SY037 Passive Pulse Splitter

SKU: SY037

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SY037 Passive Pulse Splitter

The SY037 passive pulse splitter is ideal for converting pulses from meters or other turbine devices and transmitting the same pulse to three outputs to enable three separate instruments to measure the rate simultaneously.  It needs no power supply.  It functions simply from the pulses of the meter driving it. It is convenient for meters and any pulse generating device with reed switches, open collector or current source.

Passive Pulse Splitter Key Features

  • Passive
  • Submersible
  • Safe
  • Small and compact
  • Radio transmission version also available (please ask)
  • IP68 or (Din rail cased suitable for energy management applications)

Designed for applications that require a pulse to be isolated and repeated on three separate outputs.  You can have just 2 outputs but if it is the submersible unit you need please specify.  Characterized by a self-resetting feature for added protection against wiring errors.

SY037 passive pulse splitter doesn’t contain or need any energy sources, no batteries or energy storage devices which makes it a completely passive device.  Ideal for water applications, The P version is especially good when the splitter needs to be submerged underwater and provides protection against wire touching dangerous parts and the effects of continuous immersion in water.  Its electronics are sealed in silicone so the connections need to be out of water.  Because of this you need to specify the lengths of the leads you need when you buy the sealed potted version.  The Din rail version for in a nice dry cabinet has terminal which can be connected to the meter over whatever distance you wish. This is voltage dependent .  Low voltage won’t travel so far as high voltage. That down to your meter output not the passive pulse splitter.

It accepts reed switches, opto-coupler, open collector, current source or TTL pulse and transmits the same pulse type to three outputs.


Water leakage detection.
Energy management systems.
It is ideal for use with water meters.
Water treatment application.
Environmental management systems.

Changes in specification may occur.

We are always happy to discuss particular applications or special requirements so don’t hesitate to contact us.

Designed and manufactured in our UK factory by Synectic Design Ltd

Standard Specification

Weight N/A
Dimensions N/A



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Cable length (Only for IP68 sealed case)

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Features at a glance

One input and Three outputs
Passive Pulse Splitter, self-resetting feature
No batteries or power supply required
Submersible, suitable for water treatment industries.
IP68 sealed case, or IP40 Din rail mounted
Works with reed switches, open collectors, opto-coupler, current source and TTL Pulse

Product Data

SY037 passive pulse splitter datasheet Download Here
SY037 passive pulse splitter with Radio transmission line manual Download Here
SY037 passive pulse splitter manual Download Here