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Reluctance (VR) Speed Sensors with Complementary Outputs Diagram

Non-contact magnetic sensors that measure the collapse of magnetic field due to the interruption by a ferrous gear tooth. These sensors provide two analog signal outputs (sine wave) that does not require an outside power source. This sensor is suitable for speed sensing with a range from 30 to 1000 inches per second with a target gear from one tooth per revolution to 32 pitch gear.

Product Specification Range

A. Electrical Performance

Resistance (R):

40 To 2000 Ohms.

Target:

Ferrous material, single tooth or slot To 32 DP

Airgap:

0.005” To 0.150” (0.126mm to 3.807mm)

Speed Range:

30 to 1000 Inch/Sec.

Output Signal:

Two identical sine wave.

Output Range (Vpp):

100 To 200 Vpp.

Operating Temperature:

32°F to + 158°F (0°C to +70°C)

Optional:

-4°F to + 257°F (-20°C to +125°C)

B. Industry / Application

Automotive

Engine Speed Measurement
Dynamometer
Crankshaft
Gear box Speed Sensor

Aerospace

Exercise Equipments

Motor Speed Measurement

Tachometer

Locomotive

Power Generator

Motor Speed Measurement, Turbine Flow Measurement

Tachometer

Off-Highway

C. Features and Benefits

• Non Contact
• Self Powered
• Wide Speed Range
• Simple Installation