Compact infrared thermometer includes new features
A non-contact temperature measurement device suitable for spot measurement or thermal imaging now offers a number of improved parameters, including a low bottom temperature of 275 °C and a maximum ambient temperature of up to 315 °C without cooling. The new device also offers a green sighting laser.
The CTratio infrared thermometer was launched by Instrotech, local representatives of Optris, manufacturers of non-contact temperature measurement devices.
A point measuring infrared thermometer is used if the position of the critical point or the area to be measured within the application, is known. The size of the measuring object defines which lens is necessary.
Infrared cameras are used in cases where more than one critical area exists, or the area cannot be clearly defined. Critical areas can be localised by the camera through the use of thermal images. The areas can then be constantly monitored by one or multiple fixed infrared thermometers.
The condition of the object surface defines the measurement device and wavelength to be used for the application. The emissivity, or Ɛ, is regarded as occupying a central position. The choice of the right device is particularly important for metals, where the emissivity depends on the temperature and wavelength. The Optris product range aims to offer appropriate measurement devices for most applications.
The measurement range of the available devices is -50 °C to 3 000 °C. The temperature range relevant to a specific application is seen as an important consideration when selecting a device.
Short wavelengths reduce measurement errors on surfaces with low, unknown or changing emissivity, which occurs mostly with metals. In order to achieve accurate temperature measurements, it is important to know how fast measuring objects are moving in front of the sensor, or how fast they change temperature. The fastest Optris infrared thermometer captures changes within 1 ms.
The temperature sensors can be installed as part of the process, with the use of mounting brackets or flanges. Depending on the device, Optris offers analog or digital interfaces for data evaluation such as triggering, alerting or saving of data.
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