A-A-54520
Shall be provided with a pointer that is sufficiently dampened to provide a temperature reading that does not change more than 2 degrees (F) when the thermometer is subjected to the stability testing procedure indicated in the Quality Assurance Provisions of this document.
Shall be fitted with a calibration nut that allows the dial adjustments to be made by using a wrench (not required to be supplied with the thermometer) to grip and turn the nut. Turning the nut shall result in the case and dial being turned and repositioned under the pointer. The calibration nut fitting shall have sufficient friction to require a toque in the range of 15 to 68 inch-oz to be applied in order to turn the calibration nut. The thermometer shall be tested to determine the tightness of the calibration nut in accordance with the testing procedure in the Quality Assurance Provisions of this document.
Shall be supplied with a pocket size carrying case that includes a pocket clip which is suitably protected against corrosion. The carrying case shall be fabricated from a hard rubber or a rigid plastic. The thermometer, after insertion in the carrying case shall be held in place by a frictional spring clip type support located within the cavity of the case. The pocket clip-on case shall be designed for alternate use as a handle for the thermometer by allowing the thermometer stem to be inserted into a loop or gap in the pocket clip.
Shall be provided with printed instructions, on either a product box or separate enclosure, that indicates the proper use and case of the thermometer. A cautionary statement shall be included that indicates that the thermometer is being supplied to be accurate within 2 degrees (F), unless damaged by shock or temperature extremes, but can be adjusted to a 1 degree (F) accuracy at any point on the dial scale by carefully recalibrating at that specific temperature. The cautionary statement may be supplied on an insert that is separate from the other instructions.
Workmanship. The thermometer and carrying case shall be free from defects which detract from their appearance or impair their serviceability.
Unit. Each (EA). One thermometer, as specified, constitutes one unit.
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