NEMA C-Face Magnetic Ring Encoders Model HPRT is a rugged, high resolution, high temperature, speed and position monitoring device that provides drive feedback for process control. Typical uses include vector drives in closed loop systems. Mounting the Magnetic Ring Encoder to the motor shaft is fast and simple. The hard anodized finish and stainless steel components provide protection in water washdown and other harsh environments. Model HPRT is priced at $ Hundreds less and is an ideal replacement for Dynapar Rotopulsar® models R56 and R85 and Lake Shore Slim Tach® models SL56, SL85, and RL67. Standard features include: digital square-wave quadrature-signal (064, 256, 512, or 1024 PPR), differential line driver output, index marker, and terminal block, cable with gland nut, 7 or 10-pin MS, or industrial 10-pin connection Catalog Data Sheet (PDF/1.8Mb) . . .             Monitoring System for Conveyor Process Control The Madison Electric Monitoring System is an ideal set-up for cut-off operations. Just enter the appropriate length on our Model ADT-840 programmable Totalizing Counter. Two control outputs can be assigned to the totalizer that can automatically recycle at the batch or stay latched until reset. When coupled with our Quadrature Cube Encoder, the unit can either add or subtract two inputs or display two inputs as separate totalizers. The system includes a Unidirectional or Quadrature Cube Encoder, a Digital Rate Meter or Counter, a Circumference Wheel, and a Pivot Bracket. Catalog Data Sheet (PDF/268k)  . . .

Optical Encoders Encoders provide an accurate means of digitizing position, rate, or direction of rotation. Cube, Thru Bore, and Industrial Shaft Optical Encoders convert input shaft rotation to square wave output pulses. Options include unidirectional or quadrature models with up to 30,000 pulses per revolution. Standard mounting styles available are flex, servo, or flange. Standard thru bore encoders are available that fit shaft sizes from 0.250" to 1.875" diameter. Metric shaft sizes available range from 4mm to 14mm. Catalog Data Sheet (PDF): AE1 (412k), AE2 (222k), AE3 (133k), AE4 (364k), AE5 (703k), AE6 (1.5Mb), and QD (542k)

Analog Meters Indicator Systems are available with a variety of meter styles and other options to accommodate almost any customer application. Each style of indicator is accurate, attractive, and easy to read. A wide selection of standard scale ranges is available. Custom scales and logo imprints can be provided at additional cost. Each meter is built with solid state circuitry and is calibrated to fit your specific need. Catalog Data Sheet (PDF/878k)  . . .

Digital Meters ADT-800 Series Digital Frequency Panel Meters are 6 digit totalizers or 5 digit ratemeters with a floating decimal scale factor allowing total readout in true engineering units and rate per second, minute or hour. Available in fully programmable or non-programmable models, features include: separate scaling factors for A & B inputs, 10,000 Hz max pulse input, display rate and total, security lockout, NEMA 4X/IP65 front panel, quadrature inputs, and 4-20mA or 0-20mA analog output option.. Catalog Data Sheet (PDF/497k)  . . .

Hand Held Tachometers The best of both worlds! Madison Electric’s Model AHT-3 is a combination hand held tachometer. The operator has the option of using a non-contact light emitting detector on one end or a contact shaft on the opposite end to measure RPM or surface speed (FPM or MPM). Model AHT-3 allows quality control and maintenance individuals to verify that their process line and motors are running smoothly and correctly. The quartz crystal time base provides the accuracy of a stand-alone unit without requiring frequent calibrations. Catalog Data Sheet (PDF/200k)  . . .

Liquid Level Switches Vertical Liquid Level Switches that can be mounted from the top or bottom of a tank are readily available and stocked in both miniature and full-size versions. Madison also provides a line of Side-Mounted Switches in which the switch is inserted through the wall of the tank or vessel. Choose from 316SS (high temp; corrosive conditions), Polypropylene (acidic conditions), Brass and Buna-N (lubricating oils, gasoline and diesel fuel), Kynar (chemical & solvent resistant), and PBT with Buna-N floats (low cost alternative to Brass & Buna-N). Catalog Data Sheet (PDF/379k)  . . .

AC Tach Generators AC Generators provide a voltage output proportional to input speed and are a simple and reliable means of generating AC Voltage. Maintenance free with solid state circuitry, no outside power source is required. Many mounting configurations are available. Standard size is 3" round. Maximum output voltage is 90VAC @ 1000 RPM. Speed range from 50 to 8000 RPM. Catalog Data Sheet (PDF/157k)  . . .

DC Tachometer Generators Rugged, inexpensive means of generating a DC voltage for sensing rotational speed and direction. Output voltage is directly proportional to input speed. A variety of mounting possibilities and a compact design make this DC Tach Generator a good choice for a wide range of applications. Options include a heavy-duty coupling and encapsulation to resist moderate amounts of dust, dirt or other hazards. Rated 7.65VDC @ 1000 RPM. Speed range from 50 to 2500 RPM. Catalog Data Sheet (PDF/239k)  . . .

NEMA C-Face and Metric IEC Ring Tachometers Monitor motor speed with encoder quality and performance at a fraction of the price. The Madison Electric Ring Tachometer is a convenient method of mounting a magnetic pickup on a NEMA C-Face or IEC Metric Motor. Designed to fit between a motor and gearbox, clutch, brake, etc. without the need for an auxiliary shaft. Built tough to last in harsh industrial environments. The Madison Electric Ring Tachometer withstands shock, dirt and vibrations that stop most optical encoders. Unidirectional or quadrature models are available in NEMA and Metric sizes. Standard gear sizes include 10, 30, 60, 120, 200 & 240 PPR. Custom sizes available. Catalog Data Sheet (PDF/750k)  . . .

Magnetic Speed Sensors Madison Electric manufactures a complete line of active and passive magnetic speed sensors. Choose from a wide selection of maintenance free, stainless steel threaded and non-threaded sizes. Madison Electric magnetic speed sensors work well in oily, dusty environments. The Hall effect zero speed sensors are orientation insensitive, provide short circuit protection, and true zero speed sensing. Analog speed sensors are passive sensors and do not require any external power source. Let Madison Electric create a custom speed sensor designed for your specific requirement. Catalog Data Sheet PDF): Analog (866k), Hall Effect (1.4Mb)

Zero Line Speed Switches Designed to detect zero speed or any speed up to 2300 RPM and then either make or break a circuit when the pre-set limit is reached. The circuit can then be connected to sound an alarm, light a warning light, activate accessory machinery or completely shut down the processing equipment. The speed set point can be factory pre-set or easily field adjusted using a flat blade screwdriver and a tachometer. A Madison Electric Zero Line Speed Switch is the ideal solution for many OEM processing problems including under-speed, over-speed or zero-speed detection. Catalog Data Sheet (PDF/141k)  . . .

F/V Converter The frequency to voltage module from Madison Electric allows you to convert a DC pulse train or AC frequency signal into a linearly proportional 0-10 DC Voltage. The F/V module accepts signals from Madison Electric encoders, magnetic pick ups, ring tachometers or a variety of frequency output devices. The F/V module interfaces with most programmable controllers or microprocessors. Applications include analog indication, speed sensing or any closed or open loop control system that requires a DC voltage relative to frequency. Catalog Data Sheet (PDF/72k) . . .

Power Pak Power Pak is a regulated DC power supply for use with all DC powered Madison tachometric devices, or any device requiring moderate DC power. The Madison Electric Power Pak may also be substituted for unregulated power supplies to improve their overall performance and provide protection against line noise. Catalog Data Sheet (PDF/358k)  . . .

You can download the entire catalog from the following link:
• Entire Catalog (zip 19Mb)