Sensors
52Pages

Table of Contents SENSORS . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Passive Sensor Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . .Magnetic Sensor Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 . . . .Calculation of Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . 7 . . . .Passive Speed Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 . . . .Listed Passive Speed Sensors UL/CSA/ATEX/IEC/EX . . . . . 18 .\ .Side Look Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 .Hall Effect Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 .RH & DH Series Active Sensor Selection Guide . . . .RH Series, Zero Velocity / Magnetic . . . . . . . . . . . . . . . . . . . 26 . . . .DH Series, Zero Velocity / Magnetic . . . . . . . . . . . . . . . . . . . 32 . . . .BH Series, Bi-Directional, Dual Channel . . . . . . . . . . . . . . . . 37 . . . .BH Series Active Sensor Selection Guide . . . . . . . . . . . . . . . 38 AI-Tek Instruments, Cheshire, CT USA . . . .BH Series Continued . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 . . . .Digital Signal Distance Amplifier (DSDA) . . . . . . . . . . . . . . . . 42 . . . .Connectors and Cable Assemblies . . . . . . . . . . . . . . . . . . . . 44 . . . .Split Gears / Solid Gear .Tachometer Transducers . . . .Sensor Mounting Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . 50 . . . .Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 .Part Number Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 AI-TEK INSTRUMENTS IS AN AS9100/ ISO 9001 COMPANY 1

AI-Tek Instruments, Cheshire, CT USA

Speed Sensors Al-Tek Instruments manufactures hundreds of different designs of speed sensors. This catalog lists the standard units we developed, based on years of design experience and knowledge, to provide you readily available products to solve your sensor solution to your speed control or indication needs. Many of the hundreds of Al-Tek speed sensors we produce are designed for special applications which allows us to offer a highly versatile and flexible product line. Designed to meet severe industrial, automotive and aerospace environments, Al-Tek speed sensors, will provide reliable,...

Cable Wires Wires Cable Cable Wires Cable Wires Cable Wires Cable Connector Cable Cable Connector Connector Connector Connector Connector Connector Connector Connector Connector Connector Wires Wires Cable Cable Wires Wires Wires Connector Connector Wires Cable Wires Wires Wires Wires Cable Cable Cable Cable Cable Cable Cable Cable Cable Cable Cable Cable Cable Cable Cable Wires Agency Temp Rating Approval (deg C) X X X X X X X X X X X X X AI-Tek Instruments, Cheshire, CT USA Passive Sensor Selection Guide

Wires Wires Wires Wires Wires Wires Wires Wires Wires Cable Cable Wires Wires Wires Wires Wires Wires Wires AI-Tek Instruments, Cheshire, CT USA

Magnetic Sensor Selection The following information is supplied for assistance in selecting the proper sensors for your particular applications. One of the fundamental questions to be answered is, “Will there be enough sensor output voltage at the lowest operating speed?” The sensor output voltage depends on: • Surface Speed - speed target passes pole piece • Gap - distance between target and pole piece • Target Size - geometric relationship of pole piece and target • Load Impedance - connected to sensor The surface speed of a gear depends upon its diameter and RPM. Surface speed is...

Calculation of Output Voltage AI-Tek Instruments, Cheshire, CT USA Selection of the proper Al-Tek magnetic sensor may require the calculation of sensor output voltage to assure proper operation in your specific application. To assist in this area, let us consider the following typical application: Requirement is speed display with overspeed and underspeed control as well as 4-20 mA signal to a PLC. Speed range is 0-3600 RPM with low speed set point at 300 RPM, available shaft diameter for mounting a gear is 2.000 in. and a .030 in. air gap is ideal. You have selected a Tachtrol 30, P/N...

Passive Speed Sensors General Purpose Ordering Part # (Select cable from group "A", see index) Performance Curves MATES WITH Output Voltage (Standard): 40 V (P-P) Output Voltage (Guarantee Point): 3.4 V (P-P) Output Polarity: Pin 'B' positive High Sensitivity Ordering Part # (Select cable from group "A", see index) Performance Curves MATES WITH Output Voltage (Standard): 150 V (P-P) Output Voltage (Guarantee Point):12.9 V (P-P) Output Polarity: Pin 'B' positive

Passive Speed Sensors Power Output Ordering Part # Thread Length (A) (Select cable from group "A", see index) Performance Curves Output Voltage (Standard): 75 V (P-P) Output Voltage (Guarantee Point): 21.5 V (P-P) Output Polarity: Pin "B" positive Conduit Fitting - General Purpose Ordering Part # Performance Curves Surface Spsaa (InrSw) Output Voltage (Standard): 43 V (P-P) 'Output Voltage (Guarantee Point): 4.3 V (P-P) Output Polarity: Red lead positive

Passive Speed Sensors Full Thread - Power Output Ordering Part # POLE PIECE Performance Curves Surlaw Spued < irSi.-^; Output Voltage (Standard): 120 V (P-P) Output Voltage (Guarantee Point):15.1 V (P-P) Output Polarity: White lead positive Full Thread - General Purpose Ordering Part # Performance Curves ■ Output Voltage (Standard): 40 V (P-P) • Output Voltage (Guarantee Point): 3.4 V (P-P) Output Polarity: white lead positive

Passive Speed Sensors Full Thread - High Sensitivity Ordering Part # Performance Curves Output Voltage (Standard): 150 V (P-P) Output Voltage (Guarantee Point): 12.8 V (P-P) Output Polarity: White lead positive Molded - High Sensitivity Ordering Part # Thread Length (A) (Select cable from group "A", see index) Performance Curves HATES WITH Output Voltage (Standard): 190 V (P-P) Output Voltage (Guarantee Point): 13.9 V (P-P) Output Polarity: Pin 'B' positive