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Hanwell RL4800 Analogue Transmitters

Hanwell RL4800 Analogue transmitters provide wireless data transfer from your existing wired transmitter.  These transmitters compliment our range of temperature transmitters and relative humidity and temperature transmitters also available within the Hanwell RL4** series.  RL4800 transmitters feed into Hanwell EMS (or previously Synergy) data acquisition software, generally via an SR2 base station.  This wireless Hanwell system is commonly used in facility monitoring applications, including pharmaceutical and clean room monitoring systems requiring compliance to FDA CFR21 pt11 regulations.


Hanwell RL4800 transmitters are powered from a single, generic, 3.6V lithium “AA” size battery.  Battery life is typically up to 18 months.  Fluidic offer calibration solutions for all RL4000 sensors.  As part of a typical annual calibration, Fluidic can replace the battery at no extra cost.  Hanwell RL4000 temperature transmitters are of lightweight ABS and polycarbonate construction.  Include order code Y119 with your order for a convenient and discreet wall mount bracket.


The standard 434.075MHz signal utilised by the Hanwell system has a line-of-sight travel up to 3km.  Other frequencies are available, Fluidic are able to compliment our offer with site surveys prior to system install.


Hanwell RL4800 Temperature Transmitters are available in the following models:

  • RL4803 Single Channel Switch Detection transmission
  • RL4804 Dual Channel Switch Detection transmission
  • RL4805 Single Channel Flood Detection transmission
  • RL4806 Dual Channel Flood Detection transmission
  • RL4809 Dual Channel 4-20mA input (add existing wired sensors into the Hanwell EMS system)
  • RL4810 Dual Channel 0-5V input (add existing wired sensors into the Hanwell EMS system)


Some transmitters require additional probe options and/or mounting clips.  Fluidic can help with product selection.


Fluidic are a recognised partner of Hanwell (Industrial division) for Scotland and the North of England. Our instrumentation engineers are product trained and able to help with instrument selection within the full Hanwell wireless system. Please call either office for more information (Glasgow 0141 641 5920, Warrington 01925 572401).





  • Download Hanwell RL4803 / RL4804 Switch Detection transmission
  • Download Hanwell RL4805 & RL4806 Flood Detection transmission
  • Download Hanwell RL4809 4-20mA input Datasheet
  • Download RL4810 0-5V input Datasheet
  • Download Hanwell Probes Datasheet
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