Radio Transmitters:

Wireless Environmental Control

Hanwell’s radio transmitters have unrivalled radio technology, for comprehensive wireless monitoring. Each transmitter accurately and reliably transmits the environmental parameter data via radio to a base station that is linked directly to your local server and PC. The data is gathered effortlessly and historical information is stored continuously for user analysis.

We pride ourselves in our ability to accurately interpret customer requirements. If you require the monitoring of any parameter not mentioned below, please call as we will, almost certainly, have a solution for you.

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Our sales team are ready to help you understand which products or applications will help you and your organisation.
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Base Station – SR2
Base Station – SR2
The SR2 is a network enabled base station, designed for collecting environmental monitoring data from multiple points within a site, or across multiple sites, which logs and stores the data pending transfer to a PC for analysis and archival storage. Find out more>>
Base Station – CR2
Base Station – CR2
The base station receives and processes signals from Hanwell radio and wired transmitters. These transmitters communicate at regular short intervals with the CR2, which logs and stores the data pending transfer to a PC for analysis and archival storage. Find out more>>
Thermistor – RL4001
Thermistor – RL4001
The RL4001 & RL4002 are precision thermistor temperature measuring and radio transmission devices. The RL4001 has a single channel the rl4002 is dual channel. The sensors are connected via 2 pin Lemo plugs and sockets. Find out more>>
Temperature – RL4301
Temperature – RL4301
The RL4301 & RL4302 are precision 3- wire PT100 temperature measuring and radio transmission devices. The RL4301 has a single channel the RL4302 is dual channel. The sensors are connected via 5 pin Lemo plugs and sockets. Find out more>>
Temperature – RL4401
Temperature – RL4401
The RL4401 & RL4402 are precision 4-wire PT100 temperature measuring and radio transmission devices. The RL4401 has a single channel the RL4402 is dual channel. Find out more>>
RFBug
RFBug
The RFBug is the smallest of its kind at just 105 x 65 mm and has been specifically designed to fit in small areas where temperature and humidity control is required to be unobtrusive Find out more>>
Temperature and Humidity – RL4115
Temperature and Humidity – RL4115
The RL4115 is a temperature and humidity radio transmitter that allows wire-free monitoring of a site, with real time alarm notification and historical analysis of data. Find out more>>
Temperature and Humidity – RL4106
Temperature and Humidity – RL4106
The RL4106 is a self contained temperature and humidity transmitter with two built in sensors.
Find out more>>
Temperature and Humidity – RL4108
Temperature and Humidity – RL4108
The RL4108 is a temperature and humidity transmitter with three sensors; an internal precision temperature probe, a high quality humidity probe and an additional remote surface temperature probe to check the dew point margins. Find out more>>
Temperature and Humidity – RL4114
Temperature and Humidity – RL4114
The RL4114 is a temperature and humidity transmitter with a 5 pin Lemo socket for remote sensors. Find out more>>
Differential Pressure – RL5405
Differential Pressure – RL5405
The RL5405 is a differential pressure transmitter. Utilising an integral temperature compensated pressure sensor the rl5400 differential pressure transmitter delivers exceptional performance.
Find out more>>
Temperature – RL5001
Temperature – RL5001
The RL5000 range is a new series of Hanwell radio telemetry transmitters, designed for use with the Radiolog 8 environmental monitoring system. The units are in IP65-rated cases and are suitable for use in tough environments. Find out more>>
Temperature – RL5002
Temperature – RL5002
Each RL5000 has two inputs for probes, the combination of which can be custom-defined. Supported temperature probe types include: thermistors, PT100s and thermocouples. The RL5000 also supports humidity probes and linear inputs. Find out more>>
Differential Pressure – RL4502
Differential Pressure – RL4502
New from Hanwell is the RL4000 dp radio telemetry transmitter, designed for use with the Radiolog 8 environmental monitoring system. The units are in IP65-rated cases and are suitable for use in tough environment Find out more>>
ClimaBox3 – RL5406
ClimaBox3 – RL5406
The ClimaBox3 has been designed specifically to measure a combination of temperature, humidity and CO₂ within an area. Data collected can be used to test and verify low or substandard ventilation systems. Find out more>>
Radio Logger – RL8000
Radio Logger – RL8000
