R|Z568M Nixie Tube

The name of R|Z568M relates to one of the original nixie tubes made back in 60’s – a Z568M. The R in its name means resurrection. I wanted to pay tribute to old engineers from RFT company who chose this name and I decided to keep it, so together it makes “R|Z568M”.
Original Z568M was manufactured in East Germany by RFT, a tube making company. I personally find this tube most beautiful nixie tube ever. Vintage font, nice inner structure, eye-catching proportions, this was the reason why I took this tube as an inspiration for my first tube design – R|Z568M.

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R|Z568M Nixie tube
R|Z568M Nixie tube

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  • Height: 125mm
  • Weight: 110g
  • Symbol height: 50mm
  • Ignition voltage (max): 140V
  • Maintaining voltage (typical): 130V
  • Extinguishing voltage (typical): 120V
  • Minimum supply voltage: 170V
  • Minimum current: 5mA
  • Maximum current: 8mA
  • Storage temperature: from -20ºC to +60ºC
  • Operating temperature: from -10ºC to + 50ºC
  • Expected lifetime: over 20 years or 200.000 hours (running 24/7)

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All tubes purchased since 2017 come with a warranty period of 10 years.

The warranty cover:

  • defects in workmanship and material
  • defects in glow of digits
  • defects of gas mixture

The warranty doesn’t cover:

  • issues caused by usage of excessive current (over 8mA) – please refer to Technical data for current specifications.
  • damage of a product resulting from negligence
  • damage of a product resulting from unauthorized modification of the product
  • damage caused by natural disaster
  • theft or loss of the product

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six tubes with natural aluminum base
six tubes with natural aluminum base

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six tubes with black anodized base
six tubes with black anodized base

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black anodized base
black anodized base

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Natural aluminum base
Natural aluminum base

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base detail
base detail

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nixie tube back detail
nixie tube back detail

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R|Z568M with black anodized base
R|Z568M with black anodized base

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glow on the digit detail
glow on the digit detail

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