What does PT1000 mean?
What does PT1000 mean?
platinum resistance
Pt1000 sensors are the second most common type of platinum resistance thermometer. Pt refers to that the sensor is made from Platinum (Pt). 1000 refers to that at 0°C sensor has a resistance of 1000 ohms (Ω).
How accurate are PT1000?
PT1000 Sensor. Platinum resistance thermometers (PRTs) offer excellent accuracy over a wide temperature range (from -200 to +850 °C). The most common type (PT1000) has a resistance of 1000 ohms at 0 °C and 138.4 ohms at 1000 °C.
How do you calculate platinum resistance?
“The linear correlation between the electrical resistance of the platinum conductor and the temperature is used to measure the temperature.”…Converting Pt100/Pt1000 resistance into temperature.
| ϑ(R)=R−R0R0⋅α | |
|---|---|
| R: | Measured resistance of the Pt sensor [Ω] |
| R0: | Electrical nominal resistance at 0°C [Ω] |
What is a platinum resistor?
A platinum resistance thermometer (PRT) is a piece of platinum wire which determines the temperature by measuring its electrical resistance. The length and diameter of the platinum wire used in a thermometer are often chosen so that the resistance of the device at around 0 ºC is 100 ohms.
Which 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.
Which is more accurate Pt100 or Pt1000?
The main difference between Pt100s and Pt1000s in general is the electrical resistance at 0⁰C, which is the number in the name: a Pt100 is 100Ω at 0⁰C and a Pt1000 is 1000Ω at ⁰C. This makes Pt1000s more accurate for small temperature changes as they would result in larger changes in resistance when compared to Pt100s.
Which one is better PT100 or Pt1000?
Which is more accurate PT100 or Pt1000?
What is the accuracy of platinum resistance thermometer?
In general, PRTs can have high accuracy (0.01 °C), stability, and repeatability across a wide range of temperatures from -200 °C to 500 °C.
What is the temperature coefficient of platinum?
Very high-purity platinum, such as is used in the manufacture of resistance thermometers and thermocouples, has a temperature coefficient approaching 0.003927, and this represents the purest platinum commercially available.
How does a platinum resistance thermometer measure temperature?
The resistance of platinum increases linearly with the temperature, and this property of the metal is used for measuring the temperature. The resistance of the platinum is measured by passing the alternating or direct current through it.
