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Spring Pack Measurement Device

Spring pack displacement measurement is essential for the proper setting of an MOV torque switch.

Spring pack relaxation can result in excessive spring pack displacement. If the displacement becomes excessive, the spring pack can bottom out and cause an undesirable locked rotor condition.

Using TTS’ Spring Pack Measurement Device (SPMD) as part of an MOV diagnostic testing program assures that the spring pack is operating in its allowable range.

Features:

Compatible with Crane Viper data acquisition systems
Fits spring packs from SMB-000 through SMB-5
Magnetically attaches to operator
Easily installed interchangeable extension screws
NIST traceable calibration

Specifications
Size:	2” x 3 3/4” x 3 1/2”
Weight:	20 ounces
Accuracy:	2.0% FSO
Range:	1 inch

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