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.

The data transfer between transmitter and receiver is digital and inductive. The powering for the TEL1-PCM BATT transmitter is supplied by 6-9 V battery.

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
  • External shunt calibration
  • Digital data transmission by inductive coupling
  • Distance up to 150 mm
  • Powering of transmitter part by battery (6-9V)
  • No influence by radio signals
  • Many systems can operate at the same time
  • Signal bandwidth 0...1200 Hz (-3dB)
  • Output 4-20 mA (option)
  • System accuracy < 0.2 %

Downloads for this product


User manual

Application samples

Additional views

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