THN Transducer
Dover Flexo Electronics, Inc.
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Dover Flexo Electronics, Inc.
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Product Profile
The THN (thin) transducer is a sophisticated electromechanically device that measures tension in any kind of continuous web. Suitable for use with either a no rotating (dead) shaft or a rotating (live) shaft, a THN transducer is mounted to each shaft end of an idler roll. Internally, semiconductor strain gages on a robust dual cantilever beam sense the force created by web tension.The design of the THN allows for wider roll faces than any other transducers and the narrow width of the THN (2.4 inches) allows it to be installed where other transducers simply won't fit. A single bolt (stud) attaches the THN to the machine frame and allows it to be oriented in any direction without requiring multiple bolthole patterns in the mounting surface. A removable clamp on the idler roll shaft coupling allows the roll to be removed without disturbing the transducers. It also permits installation and orientation of the THN transducers before the roll is installed, instead of installing all three as an assembly.
- Environmental Connector (EC) Seals with mating cable electrical connector to protect against contact oxidation; especially useful in corrosive environments.
- Extended Range Output (XR) Extra sensitive to low tensions. XR produces twice the output signal for a given load rating. This increases the signal to noise ratio. It is used in applications requiring a full scale tension force that is as low as 6% of the transducer load rating. 12% is standard. Extended range (XRE) is also required for the mating electronic unit.
- Full Bridge (FB) Four strain gages instead of two to form a full Whetstone Bridge connection.
- Metric Mounting Stud (MMS) Accepts metric mounting bolt.
- Vacuum Compensation (VAC) Special feature for fast and complete air evacuation. Typically used for transducers installed in vacuum metalizers.
Features
- Thin profile allows for easy mounting in limited horizontal space.
- Single-bolt mounting means transducer force orientation can be changed simply.
- Three mounting styles to choose from: Stud Mount, Flange Mount, and Pillow Block Mount.
- Idler roll can be removed without removing transducers.
- Rugged stainless steel and aluminum construction.
- Load ratings from 25 to 800 lbs (110 - 3560N; 11 - 364 Kg).
- Long-life semiconductor strain gages supply linear response in demanding environments.
- Dead Shaft and Live Shaft versions.
- 5 Year Tension-Free Warranty
