Notification/Circular No. – G.S.R. 536(E) August 07, 2025
Applicable Act/Rule – Legal Metrology Act, 2009; Legal Metrology (General) Rules, 2011
Applicable Section/Rule – Eighth Schedule, Part VI, Part C
The Ministry of Consumer Affairs, Food and Public Distribution has issued the Legal Metrology (General) Fifth Amendment Rules, 2025, bringing changes to technical standards for thermometers under the Legal Metrology framework. These updates refine definitions and measurement requirements to ensure uniformity, accuracy, and reliability in temperature-measuring instruments.
In the EIGHTH SCHEDULE, in PART VI, in PART C, –
“(1) A complete thermometer consists of a temperature probe connected to any indicating unit.
(2) The instrument shall be of one of the following types:-
(i) an interchangeable temperature probe connected to an indicating unit that is compatible with the characteristic response of the probe; or
(ii) a temperature probe and an indicating unit permanently connected.”;
(a) for the words, figures and letters “maintained at a temperature range of 36.9°C to 37.1°C”, the words, figures and letters “at 37°C± 1 °C” shall be substituted;
(b) in Note (2) , for the figures and brackets “5(2)(7)”, the figures and brackets “5(2)(i)” shall be substituted.
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