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The short-stroke Models DS200B and DS500 each have a threaded mounting shank and locking nut to allow secure, precise positioning in a simple mounting fixture.  For a long-stroke "locking nut" LVDT, see the Model DS2000.

The coil is epoxy-encapsulated and magnetically shielded, and the spring-loaded probe terminates in a hardened steel tip, rounded and polished, which is readily replaceable (see the optional Model 106 Contact Tip, below).  An optional rubber boot is also available, for protection of the probe shaft from fluids and abrasive materials.  (See also the Model 115C Calibration Kit, which may be used with the short-stroke "locking nut" LVDT's).

Combining optimal electrical properties with rugged stainless-steel construction, these instruments can tolerate years of hard industrial use with no appreciable loss of precision.  Typical applications include in-process gaging control, creep test recording, structural deflection measurement, actuator and tool position feedback, dilatometry, strip thickness measurement, and much more.

Full Specifications are given below. 

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Short-Stroke "Locking Nut" Specifications  [Top ] (See also the statement on LVDT specifications)
Linear Range	Model DS200B: ±0.10 in. (±2.5 mm) Model DS500: ±0.250 in. (±6.35 mm)
Excitation	Model DS200B: 1 to 5 VAC (RMS) at 2 to 10 kHz Model DS500: 2 to 10 VAC (RMS) at 0.06 to 10 kHz*
Armature	SPRING-EXTENDED
Linearity**	Model DS200B: ±0.2% of full scale Model DS500: ±0.25% of full scale
Sensitivity	Model DS200B: 1.8 mV/V/0.001", nominal Model DS500: 1.0 mV/V/0.001", nominal
Operating Temperature Range	Model DS200B: -20° C to +125° C (-4° F to +257° F) Model DS500: -40° C to +100° C (-40° F to +212° F)
* With excitation below 0.4 kHz, primary voltage should not exceed 3 V. ** Minimum characteristics at 5 kHz excitation for DS200B; at 3 kHz for DS500.