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Tachometer- Generators

SCREW  MOUNTING DC Tachometer-Generator

 Model 750 , Type J2 Catalog No. 75-9906000
 Model 750 , Type J2R 
Cat. No.  75-9906002 Same as J2 except internal resistance is 200 ohms.
 Model 750 , Type M2
Cat. No. 750-9903001 Same as J2 except front bearing seal has been eliminated to reduce torque burden.  Rcommended for use with a low torque gear box.  Approximate torque: 1.0 oz-in starting, 1.0 oz in-running (1000 rpm). Approximate Weight 1.8 lbs (.82 kg.).
Dustproof aluminum alloy housing.  S.A.E. 7/8" screw type steel mounting with 3/16" solid drive dog. Used on Diesel and gas engines where a standard S.A.E.  screw type tachometer outlet is available.  Two binding posts for electrical connection.   Approximate torque: 3.0 oz-in starting, 4.0 oz in-running (1000 rpm). Approximate Weight 1.8 lbs (.82 kg.).

750typeJ2.jpg (149232 bytes)

Binding Post Cover Box 
Provides protection for the terminals, with a 1/2" NPT Connection for conduit.
Catalog No. 9933-0143157
Replacement Brush Kit: Metallic leaf brushes are of an alloy which will wear before the commutator
                                              bars. Brush replacement is a simple field operation 
Part No. 249302-901

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