The RL8000 is a highly flexible solution to a wide variety of low-speed instrumentation problems. The unit offers 8 configurable input channels and a variety of communication options including radio telemetry, TCP/IP and direct wired. Find out more>>
Submersible Temperature – RL1000
Submersible Temperature – RL1000
The RL1000 submersible temperature transmitter is a radio logger sensor for use in tough environments where there is a requirement for accurate and reliable temperature data without using wiring. Find out more>>
Light (Lux) – ML4701
Light (Lux) – ML4701
The ML4701 has been designed to monitor light (lux) only. The unit is simple to set up and retrieve historical data, which is ideal for monitoring light falling onto objects. Find out more>>
Light (Lux) and Ultraviolet (UV) – ML4703
Light (Lux) and Ultraviolet (UV) – ML4703
Similar to the ML4701, the ML4703 monitors light (lux), but in addition records the ultraviolet (uv) combined. Ultraviolet content is the most destructive part of light and this unit records lux and uv collectively. Find out more>>
1-Zone Flood Alarm – RL2001
1-Zone Flood Alarm – RL2001
The 1-Zone flood alarm is a radio transmitter that connects to a highly responsive flood detection cable. The cable can be run along key areas enabling rapid notification of water leakage before serious damage is done. Find out more>>
2-Zone Flood Alarm – RL2002
2-Zone Flood Alarm – RL2002
The 2-Zone Flood Alarm is a radio transmitter connected to two highly responsive flood detection cables. These cables can be run along key areas enabling rapid notification of water leakage before serious damage can be done. Find out more>>
8-Zone Flood Alarm – RL8008
8-Zone Flood Alarm – RL8008
The 8-Zone Flood Alarm is a radio transmitter connected to up to eight highly responsive flood detection cables. These cables can be run along key areas enabling rapid notification of water leakage before serious damage can be done. Find out more>>
External Temperature and Humidity – ML4109
External Temperature and Humidity – ML4109
The ML4109 transmitter is designed for external temperature and humidity monitoring. The radio range can reach 3km over open ground Find out more>>
Wind Monitor – DRTX
Wind Monitor – DRTX
The Wind Monitor is a high performance, rugged radio logger. Its simplicity and corrosion resistant construction make it ideal for a wide range of wind measuring applications. Find out more>>
WoodWatch – WW01
WoodWatch – WW01
Internal stress within wood is now visible and measurable with WoodWatch. The sensor uses acoustic technology to listen to changes within the wood and allows users to reduce the potential damage that can result from long term neglect. Find out more>>
Repeater – REP
Repeater – REP
Hanwell’s Repeater is a radio telemetry transmitter, used for transparently forwarding radio data between transmitters and base stations, to achieve greater range. Find out more>>
iSense – IS
iSense – IS
The iSense is an innovative self contained unit enabling remote monitoring of diverse parameters via wireless GPRS technology Find out more>>
Signal Strength Meter – DRRX
Signal Strength Meter – DRRX
The Signal Strength Meter is a tool designed for analysing that unique profile and taking the arcane mystery out of positioning Hanwell radio equipment. Find out more>>
Current Clamp – RL4601
Current Clamp – RL4601
The RL4601 is a three channel transmitter that clamps directly to a 0-120amp cable using the current clamp without any interference with mains connectivity. The clamp simply hooks around the cable and picks up the energy use and feeds this through the transmitter. Find out more>>
RF Energy Transmitter – RL4602
RF Energy Transmitter – RL4602
The RL4602 is a three channel radio frequency (RF) transmitter that clamps directly to a 0-120amp or 0-600amp cable using either a current clamp or rogowski coil without any interference with mains connectivity. Find out more>>
GSM/GPRS Utility Transmitter – RL4603
GSM/GPRS Utility Transmitter – RL4603
The RL4603 is a single channel device with a built in GSM/GPRS technology. The unit can be used to collect data from electricity, water, gas meters output and energy meters with a suitable output.
Find out more>>
RF Pulse Counting Utility Transmitter – RL4604
RF Pulse Counting Utility Transmitter – RL4604
The RL4604 is a single channel pulse counting device with a built in radio frequency (RF) transmitter. The unit can be used to collect data from electricity, water, gas meters output and Energy meters with a suitable output. Find out more>>
GSM/GPRS Pulse Counting Utility Transmitter – RL4605
GSM/GPRS Pulse Counting Utility Transmitter – RL4605
The RL4605 is a single channel pulse counting device with a built in GSM/GPRS technology. The unit can be used to collect data from electricity, water, gas meters output and energy meters with a suitable pulse output. Find out more>>