新型U字壁掛式
標記歸零前最低溫之顯示
附歸零鈕
An economical way to monitor and record maximum and minimum temperatures in greenhouses, classrooms, or laboratories.
Small floats are pushed to each temperature extreme by the mercury columns and stay there until they are reset.
A dual scale covers a wide range of temperature in ° C.
Requires no batteries or external power to operate.
Specifications: Temperature, –40 to 50° C (±1°).