温度准确，包装精美，出口产品永不掉字。本产品的在制作过程中需要经过高温使玻璃表面熔化，让度数侵入玻璃里面，因此绝对不会有掉字的现象出现。材料：进口原料高级玻璃制造特点：外观时尚小巧超强吸盘可吸附于水族箱内 测温准确方便观察更清晰技术参数：测温范围0℃-50℃        精确度  ±1℃       使用环境  0℃-50℃河北荣兴玻璃仪器厂主要生产的透明玻璃管，用于医学器械 ，化学仪器， 纺织， 水族等多个行业 。对于其他要求耐高温、高热稳定性、高化学稳定性、高介电性能的工业技术部门亦得到广泛的应用。下述三类本厂均具有相应的生产线。A:普通玻璃管；  B:高硼硅玻璃管； C:石英玻璃管；The transparent glass tubes which our factory manufacture are used in medical instruments, chemical instruments, textile and aquarium industries. They are also widely used in other industrial technology departments which require high temperature-resistant, high thermal stability, high chemical stability and high dielectric property. We have the corresponding production line for the following three kinds of products.A. normal glass tube; B: borosilicate glass tube C: quartz glass tube 海水比重计Sea water hydrometer浮于水面的海水比重计，海水比重、盐度、显示精确，使用简单，读数容易，透明度高。Floating on the sea water, the hydrometer is transparent, and is easy to use and reads easily with accurate numbers.温度计温度准确 ，包装精美， 出口产品 永不掉字。本产品的在制作过程中需要经过高温使玻璃表面熔化，让度数侵入玻璃里面，因此绝对不会有掉字的现象出现。ThermometerAccurate temperature, refined package, To be exported and would not be faded.This kind of product requires melting the glass surface through heating on the manufacture process, inserting the degree. So they would not be faded.可调功率暖管可靠的电路和优质材料保证了热能输出，使水族箱内水温保持稳定.温度指示范围可调在20℃~34℃之间.先进的设计,双重密封绝缘,确保操作安全.自动调节温度,带有电源指示灯,完全潜水.Adjustable heating pipeThe reliable circuit and qualify material guarantee the output of thermal energy and keep the water’s temperature stable in aquarium.The temperature indication range is adjustable between 20℃to 34℃.The advanced design and double seal guarantee the safe operation.Adjusting the temperature automatically with indication light is completely used for submarine.