1-channel telemetry for rotating shafts



Digital telemetry system for strain gage applications on rotating shafts - Gain and auto zero setting directly from the receiver side!

The TEL1-PCM single-channel telemetry system offers the easiest handling for the wireless transmission of strain gage signals from rotating shafts. The very small encoder (35 x 18 x 12 mm) has a weight of only 13 g. The transmitter (encoder) part is simply mounted on the rotating shaft with a special fiber reinforced tape.

Powering of the transmission part and the digital data transfer between transmitter and receiver is realized inductively.

Product specifications

  • Easy to assemble and operate
  • Strain gage sensors (>= 350 Ohm)
  • Full and half bridge configuration
  • Fixed excitation 4 Volt DC
  • Auto-Zero adjustment – setting on receiver side
  • Gain: 250 to 8000 – setting on receiver side
  • Overload indication
  • Inductive digital data transmission
  • Distance up to 25 mm (option: 35 mm)
  • No influence by radio signals
  • Many systems can operate at the same time
  • Signal bandwidth 0...1200 Hz (-3 dB)
  • Output +/-10 V and digital for interface (option)
  • System accuracy < 0.2 %

Additional views

  • TEL1-PCM receiver decoder
  • TEL1-PCM-set contains
  • TEL1-PCM-STG transmitting part
  • TEL1-PCM application
  • TEL1-PCM block-diagram
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