北检（北京）检测技术研究院

1.1 This specification covers phase change-type clinical thermometers that are designed and intended for one time use.

1.1 This specification covers all single-use clinical thermometer probe covers and sheaths intended for use with any clinical thermometer. Requirements are given for safety toxicity handling labeling and physical integrity. Testing procedures for appropriate requirements and a glossary of terms used within the standards are provided.

1.2 The requirements contained herein are intended to ensure adequate isolation of the patient from the temperature-measuring device. In addition the safety and health of the patient shall not be adversely affected. When used in accordance with the manufacturers instructions the probe cover sheath and temperature measuring device shall remit correct temperature readings as required in Specifications E 667 and E 1112.

1.1 This specification covers mercury-in-glass reusable maximum self-registering clinical thermometers of the types commonly used for measuring body temperatures of humans and of animals. Requirements are given for bulb and stem glasses mercury legibility and permanency of markings dimensions temperature scale ranges and graduations as well as for thermometer stability ease of resetting retention of temperature indication and for accuracy of scale reading. Appropriate methods of testing to determine compliance are provided. Also included is a glossary of terms used in the standard and an appendix with additional information on thermometer glasses and stability.

1.2 All values of temperature in this standard are with reference to the International Temperature Scale of 1990.

1.3 This specification was developed to provide nationally recognized marketing classifications and quality requirements for mercury-in-glass maximum self-registering clinical thermometers. It is also intended to provide producers distributors and users with a common understanding of the characteristics of this product.

1.4 The following precautionary statement pertains only to the test method portion Section 6 of this specification: This standard does not purport to address all of the safety concerns if any associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.