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  3. Rotary encoders / angle sensors
  4. HeavyDuty tacho generators / resolvers
Product portfolio
Design 85 mm – with bearings / solid shaft & compact

Design 85 mm – with bearings / solid shaft & compact

TDP0,09 / TDPZ0,09

  • Solid shaft ø6 mm with EURO flange B10
  • Housing ø85 mm
  • Redundant output
  • Output voltage 10 ... 60 mV per rpm
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Design 115 mm – with bearings / solid shaft & short mounting depth

Design 115 mm – with bearings / solid shaft & short mounting depth

GTF7

  • Solid shaft ø11 mm with EURO flange B10
  • Output voltage 10 ... 60 mV per rpm
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Design 115 mm – with bearings / solid shaft & robust construction

Design 115 mm – with bearings / solid shaft & robust construction

TDP0,2 / TDPZ0,2

  • Solid shaft ø7 ... 14 mm with EURO flange B10
  • Output voltage up to 150 mV per rpm
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Design 120 ... 175 mm – with bearings / redundant output

Design 120 ... 175 mm – with bearings / redundant output

TDP13

  • Solid shaft ø14 ... 18 mm with flange B10
  • Redundant signal output
  • Output voltage up to 200 mV per rpm
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Design 52 mm – bearingless kit

Design 52 mm – bearingless kit

GT5

  • Protection IP 20
  • Bearingless design
  • Output voltage up to 10 mV per rpm
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Design 85 mm – bearingless kit

Design 85 mm – bearingless kit

GT7.08 / GT7.16

  • Protection IP 55
  • Bearingless design
  • Output voltage up to 60 mV per rpm
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Design 89 mm – bearingless kit

Design 89 mm – bearingless kit

GT9

  • Protection IP 20
  • Bearingless design
  • Output voltage up to 20 mV per rpm
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Design 95 mm – bearingless kit with high protection

Design 95 mm – bearingless kit with high protection

GTB9.06 / GTB 9.16

  • Protection IP 68
  • Bearingless design
  • Output voltage up to 20 mV / 60 mV per rpm
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For Ex areas

EExGP0,2 / TG74d

  • Solid shaft ø11 mm with EURO flange B10
  • Design 126 mm
  • ATEX II 2 G
  • Output voltage up to 150 mV per rpm
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In industrial NEMA 12 housing

In industrial NEMA 12 housing

APY / FAPY

  • For direct replacement of "PY" or "BC" style tachometers
  • Flange or foot mount
  • Output voltage 50 or 100 VDC per 1000 rpm
  • CSA / C / US approved
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Your benefits

HÜBNER Berlin, now Baumer Hübner, has stood for robust tacho generators for almost 70 years and still supplies a wide variety of models to machine manufacturers and spare parts in OEM quality. Even though analog tacho generators have long since been replaced by digital rotary encoders in modern control concepts, LongLife tacho generators still today stand out as an alternative due to their following properties:

  • Special signal quality and service life
    • LongLife commutator thanks to silver track with constantly low contact resistance for high signal quality
    • Specially adapted brushes for maintenance-free operation and long service life
    • Wide adjustable speed range
  • Cost effective
    • Signal transmission with two-core cable, requiring no electrical auxiliary energy and power supply
    • Cost-effective complete package of tacho generators, cable and evaluation electronics
  • Reliable and safe
    • Real-time detection of speed and direction of rotation thanks to analog signal technology
    • Highest availability and unmatched service life under the toughest ambient conditions
    • Proven HeavyDuty principle, bearing at both shaft ends, HeavyDuty connection technology
  • Reliability in any environment
    • Extremely resistant housing with large wall thickness, outstanding corrosion protection, lasting impermeability concept
    • Wide temperature range from –30 °C … +130 °C 
    • Reliable protection against bearing damage
    • Shaft with bearings at both ends, generously dimensioned bearings with large bearing spacing, bearing load reserve capacity for large radial / axial shaft loads
  • Flexible and future-proof
    • Combinations with common shaft are possible:  tacho + rotary encoder, tacho + speed switch
    • Matching spare parts in OEM quality, even for obsolete models, other makes and special designs
       
Applications

Analog tachometers (tacho dynamos, DC tacho generators), usually called “tachos” for short, are devices with an output voltage proportional to the speed. They generate the output voltage by means of a generator, therefore do not require any electrical auxiliary energy and combine high signal dynamics and robustness.

In drive technology, tachos are used to record the actual speed value, for example in the following areas

  • Elevators
  • Escalators
  • Cable cars
  • Rolling mills
  • Presses
  • Crane and lifting systems
Technology
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LongLife tachos with the silver track

  • HeavyDuty tachogenerators in LongLife technology are based on a silver track embedded in the commutator.
  • LongLife tachogenerators combine the best signal quality for high control dynamics, maximum robustness and unrivaled long service life.
  • The LongLife technology also supports to detect low speeds precisely in real time.
Long-term stable sealing concept

Long-term stable sealing concept

  • The elaborate Baumer HeavyDuty sealing concept allows the protection class IP 66 and IP 67 over a wide temperature range up to +95 °C.
  • Thanks to a sophisticated combination of labyrinth and shaft seals, the HeavyDuty encoders are permanently protected against all types of solid, moist and pasty contamination.
Durable double-sided bearing setup

Durable double-sided bearing setup

  • Thanks to unmatched resistance to axial and radial load, the Baumer concept  of bearings at both shaft ends is well proven and tried and tested for decades in electrical machinery engineering. 
  • Baumer HeavyDuty encoders feature - wherever mechanically feasible - bearings at both encoder shaft ends for unrivalled long service life and maximum mechanical reserve capacity.
Proven HeavyDuty principle

Proven HeavyDuty principle

  • The extremely resilient housings are key for the unrivalled service life and reliability of the Baumer HeavyDuty encoders.
  • These robust housings with solid and thick walls are the perfect protection against outside impacts.
  • The torsion-resistant design is intended to endure high loads by shock and vibration.
Outstanding, sea water resistant corrosion protection

Outstanding, sea water resistant corrosion protection

  • Baumer HeavyDuty rotary encoders are ideally suited for corrosive environments thanks to optimized material selection and highly resistant coatings for successful long-term use, for example near shore and offshore.
  • Their corrosion protection corresponds to categories C4 or CX (C5-M) in accordance with the standard EN ISO 12944.
  • Special equipment options for operation in the arctic, tropics and desert are available on request.
EURO flange B10

EURO flange B10

  • The EURO flange B10 is the global mounting standard for HeavyDuty shaft encoders.
  • Baumer offers a unique portfolio of encoders and tacho generators with  EURO flange B10.
Hübner Berlin – the original from Baumer

Hübner Berlin – the original from Baumer

  • Hübner Berlin, now Baumer Hübner, is the Baumer competence center for HeavyDuty sensors for drive technology.
  • The brand Hübner Berlin represents the global standards for reliable encoders, tacho generators and speed switchtes in proven HeavyDuty technology.
  • More than  60 years of expertise and experience as global market leader merge with cutting-edge technologies in unmatched robust and durable products.
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Brochures / Catalogs

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