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Crane Electronics Ltd
CheckStar Multi and RFm In-line Rotary Torque Transducer

CheckStar Multi and RFm In-line Rotary Torque Transducer

Product catalog summary

Overview: The document provides a detailed description of the CheckStar Multi and RFm, which are advanced tools for torque and angle measurement developed by Crane Electronics Ltd. These tools are designed to enhance the accuracy and reliability of torque management in various industrial applications.

CheckStar Multi Features:

Rotary Torque Transducer with optional angle measurement, offering 0.125° resolution.
Patented design prevents 'brush bounce' ensuring reliable torque readings.
Low inertia design for accurate measurement of high-speed transients.
Automatic recognition by Crane Data Collectors, eliminating setup errors.
Compatible with most industry-standard data collectors and readouts.
Visual feedback through an integrated light ring when used with Crane devices.

RFm Features:

Enables wireless operation of the CheckStar Multi when used with an IQVu.
Real-time torque and angle data conversion to digital values.
Stores up to 200 readings offline if the connection is lost.
Bi-directional torque and angle measurement with peak and click capture modes.
Rechargeable Lithium-Ion battery with a 6-hour life under normal usage.
Communicates with IQVu using 2.400GHz RF with a range of approximately 10m.

Technical Specifications:

Static accuracy of ±0.25% FSD and zero stability of < ±0.1% FSD/°C.
Calibration traceable to national and international standards, with various calibration options available.
Durability tested to over 100 million revolutions without performance degradation.
Operating environment: 5 to 40°C, with reduced specifications from -10 to 60°C.
Ingress protection rating of IP40.

Product Options:

Available in various shaft sizes and rating options, from 1/4” to 1 ½” with torque capacities ranging from 2Nm to 5000Nm.
Hex and square drive options available, with specific configurations for each.

Contact Information: Crane Electronics Ltd is based in Hinckley, UK, and Milan, Illinois, USA. Contact details and further information can be found on their website.

Catalog excerpts

CheckStar Multi and RFm In-line Rotary Torque Transducer-1

Crane Electronics Ltd The force in torque management CheckStar Multi and RFm In-line Rotary Torque Transducer

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CheckStar Multi and RFm In-line Rotary Torque Transducer-2

Crane Electronics Ltd The force in torque management The CheckStar Multi is the latest generation of Crane Electronics’ market leading CheckStar in-line Rotary Torque Transducer. It raises the standard for dynamic Torque and Angle measurement of all Continuous Drive and Impulse Tools, with proven reliable performance in thousands of applications worldwide. If Angle is specified, the CheckStar Multi Rotary Torque Transducer will include an Angle encoder giving 0.125°resolution (720 PPR). It also incorporates a light ring, giving the user visual feedback of the status of a tightening when used...

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CheckStar Multi and RFm In-line Rotary Torque Transducer-3

Crane Electronics Ltd The force in torque management Connecting to the CheckStar Multi The RFm connects to the CheckStar Multi via a military connector. The outer shell of the RFm military connector is rotated clockwise to fasten and rotated anti-clockwise to unfasten (when viewed from the RFm towards the CheckStar Multi). The outer shell of the military connector has ribs to help grip during rotation. The action is a bayonet type so during use the connection will not come undone. Main Features and Dimensions of the RFm Weight 142g

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CheckStar Multi and RFm In-line Rotary Torque Transducer-4

Crane Electronics Ltd The force in torque management RFm The RFm allows the CheckStar Multi to become wireless when used in conjunction with an IQVu. Previously a CheckStar Multi would connect via a cable to an IQVu or a TorqueStar Opta. This addition to the IQVu family allows the CheckStar Multi to be situated in areas where long lengths of cable would be a hazard, or impractical. The RFm reads the Torque and Angle values in real time and converts them to digital values. The RFm analyses the digital samples using measurement algorithms to calculate properties of the fastening such as Peak or...

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CheckStar Multi and RFm In-line Rotary Torque Transducer-5

Crane Electronics Ltd The force in torque management CheckStar Multi - Technical Specification

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CheckStar Multi and RFm In-line Rotary Torque Transducer-6

Crane Electronics Ltd The force in torque management

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CheckStar Multi and RFm In-line Rotary Torque Transducer-7

Crane Electronics Ltd The force in torque management Product Code Creator Shaft Size

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CheckStar Multi and RFm In-line Rotary Torque Transducer-8

Crane Electronics Ltd The force in torque management Crane Electronics Inc 1260 11th Street West Milan, Illinois 61264 USA Tel: +1 309-787-1263 www.crane-electronics.com

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