Armored platinum thermistors are a type of external structural dimension that has been passed down since the use of platinum resistors for temperature measurement by humans 200 years ago It is still widely used in industrial temperature measurement today Due to the less advanced manufacturing technology of platinum resistance components in the past (such as mica resistors), large-diameter protective tubes with diameters of 16 and 12 had to be used. The advantages are that the market has a large quantity and strong adaptability, while the disadvantages are slow response speed, material waste, and most compact instrument designs cannot be used and are only used for engineering. This series of platinum resistors enhances the stability of the components due to the use of highly reliable platinum resistance elements; At the same time, it also solves the problem of damage to components caused by the weight of platinum resistor leads passing through ceramic beads from similar manufacturers in high temperature and vibration situations.

The outer protective tube of the armored platinum thermal resistor is made of stainless steel and filled with high-density oxide material insulation, making it highly resistant to pollution and excellent mechanical strength, suitable for installation in harsh environments.

It usually consists of main components such as armored platinum thermistor temperature sensing elements, installation and fixing devices, and wiring devices.

● Characteristics

·Less thermal response time, reducing dynamic errors;

·Small diameter, unlimited length;

·High measurement accuracy;

·Imported thin film resistor components with reliable and stable performance;

● Working principle

Armored platinum thermistor measures temperature by utilizing the characteristic that the resistance of a substance changes with temperature. When the resistance value changes, the working instrument displays the temperature value corresponding to the resistance value

● Main technical parameters

Product execution standards

IEC751

JB/T8623-1997

JB/T8622-1997

The thermal resistance is tested at an ambient temperature of 15-35 ° C, relative humidity not exceeding 80%, and a test voltage of 10-100V (DC). The insulation resistance between the electrode and the outer sleeve is greater than 100M Ω

The thermal resistance is tested at an ambient temperature of 15-35 ° C, relative humidity not exceeding 80%, and a test voltage of 10-100V (DC). The insulation resistance between the electrode and the outer sleeve is greater than 100M Ω.