Electro-Sensors, Inc.
Electro-Sensors, Inc., designs and manufactures the most reliable machine monitoring sensors and wireless/wired hazard monitoring systems in the industry.
- 1-800-328-6170
952-930-0100 - Sales@electro-sensors.com
- 6111 Blue Circle Drive
Minnetonka, MN 55343
United States of America
Categories
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Tachometers
HH100
The HH100 Hand-Held Digital Tachometer combines both contact and non-contact sensing to accurately measure RPM, surface speed, and length. When using the non-contact mode, rotational speed (RPM) is measured using a visible beam of light. The HH100 can be up to 14 inches away from the small piece of reflective tape that is affixed to the rotating element.
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Hall Effect Sensor
907 XP (Explosion Proof)
Features • NPN open collector, square-wave output • Zero speed operation with no signal loss • Non-contact, large gap distance sensing • Signal transmits up to 1,500 ft • Simple to install and set up • Powered by 5-24 VDC • Class I, Div I (D) Class II, Div I (E, F, G) Class III • XLB-3 enclosure • Bi-directional option (907B XP)
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Shaft Speed Sensors
Electro-Sensors offers many shaft speed sensors for virtually any environment. Our Hall-Effect and Magnetoresistive Sensors sense magnetic targets and work with our magnetic pulsers (Discs, Wraps, and Wheels). Our proximity sensors sense ferrous metal targets, including bolt-heads, screws, gearteeth and keyslots. Our speed sensors monitor shaft speed of equipment and output data as PNP, NPN, or 4-20 mA signals. The sensor data can be used by facilities to monitor machinery and safeguard equipment. Monitoring shaft speed is a fundamental aspect of hazard monitoring and should be utilized by any facility with rotating shafts.
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Shaft Speed Pulse Generators and Shaft Speed Targets
Shaft Speed Targets are needed to generate a pulse for a Speed Sensor that is monitoring a shaft for RPM (Revolution Per Minute). Electro-Sensors Pulse Generators provide the shaft speed target needed for shaft speed detection with a sensor or switch. We have many options available for all your application needs including customizable split collar pulser wraps.
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Pulse Generator
Traction Wheel Assembly
The complete and ready-to-install system converts linear travel/speeds to square-wave pulses/frequencies. • Square-wave frequency output, NPN open-collector • 5-28 VDC powered • 1 to 1,270 pulses per revolution (PPR - specify when ordering) • Optional bi-directional (quadrature) output models • 3 models: black neoprene rubber, smooth polyurethane, and diamond knurled aluminum tread
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Speed Sensors Dust Ignition-Proof
ST420-LT / ST420-DI
Features • 2-wire, loop-powered 4-20 mA analog output • No user calibration – works right out of the box • Standard and custom measurement ranges available • Reverse-wiring protected Rugged stainless steel M18x1 housing with integral conduit attachment; FM approved, dust ignition-proof. Class II, Div I (E, F, G); NEMA 4X, IP65
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Magnet Wheels Pulse Generators
199SM / 198EM Magnet Wheels
Magnet wheels work with Electro-Sensors Hall Effect shaft speed sensors providing 120 alternating magnetic poles around the circumference of the 3.75" diameter. The 199SM models mount around shafts up to 3" in diameter and are secured with set screws (provided). The 198EM mounts on the end of a shaft with a 10-32 UNF screw (provided - requires center drilling and tapping the shaft).• Use with 906, 906B, 1101 and other Hall Effect, non-metallic-end-capped shaft speed sensors (consult factory)
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Slide Gate & Shaft Position
All six Shaft Angle Position Feedback Monitors in the SG1000 Series utilize absolute rotary encoders to provide independent and accurate feedback of a slide gate's or a valve's position to an external device such as a PLC or optional PM500 Process Meter Display Unit. Models are housed in a rugged, Explosion-Proof/Dust-Ignition Proof cast aluminum enclosure that is dirt, dust, grease-proof, and water resistant. In the case of a power failure, all SG1000s are designed to retain accurate gate position.
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Temperature Sensors
TT420
Features • 2-wire, loop-powered 4-20mA analog output • Attachment probe, sensor, and 2-wire 4-20 mA signal conditioner • Compatible with PLCs, meters, and data acquisition systems • No user calibration • TT420Z 1/4" stainless steel probe • TT420S 1/4-28 threaded stud – screws into any 1/4-28 tap • TT420F mounts onto any flat surface • UL listed, Intrinsically Safe (IS) • Class I, (C, D) and Class II, (E, F, G)
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Shaft Speed Switches
A speed switch senses rotating shaft speed, comparing it to one or more settable over/under/zero speed alarm trip-points. A shaft speed sensor detects magnets embedded in a shaft-mounted pulser wrap/disc. As the shaft rotates, the passing magnets are detected across an air-gap as pulses with frequency proportional to shaft RPM. When a conveyor belt or bucket elevator begins to slip the pulse frequency (shaft RPM) crosses to the alarm side of a trip-point threshold, a corresponding relay de-energizes, providing shutdown or alarm.
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Belt Alignment Sensors And Misalignment Switches
Electro-sensors belt alignment sensors are mounted along the conveyor belt that needs to be monitored for misalignment. The rub block assemblies are mounted so that the brass surface area is in-line with the edge of the conveyor belt. When the belt wanders it then rubs up against the brass block. The contact with the belt creates friction and heat that the sensor in the brass block records as a rise in temperature.
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Heavy Duty Vibration Monitor
VUM-800
Features • Heavy-duty sensing probe • DPDT 10 amp relay • Optional 230 VAC operation • Control unit remotely mounted • Failsafe operation
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Closed-Loop Motor Controller
MS320
Master and Ratio-Follower modes and programmable input functions. Options include analog speed feedback input, analog setpoint inputs and relay outputs. Works with incremental shaft encoders and pulsefrequency output shaft speed sensors. Optional explosion proof enclosure or NEMA 4X enclosure kit.
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Potentiometers
Accu-tach / Accu-dial
Programmable potentiometers with LCD display and feedback display in user units.• Replaces traditional potentiometers• Precise process control and feedback• Reduces costly downtime and product waste• Easy to install and calibrate• Tough ABS plastic enclosure - NEMA 4 rated• Small footprint - only 1.95" x 3.10"
