The Difference between XQ, XP, XG, & XL Thermal Sensors
A common question that is asked is, "What's the difference between the XQ, XP, XG, & XL?" Below is a chart that breaks down some of the key differences amongst the different thermal sensors.
In this chart, the Thermion 2 LRF is used as the example.
THERMION 2 LRF | XQ | XP | XG | XL |
Sensor Resolution | 384x288 pixels | 640x480 pixels | 640x480 pixels | 1024x768 pixels |
NETD | < 25 mK | < 25 mK | < 40 mK | < 35 mK |
Pixel Pitch | 17 µm | 17 µm | 12 µm | 12 µm |
Magnification | 3 – 12 | 2 – 16 | 3 - 24 | 1.75 – 14 |
Detection Range | 1800 m | 1800 m | 2300 m | 2300 m |
What do these differences mean? Here's a break down of each category,
Sensor Resolution - This refers to the amount of pixels that your thermal sensor is able to produce. The higher amount of pixels will provide a higher quality image.
NETD (mK) - This is known as Noise Equivalent Temperature Difference, and is measured in the milliKelvin value. In simpler terms, this is the unit's Thermal Sensitivity. The lower the number, the greater variance in temperature you will be able to see.
Pixel Pitch (µm) - This number refers to the size of the pixels. To simplify, lower pixel pitch create a higher quality image, and higher pixel pitch will create a more finer detailed image. Pixel pitch is interlinked in many ways to the NETD (mK), which can be seen displayed on the chart.
Magnification - The magnification of the unit refers to the base and maximum magnification provided within the Thermal unit. Lower base magnifications will provide the largest field of view.
Detection Range - This refers to the range of which your thermal unit is able to detect a heat source.
*If you have any questions or concerns about any of these topics or others about Pulsar products, please feel free to Contact us.
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