Non-Contact Speed Sensors with Pulse Output from 0 to 20 kHz

SPR101

Normally Open Industrial Proximity Sensors; 3-Wire Configuration
Rugged Construction for Dirty, Humid, Oily and Dusty Applications
Color-Coded Sensing Faces: Red-NPN and Green-PNP for Easy Identification

Description

The SPR101 sensor is ideal for RPM tachometer measurements. It is more than a simple Hall-effect switch. The SPR101 Series utilizes 2 hall effect sensors coupled with a permanent magnet in a bridge comparator circuit, which makes it capable of sensing from absolute 0 Hz to 20 kHz. The design also allows rotational direction detection if used with a non-symmetrical gear. The Hall-effect design permits only magnetic targets such as ferrous metals to be used as gears.

SPECIFICATIONS
Excitation: 8-30 Vdc @ 20 mA with <10% ripple
Output: Square wave, amp equal to exc. voltage (max. current 40 mA)
Switch Frequency: 0-20 kHz
Switch: Open collector, 3-wire, normally open, reverse polarity protected
Sensing Distance: 0.5 mm (0.02")
Target: Magnetic, ferrous metals
Operating Temperature: -25 to 75°C (-13 to 168°F)
Min. Gear Size: 1 module (m) European, 25 diametrical pitch Pd (m=d/N, Pd=N/d, d is pitch dia. and N is number of teeth)
Case Material: 12 mm nickel-plated brass rolled threads
Electrical Connection: 6 ft, 3-conductor, 22 AWG, PVC insulation, pigtail leads
Weight: 85 g (3 oz)
Case Material: 30 mm nickel-plated brass rolled threads
Electrical Connection: 3 screw terminals compression style 0.20-0.27" dia. wire
Weight: 225 g (9 oz)

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† All amounts shown in AUD
Note: Comes with complete operator’s manual.
*Requires external dc power supply such as PSS-D12A ($114)
(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)