Enhance the Romance

CERTIFICATE OF ACCURACY This Basal Thermometer is certified to be accurate through-out its entire range and meets all requirements of ASTM E667, the standard developed cooperatively with the industry and published by the American Society for Testing Materials (ASTM).

Key Benefits

• Accurate within .1 degree
• Holds Temperature until shaken down

Pricing

Available from Teaching Couple in your area.

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Last modified: July 18, 2005