Smiths RVI to RVC Tachometer EXTERNAL conversion with calibration cable -573-

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Seller: Top-Rated Seller spiyda ✉️ (9,549) 100%, Location: stourbridge, GB, Ships to: WORLDWIDE, Item: 380831633009 Smiths RVI to RVC Tachometer EXTERNAL conversion with calibration cable -573-.

Fixes most moving coil tachometers where the electronics have tired, died, fried or just don't cut the mustard with the new flashy electronic ignition or ECU

  • All new electronics replaces old circuit board ( includes 2019 updates)
  • Based on the LM2917 tachometer chip but with Spiyda's own additions
  • High quality ceramic capacitors for much longer life and temperature stability than other designs
  • The board is fitted in a separate plastic case for mounting outside the tachometer
  • NOTE, the moving coil part of the tachometer must be in working order for this module to work
                see our FAQ for more information  https://www.spiyda.com/magento/index.php/faq

This module replaces all the tachometer electronics but mounts externally

If your classic car has had electronic ignition fitted and you tacho won't play ball, this will solve the problem

Uniquely, this unit can be calibrated from a PC,  Laptop,  iPhone etc. using the calibration cable supplied

  • No need to install software, just a play simple wav file.
  • This new (August 2014)  design is voltage triggered and will drive RVI, RVC and most other moving coil movements.
  • Known to work with Smiths RVI and RVC tachometers (made by smiths but also fitted to fords, nissans etc.) Veglia Borletti, Stewart Warner,   but will also work with many others, in fact so far with all moving coil tachometers we have encountered.
  • Converts Positive earth units to Negative earth
  • Converts 4,6 8 or 10 Cyl units to 4,6 8 or 10 Cyl
  • 22 turn calibration adjustment suitable for movement coils from 10 to 500 Ohms     10 to 100mA fsd
  • New design can be driven by Coil -ve connection, 12V or 5V square wave or TTL.. in fact almost anything between 1.5 and 100V
  • Can be driven from "W" terminal on alternator.
  • Reverse polarity protected
  • Over voltage protected
  • Approved by Accuspark, 123Ignition, Powerspark.

Other information

  • The board inside the module is a tried and tested design and taken directly from a batch of boards designed to fit inside a Smiths RVC tachometer case and with the minimum modifications made to fit it inside a plastic case. We have been asked by many customers would our original design work with their (non Smiths) tacho..  well, up til now it was a maybe..  A couple of modifications to our existing design give this module a much greater range of output adjustment and allow it to work on a wider range of inputs.. so now the answer is almost certainly !
  • Five connections via terminal blocks
  • The calibration cable plugs into the headphone socket of the computer
  • The product is the case with circuit board all the electronics on it, it does not include the tachometer or D'Asonval style movement.
  • The appearance of the actual circuit board may vary as we continually make improvements.
  • The case is approx 70 x 37 x 21mm

For more information see our FAQ at https://www.spiyda.com/magento/index.php/faq

free P&P in the UK but will post worldwide at close to cost
free P&P in the UK Trade Offer - Buy 4 get 5
  • Condition: New
  • Illuminated: Yes
  • Part Manufacturer: Spiyda Design
  • Manufacturer Part Number: SP-RVI-EXT
  • Classic Part: Yes
  • Brand: Spiyda Design
  • Display Type: Analogue

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  •  Seller - 9,549+ items sold. 0% negative feedback. Top-Rated Plus! Top-Rated Seller, 30-day return policy, ships in 1 business day with tracking.

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