Natural Gas Dehydration & Liquefaction

Natural gas dehydration and liquefaction are critical processes with highly demanding specifications - millions of dollars of production can be gained or lost depending on the quality of process analytics. MCM's online hygrometer solutions provide trace-level measurement that is “industry approved” and proven to add significant commercial value, including at plant start-up, through process optimisation, and via simplicity of maintenance.

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We are proud to manufacture and supply trace moisture analysers that are the preferred choice of industry experts for a wide variety of applications around the world.

Sales Contact Details

Tel +44 (0)1937 843927
Email [email protected]

Service Contact Details

Tel +44 (0)1937 843927
Email [email protected]


Please complete the form to generate an RMA Number:


Our new website will provide our clients enhanced access to documents, information and product registration.

In the meantime, you can still access the resource centre here:

MCM Celebrating 55 Years - 1968 to 2023

Rudgate, Thorp Arch Estate, Wetherby, West Yorkshire, LS23 7AU


Please complete the following to generate an RMA Number:

Upload photos (required when reporting damage for repair)

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Are you sending equipment from outside the UK?
Click here to see our paperwork requirements

Please add the following RMA number to your shipping invoice, then upload the completed invoice below.

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Moisture Control & Measurement Ltd treats all personal information lawfully and correctly and operates in accordance with the Data Protection Act 1998.

We make all reasonable efforts to ensure personal information:

-is processed lawfully
-is adequate, relevant and not excessive
-is accurate and, where necessary, kept up to date;
-is not kept longer than is necessary
-is processed correctly
-is kept secure

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Data Collection

We may collect personal contact information from you, for example, if you sign up to our newsletter or use our enquiry form. You can later request to have this information removed or modified from our database. We use this information to reply to your enquiry and inform you of related news and events and for no other purpose. We do not disclose, distribute or resell this data to any persons outside of Moisture Control & Measurement Ltd its immediate staff and partners.

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RMA Paperwork Requirements

Click here to view this information as a PDF.

A clear and comprehensive Shipping Invoice / Packing List should be provided with every consignment delivered to MCM.

Your organisation may already have a standard template; in which case, please use it. Whatever format of document you choose, please include all the following requested information.

If your project requires special / unique reference numbers, then please also include these with clear marking and explanation.

Note that incomplete information may lead to delays in processing your return, especially for goods shipped from outside the UK and where customs import processes must be followed.

The document should include your company logo / branding.

Provide your full company name.

Provide your company address (this is the required delivery address, which may be different to PO invoice address).

Provide your full name. If you are not the primary contact, then enter primary contact name.

Provide the telephone number of the primary contact.

Provide the email address of the primary contact.

Provide your unique proforma shipping invoice / packing list reference number.

The document should contain the current date (the date of issue of the document).

Provide the name of the courier that you are using (e.g. UPS, DHL, FedEx etc).

Provide your courier account number against which the consignment will be shipped.

Provide the unique courier tracking number for the consignment.

Provide your VAT / tax ID number.

Provide your unique MCM RMA number. The RMA number is shown on the screen when you begin the RMA process.

The total quantity of hygrometers being returned should be clearly stated.

Include the model type description of the equipment, e.g.:
“MicroView Mini Hygrometer”
“ATEX MicroView Portable Hygrometer”
“Bottled Gas Dryer”

If more than once type of equipment model is being returned in the same consignment, then create separate lines for each different model. Ensure that each line has the correct quantity of pieces, as per Note 13.

Provide the unique MCM serial number for each piece of equipment in the consignment.

Provide a value for each unit piece of equipment. Common currencies used are GBP, EUR and USD.

Provide the total value for each line item. This is unit price x total pieces of each model.

Provide the total quantity of pieces in the consignment.

Provide the total (estimated) gross weight of the consignment (all pieces).

Provide the total (estimated) dimensions of each piece. If pieces have different dimensions, then please itemise all separately.

Provide overall invoice total value (sum total of all separate line item values).

Please sign the document. Include your company name and the name of the signatory (e.g. Signed by John Doe of Company ABC Ltd).