PTD-50-M-04

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PTDs, or platinum resistance thermometers, are electronic temperature measuring devices. They offer a very stable and precise solution for monitoring temperatures in a variety of industrial and laboratory applications. PTDs consist of a platinum wire in a temperature chamber, that is connected to an amplifier/voltmeter and a temperature probe. The amplifier/voltmeter measures the voltage across the platinum wire, which is proportional to the temperature inside the temperature chamber.

The PTD-50-M-04 is a platinum resistance thermometer with a temperature range from -50 to +400°C. It has an integrated amplifier/voltmeter and is calibrated according to DIN/EN60 751. It has a miniaturized stainless steel housing, which makes it suitable for applications where space is limited. A stirring mechanism is also available to ensure homogeneous temperature distribution within the chamber. The PTD-50-M-04 uses a 2-wire technology with a 4-20mA current loop, that is connected to an external power source.

One of the most popular uses for a PTD-50-M-04 is to monitor temperatures in a variety of industrial processes. It can be used to monitor temperatures in the piping and tubing used in oil and gas production, as well as in steam systems and other hot-water systems. It can also be used to monitor temperatures in air-conditioning systems and in pumps, compressors and motors. Another popular application is for monitoring temperatures in industrial ovens, as the PTD-50-M-04 is able to maintain a steady and precise temperature inside the chamber.

In addition to its industrial uses, the PTD-50-M-04 can be used for medical applications. It can be used to monitor patient temperatures, as well as in medical refrigerators and incubators. It is also ideal for laboratory applications, such as measuring temperatures in incubators and for temperature controlling liquids and gases.

The working principle of the PTD-50-M-04 is based on the fact that the resistance of a platinum wire is directly proportional to its temperature. The resistance of a 200mm length of Pt100 platinum wire is 0.385 Ohms at 0°C and 43.8 Ohms at 100°C. The voltage across the platinum wire is amplified by a built-in amplifier and voltage meter, and is then converted into a 4-20mA signal which can then be monitored and or controlled using an external power source. The 4-20mA signal can be fed to a variety of external devices, such as data loggers, controllers, displays and alarms, for example.

In summary, the PTD-50-M-04 is a stable, accurate and reliable temperature measuring device ideal for a wide range of industrial and laboratory applications. It has a temperature range from -50 to +400°C, and is calibrated according to DIN/EN60 751. It is easy to install and is compatible with a variety of external devices. Finally, the PTD-50-M-04 uses a 2-wire technology with a 4-20mA current loop, which is connected to an external power source, to ensure a precise and reliable temperature measurement.

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