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Visible Range of 10 to 5000 LUX

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UV Power Range of 20 to 2000 mW/m2

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EMS Compatible

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Live Data

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Hanwell Pro ML4704 Wireless Transmitter

External LUX & UV sensors

Part of the Hanwell Pro ML4000LUX/UV Series, the Hanwell Pro ML4704 LUX and UV wireless transmitter is fitted with an accurate onboard LUX and UV Sensor with discreet design.

Visible Range: 10 to 5000 LUX

UV Power Range: 20 to 2000 mW/m2

Compatible with our wireless EMS monitoring system for real-time 24/7 data (anytime and anywhere) and instant alarm notifications.


Typical Applications
• Medical supply storage

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Key Features and Benefits


Superior performance hardware & high accuracy sensors


Easily accessible battery & USB socket


Logger memory capacity of 100,000 readings


Up to 3-year battery life (dependent on use)


Complies with RoHS, EU directives and WEEE


Carries CE Marking

Instrumentation Specification

Dimension (Excl. ancillaries):

110 x 80 x 35mm


200 grams

Power supply:

1 x 3.6V AA Lithium battery

Memory capacity:

100,000 readings per channel (unit can be set to wrap or stop when full)

Clock accuracy (logging)

20ppm @ 25°C

Case Material:


IP Rating:


Instrument operating range:

0°C to +50°C in a non-condensing RH environment

Storage temperature:

-40°C to +60°C

Lux Sensor:

Photometric diode detector

Visible wavelength:

400 to 700nM

Visible range:

10 to 5000 LUX

Colour response:

Human eye (Match to CIE Curve =5%)



Angular response:


Long term drift:

<1%FS per year

UV sensor:

UV Silicon carbide

UV Power range:

20 to 2000 mW/m2

UV Wavelength:

215 to 365nm

Wireless Data Logger functions:

Frequency options:

A range of frequencies are available between 433-458MHz. Country specific regulations apply.

Radio power:


Radio range:

3km over open ground

Battery life:

Up to 2 years (dependent on conditions of use and instrument settings)

Software required:

W900 – Standard EMS Software Package
W906 – Validated EMS Software Package
*See EMS datasheet for further options

Hardware Required:

CR2 / CR3 – Controller
SR2 – Smart Receiver
REP – Repeater


88706 3.6V AA Lithium battery
Y119 Wall mount bracket

The Hanwell EMS Software

The Hanwell environmental monitoring software (EMS) can be used with Hanwell Pro and Hanwell IceSpy hardware to provide a secure and flexible tool for comprehensive data collection, analysis and immediate alarm notification.

Validatable software
Specifically for the pharmaceutical sectors, we provide comprehensive IQ and OQ protocols and custom protocols, where required. Trained engineers and distributors are available for smooth validation protocol execution.

EMS assists with national regulatory compliance requirements
GxP Guidelines, HACCP, FDA 21 CFR Part 11, EU GMP Annex 11, and ISO 22000 food standards

Highlighted Features

checkmark One software platform for all Hanwell equipment.
checkmark Single or multi-user access for small, medium or large monitoring needs.
checkmark Collect and display data from multiple environmental applications.
checkmark Display quick overview of sites and/or sensor groups specified by individual users.
checkmark Access interactive graphs, tables and plan views for detailed data analysis.
checkmark System validation to organisation requirements with full supporting IQ & OQ protocols.
checkmark View real-time data 24/7.
checkmark Immediate system, email and SMS alarm notification to user-defined personnel.
checkmark Generate automated reports or access data immediately and easily via the system.
checkmark Access critical information on your local PC, via the company intranet or network and via the internet.
checkmark View and interact with data and settings from anywhere in the world using commercially available browser based formats.
Learn more about EMS
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Suitable Applications

The transmitters can be used for various applications within the life science and food & beverage industries.

Ellab Applications

Ellab provides a wide range of diverse products and solutions for most applications, all around the world.

See all applications

Suitable Accessories

Ellab offers a wide range of customizable fittings and essential accessories for our products. The items below are for use with this product:

Ellab Accessories

Ellab offers a wide range of customizable fittings and essential accessories for processes and studies within different industries.

See all Accessories

Downloads and Related Articles

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