IEC 62056-21 optical probe

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Optical probe for the reading of counters IEC 62056-21 protocol (previously IEC 1107) - For M-Bus, DLMS.

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Optical probe for the reading of energy counters equipped with an optical port compliant with IEC 62056-21 specifications (former IEC 1107).

The optical probes allow you to access the data present in the energy, gas and water meters that integrate an optical port.
The present data can be read through M-Bus (Meterbus) or DLMS protocol.
Available ANDROID application downloadable from PLAY STORE GOOGLE usable with the probes. The application name is ZROBO.


The optical probes are ideal for the use with all types of counters. An economical solution for the local reading of meters. The optical probe has two LEDs on the backside that show the operating conditions of the communication. Very easy to use and monitor the status of the communication.

Mechanical Specifications
  • Diameter: 32mm, Height: 28.5 mm, the magnetic force: N36
  • Body material: ABS
  • Transparent material: Polycarbonate, Weight: 125gr
Electrical Specifications
  • Standards: IEC 62056-21 (ex IEC 1107)
  • Cable length: according to the model
  • Communication speed: max 19200 baud
  • Operating voltage: 3,3V (Passive, powered by DTR,RTS or USB)
  • Electrical Interface: USB2.0 / RS232, Wavelength: 900nm


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