These thermometers are designed for use in specific applications. These Durac thermometers feature markings that are permanently printed on the glass, individually serialized, and red spirit liquid that has a dark scale contrasts against a white background. Some thermometers are PTFE coated for added safety which may cause a slight change in accuracy up to 1 division.
These Refrigerator thermometers - indicate temperature ranges at 4°C and 6°C marked with arrows.
科尔帕默仪器(上海)有限公司
仪器网(yiqi.com)--仪器行业网络宣传传媒