DYNAPAR NorthStar RIM Tach 1250 Instruction Manual - Page 5

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NorthStar RIM Tach

1250 Instruction Manual

1.1 General

These instructions do not claim to cover all details of variation in equipment or to provide for every possible contingency or

hazard to be met in connection with installation, operation, and service. Should further information be desired or should

particular problems arise which are not covered sufficiently for the purchaser's purposes, please contact Dynapar, or one of

its designated representatives.

1.2 Description

The RIM Tach

1250 is a high performance, reliable Digital Tachometer, designed to provide position and velocity feedback

from both AC and DC electric motors with pulse counts ranging from 60 through 2048 pulses per revolution. Designed for

NEMA 12.5 inch diameter type C-face motor frames, the RIM Tach 1250 utilizes rugged ductile iron casting construction,

and provides interchangeable sensor modules and a magneto-resistive technology capable of withstanding the harshest

industrial environments. This ensures a precise and consistent digital motor speed feedback.

The NorthStar RIM Tach

1250 is mounted directly to the motor frame and utilizes a patent pending, heavy-duty, one piece,

magneto-resistance sensor module with encapsulated surface mount electronics. The encapsulation provides resistance to

water, oil mist, dirt, high temperatures, and other harsh environments. The sensor module includes a 10-pin quick connector

requiring only a screwdriver for final electrical installation.

The non-contact magneto-resistive sensor and rugged

magnetized pulse wheel are designed and machined to function properly without any adjustments when assembled to Type

C-Face (12.5-inch diameter) motor frame and accessory mount. There are no bearings to fail or requirements for flexible

couplings since the magnetized pulse wheel assembly is attached directly to the shaft.

Figure 2: RIM Tach

1250 Specification Drawing

Dynapar (847) 662-2666

17 November 2008