Sealer of Weights & Measures

Sealer of Weights and Measures inspetions are required by M.G.L. c. 98 and c. 295 of the Acts of 1998. The town is required to test and certify (seal) annually all commercial weighing and measuring devices. The town is also required to test and certify electronic automated checkout systems at least once every two years.


The town of Westford contracts with the Northern Middlesex Council of Governments (NMCOG) for weights and measures services. The Sealer of Weights and Measures enforces the Massachusetts General laws related to accuracy and integrity of scales and measuring devices used in commerce.

Historic Town of Westford Scale Courtesy of the Westford Museum

To Schedule an Inspection

Please contact:

David Tilton

Northern Middlesex Council of Governments 

40 Church Street, Suite 200

Lowell, MA 01852

(978) 454 - 8021 extension # 117

Device / Inspection Type Fee Per Device ($)
Over 10,000 lbs $250
5,000 to 10,000 lbs $150
1,000 to 5,000 lbs $125
100 to 1,000 lbs $100
10 to 100 lbs $65
10 lbs or less $40
Avoirdupois $25
Gas Pumps $60
Oil Trucks (per truck) $60
Price Verification - 1 to 3 Electronic Checkouts  $100
Price Verification - 4 to 11 Electronic Checkouts $200
Price Verification - 12 or More Electronic Checkouts $300

File a Complaint

If you have a complaint or would like to report an issue to the Division of Standards you may click on the following link: DOS Complaint Form.