How to Order
By Telephone

Our sales office is open from 9:00am to 5:00pm Monday to Friday. There is a voice mail answering service to take details of orders or any other enquiries out of hours.
Tel : 01245 428500

By Fax

Our fax lines are open 24 hours a day seven days per week.
Fax : 01245 428509

By Post

We accept orders via post.
Our postal address is:-

Rayleigh Instruments Limited.
Raytel House, Cutlers Road,
South Woodham Ferrers,
Essex CM3 5WA


We accept orders via e-mail to our e-mail address:-

Credit Account

Opening a credit account is quick and easy. Simply contact our sales office with details of your company registration number and we will process your request. Accounts can be opened the same day.
Alternatively we are happy to accept proforma order or payment by Switch, Visa or Mastercard.

Next Day Delivery

Available anywhere in the United Kingdom for orders for stock items received before 4:30pm.


Orders can be placed on line for a selection of "off the shelf" products.
This service is only available to selected customers.
If you would like more details about this service please email

General Company Information
Head Office

Rayleigh Instruments Limited
Raytel House, Cutlers Road, South Woodham Ferrers,
Chelmsford, Essex CM3 5WA

Tel: 01245 428500
Fax: 01245 428509

Email: - Send

Department Numbers


Instrumentation Products

Telephone : 01245 428501

email :


Safety Products

Telephone : 01245 428502

email :


Temperature and Pressure Products

Telephone : 01245 428503

email :


Rotational Measurement and Control Products

Telephone : 01245 428504

email :

Relays and Timers

Relays and Timers

Telephone : 01245 428505

email :

Energy Management

Energy Monitoring Products

Telephone : 01245 428506

email :

Rail and Special

Rail and Special Products

Telephone : 01245 428560

email :

Our Commitment to Quality

Our Vision :

To be the first choice supplier of control, instrumentation and relay products within our chosen market.

Our Mission:

We strive to help our customers gain commercial advantage by consistently providing competitively-priced, high-quality products together with the best possible technical support. Moreover, we pride ourselves on focusing not only on our customers short-term requirements but also on the long-term needs of the marketplace. In so doing, we aim to ensure that our customers receive the most relevant, high-quality and up-to-date products suitable for their requirements at all times. We believe, therefore, that this places us in a stronger position to give the best customer service in the industry and ensure complete customer satisfaction.

Quality Objectives :

Measurable quality objectives are set for all levels within the Company and documented as part of our quality management system. Quality objectives are agreed and assigned at the management review and are consistent with our Quality Policy. Quality objectives are communicated to every team member in Rayleigh Instruments Ltd and we actively encourage our team members to make the commitment of achieving these objectives to the best of their abilities.

Quality policy :

We at Rayleigh Instruments Ltd have established a quality management system that is relevant to the purpose of our business and complies with the requirements of ISO9001:2008. certificate Number FS 12165

By ensuring our commitment to monitoring, measuring and analysing our key processes, we aim not only to provide our customers with the best possible service to the highest possible standards but ensure continued profitability and continual improvement of the Business System in accordance with the requirements of the Raytel Group.

Every member of our team has been employed on the basis of the appropriate education and experience relevant to his/her position. We are committed to quality training for our team members and equipping them with the skills they need for satisfying customer requirements. We appreciate that when team members are well-trained and customer-focused they will meet and even exceed all customer expectations.

Full statement and business manual available on request.