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PCA/H Platinum-chip Temperature Sensors

MOQ: 100PCS
All sizes available
Samle available

Quantity:
  • PAC/H style
  • JUMO
Description: 

Platinum-chip temperature sensors are based on a temperature-dependent resistance whose development and permissible tolerance is defined in the international standard  EN 60 751. They combine the favorable properties of a platinum temperature sensor with the advantages of large-scale production. Their distinctive features are standardization and universal interchangeability, as well as high measurement accuracy, excellent long- term stability and good reproducibility of the electrical properties. Furthermore, prices have fallen considerably in recent years, since these sensors are designed to meet large- quantity requirements. With regard to the price, platinum-chip temperature sensors are therefore a genuine alternative to thermistors, which are based on semiconductors.

Platinum-chip temperature sensors, H version, are mainly used for applications at especially high or permanently elevated temperatures. They are particularly suitable for electrical connection through bonding or laser welding procedures, and through hard- soldered joints. The connecting wires are made from pure palladium. The application covers temperatures from -70 to +600°C.


薄膜铂电阻1-1          薄膜铂电阻2-1

Dimensional drawing:

薄膜铂电阻2-2





Standard

N 60 751

Temperature coefficient

= 3.850 x 10-3 °C-1 (between 0 and 100°C)

Temperature range

 -70 to +600°C

Tolerance  

Temperature validity range Class 1/3 DIN B:      -50 to +200°C

Temperature validity range Class A:      -70 to +300°C

Temperature validity range Class B:        -70 to +600°C

Measuring current

maximum current

Pt100 recommended: 1.0mA                     maximum: 7mA

Pt1000 recommended: 0.1mA      maximum: 1mA

Operating conditions

Platinum-chip temperature sensors may not be used unprotected in humid ambient conditions or corrosive atmospheres. They must also not be immersed directly in liquids. The user may have to carry out some checks before operation.

Connecting wires

These temperature sensors feature connecting wires made from pure palladium. The connecting wires are suitable for bonding or laser welding procedures and hard-soldered joints. During further processing, it is essential to ensure that the connections are not subjected to lateral pressures. The horizontal tension on the individual connecting wire must not exceed the maximum value of 6N. Any unnecessary bending of the connecting wires must be avoided as this may result in material fatigue and a wire break.

Measurement point

The nominal value specified refers to the standard connecting wire length L1. The measurement is acquired 2mm from the open end of the wire. If the wire length is altered, changes in resistance will occur which may result in the tolerance class not being met.

Long-term stability

max. R0 drift 0.05%/year

Low-temperature application

Taking into account nominal value drifts and hysteresis effects that may occur within  certain limits, temperature measurements down to -200°C are also possible.

Further details can be obtained on request.

Insulation resistance

>10MΩ at room temperature

Self-heating

t = I2 x R x E

Packaging

Blister belt/bag

Storage

In the standard belt packaging, JUMO temperature sensors, PCA/H style, can be stored  for at least 12 months under normal ambient conditions. It is not permissible to store the sensors in aggressive atmospheres, corrosive media, or in high humidity.


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