the LVDT sensor's principle is that there is no electrical contact across the transducer position sensing element which for the user of the sensor means clean data, infinite resolution and a very long life. Our submersible displacement transducers are designed to make measurements whilst submerged in suitable liquids. Fluids which are non-magnetic can be allowed to flood the armature tube without affecting the operation of the transducer. This series of displacement transducer is available as either an unguided, captive or spring return version. Unguided version. On our unguided LVDTs the armature assembly is a separate component, to make a measurement the user must guide the armature inside the body without touching the sides. Unguided position measurement transducers are appropriate where external guidance is available and give truly non-contact operation Shown with standard cable assembly, see below for options Total weight
Open the catalog to page 1Captive guided version. Our captive guided displacement transducer has bearings to guide the armature inside the measurement sensor. Captive LVDTs are for position measurement applications where guidance may be poor and end bearings may be required. Shown with standard cable assembly, see below for options Total weight Spring return version. Our spring displacement transducer has bearings to guide the armature inside the measurement sensor and a spring which pushes the armature to the fully out position. Spring return LVDTs are appropriate where it is not possible to connect the transducer...
Open the catalog to page 2*Transducer and cable option specifications should be compared and the worst figures used Electrical termination options Standard cable - End exit connector with cable fitted Cable length = Operating temperature range* = Maximum static pressure* = Operating temperature range* = Cable length = Operating temperature range* = Maximum static pressure* = Operating temperature range* = Cable length = Maximum static pressure* = Cable length = Operating temperature range* = Maximum static pressure* = Cable length Operating temperature range* Maximum static pressure* TR 2.4'' Option code 1 - End...
Open the catalog to page 3Standard cable 8 - Side exit fully sleeved integral cable 1.0'' Cable length Operating temperature range* Maximum static pressure* TR Cable length Operating temperature range* Maximum static pressure* TR Cable length Cable sleeve length Operating temperature range* Maximum static pressure* TR Cable length Cable sleeve length Operating temperature range* Maximum static pressure* TR TC Standard cable 9 - Side exit connector with customer defined cable length fitted 1.0'' Standard cable 10 - Side exit part-sleeved integral cable 1.0'' Standard cable 11 - Side exit part-sleeved integral cable...
Open the catalog to page 4Specification *Transducer and cable option specifications should be compared and the worst figures used Excitation/supply (acceptable) 0.5V to 7V rms, 2kHz to 10kHz (sinusoidal) Excitation/supply (calibrated) 5V rms, 5kHz (sinusoidal) Output load 100k Ohms Temperature coefficient (zero) ±0.006% F.S. /°F (typical) Temperature coefficient (span) ±0.006% F.S. /°F (typical) Operating temperature range (minimum) -40°F* Operating temperature range (maximum) 257°F* Maximum static pressure 3000psi* All dimensions and specifications are nominal. Due to our policy of on-going development,...
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