What is the difference between Pt100 and JPt100?

In January 1, 1989, the JIS standard for platinum resistance thermometers (Pt100) was revised to incorporate the IEC (International Electrotechnical Commission) standard. Platinum resistance thermometers prior to the JIS standard revision are distinguished as JPt100.

What is JPt100?

The new JIS standard was established on April 1, 1989. Platinum resistance thermometers prior to the JIS standard revision are distinguished as JPt100. Therefore, make sure that the correct platinum resistance thermometer is being used. The following table shows the differences in appearance of the Pt100 and JPt100.

Where are Pt100 used?

In general, Pt100 temperature sensors are more commonly found in process applications, while Pt1000 sensors are used in refrigeration, heating, ventilation, automotive, and machine building applications.

What does 100 mean in Pt100?

Pt refers to that the sensor is made from Platinum (Pt). 100 refers to that at 0°C sensor has a resistance of 100 ohms (Ω). A resistance thermometer is a type of temperature sensor. It consists of an element that uses resistance to measure temperature.

Are all Pt100 the same?

Pt100 sensors are available in different accuracy classes. The most common accuracy classes are AA, A, B and C which are defined in the IEC 60751 standard.

Which one is better Pt100 or PT1000?

The RTD PT100, which is the most commonly used RTD sensor, is made of platinum (PT), and its resistance value at 0°C is 100 O. In contrast, a PT1000 sensor, also made of platinum, has a resistance value of 1000 O at 0°C. In some cases the Pt1000 will work better and be more accurate.

How is Pt100 calculated?

The temperature coefficient (indicated with Greek symbol Alpha => α) of the Pt100 sensor is indicated as the difference of the resistance at 100°C and 0°C, divided by the resistance at 0°C multiplied with 100°C. We get a result of 0.003851 /°C. Often this is referred and rounded as a “385” Pt100 sensor.

Which one is better Pt100 or Pt1000?

What is the difference between Pt100 and thermocouple?

Sensitivity: While both sensor types respond quickly to temperature changes, thermocouples are faster. A grounded thermocouple will respond nearly three times faster than a PT100 RTD. RTDs have typically an accuracy of 0.1°C, compared to 1°C for most. However, some thermocouple models can match RTD accuracy.

What is the range of Pt100?

Platinum resistance thermometers (PRTs) offer excellent accuracy over a wide temperature range (from –200 to +850 °C).