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NH Department of Agriculture, Markets, and Food
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For Service Technicians

Pursuant to RSA 438, the Division licenses service technicians authorized to test, calibrate and certify commercial devices including, but not limited to, a variety of scales, analytical balances (e.g. precision scales), retail motor fuel meters, vehicle tank meters, LPG meters, taxi meters. See Agr 1404 and Agr 1405.

I. Service Technician Application, Exam Forms, Exam Information, Exam Dates & Study Materials

  • Required Application and Exam Forms:
  • Requirements to Become a Licensed Service Technician
    • All applications and fees must be submitted at least one week prior to the exam date for which the applicant wishes to sit for the exam
    • **Examinations must be scheduled in advance. For exam dates and to schedule an exam: email devices@agr.nh.gov
      • Complete the service technician registration form and exam form (see above);
      • Complete the social security number form on the day of the exam;
      • All exams are held in the State House Annex located at 25 Capitol St., Concord, NH;
      • Applicants must achieve a passing score of 70%;
      • Pay a $20.00 non-refundable exam fee (all checks shall be made payable to "Treasurer, State of NH";
      • Pay a license fee in accordance with Agr 1410.06; email devices@agr.nh.gov or call the Division at (603) 271-3700 for the correct amount due (please note: fees are prorated);
      • See below for "what you need to know for the scale exam and fuel exam" for more details and where to find specific study materials.
  • Study Materials
  • What you need to know for the "Scale Exam"
    • The scale exam questions have been derived from:
      • NH law and admin rules: Agr 1401, 1404, 1405, 1406.12 and RSA 438:40 Offenses and Penalties; *Please note: the above link provides the entire set of administrative rules for weights and measures-- refer only to the above sections. Also, be aware of Agr 1411 (violations of RSA 438:40, I and of adminstrative weights and measures rules) and Agr 1407 (licensing of commercial devices rules).
      • NIST Handbooks: Handbook 112 (Examination Procedure Outlines),and NIST Handbook 44 including: General Code, User Requirements, Definitions, Tolerances, Notes, etc. **You can download and print this material from this website. Scroll down this page for links to NIST Handbook 112. The exam is open book.
  • What you need to know for the "Fuel Exam"
    • The fuel exam questions have been derived from:
      • NH law and admin rules: Agr 1401, 1404, 1405, 1406.12 and RSA 438:40 Offenses and Penalties; *Please note: the above link provides the entire set of administrative rules for weights and measures-- refer only to the above sections. Also, be aware of Agr 1411 (violations of RSA 438:40, I and of adminstrative weights and measures rules) and Agr 1407 (licensing of commercial devices rules).
      • NIST Handbooks: Handbook 112 and Handbook 44 including: General Code, User Requirements, Definitions, Tolerances, Notes, etc. **You can download and print this material from this website. The exam is open book.

II. Education / Training Resources

  • Retail Motor Fuel Dispenser Training Video
    • NEW retail motor fuel dispenser training videos are available on the NIST, Office of Weights and Measures web page. Click on "Legal Metrology Devices" and then click on the retail motor fuel dispenser (i.e., gas pump) training video which demonstrates the minimum tests of a retail motor fuel dispenser in accordance with NIST Handbook 44 including: Selecting & Maintaining the Test Standard, Wetting the Standard, Normal & Slow Flow Test, Leveling, Reading the Meniscus, Draining a Test Measure or Prover, and Anti-Drain Test.
  • NIST Handbook 44 Self-Study Course

  • Procedures for Draining Test Measures and Provers

III. Service Technician Forms and Guidance Memoranda

Licensed service technicians are required to complete and submit Placed in Service/Inspection Report Forms "whenever they for hire, install, service, repair, recondition, test, seal, or calibrate a commercial weighing or measuring device." These forms can be ordered from the Division using the order form below or can be accessed via the online link below.

Portable Document Format SymbolPortable Document Format (.pdf). Visit nh.gov for a list of free .pdf readers for a variety of operating systems.


NH Department of Agriculture, Markets and Food
Mailing: PO Box 2042, Concord NH 03302 -2042
Physical: 25 Capitol Street, Second Floor, Concord, NH 03301
(603) 271-3551 | fax: (603) 271-1109