In industrial automation, precise temperature measurement is key to ensuring efficiency, safety, and quality in every process. Among the most reliable solutions available, Calex’s PyroUSB and PyroMiniUSB infrared sensors stand out for their versatility and ease of use. However, choosing the right model depends on the specific needs of your application.
PyroUSB: Industrial precision with analog output and USB connectivity
The PyroUSB is a compact infrared temperature sensor featuring a 4–20 mA analog output, making it ideal for direct integration into industrial control systems. It also includes a USB port that allows full configuration via Calex’s free software—no additional power supply required during setup.
Through the USB interface, users can visualize temperature data in real time, acquire and log measurements, and configure on-screen alarms. Key parameters such as temperature range, emissivity, signal filtering, and peak/valley hold functions can be easily adjusted to match different surfaces and environmental conditions.
The PyroUSB is available in two versions:
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For non-reflective surfaces such as non-metals or painted metals.
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For steel surfaces, capable of measuring temperatures from -40°C up to 2000°C, depending on the model.
Thanks to its robust design and wide measurement range, the PyroUSB is perfect for demanding industrial applications that require a reliable analog signal combined with flexible digital configuration options.
PyroMiniUSB: Compact, affordable, and ideal for labs and test environments
The success of the PyroUSB among laboratories, universities, and testing facilities led Calex to design a more compact and cost-effective version: the PyroMiniUSB. This model maintains the same industrial-grade quality as the PyroUSB but operates solely via USB, without a 4–20 mA output.
Its smaller size and simple integration make it ideal for research, educational, and OEM applications where an analog output is not needed. Despite its compact form, the PyroMiniUSB offers precise measurement over a range of -20°C to 1000°C, meeting strict EMC standards for electrical equipment used in measurement, control, and laboratory environments.
Which one should you choose?
Your choice between PyroUSB and PyroMiniUSB depends on your application:
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Choose PyroUSB if you need integration with industrial control systems and a 4–20 mA analog output.
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Choose PyroMiniUSB if you’re looking for a compact, cost-effective, and USB-only solution for laboratory, educational, or OEM use.
Both sensors deliver exceptional accuracy, durability, and compliance with international standards for measurement and control equipment—ensuring reliable performance in any setting.
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