The term “CPL Systems TEMPer” typically refers to the TEMPer series of USB hardware thermometers manufactured by PCsensor (RDing Technology), often distributed, integrated, or cross-referenced in industrial automation contexts (such as industrial combustion and multi-zone thermal control setups handled by firms like CPL Systems or CPL Group).
The TEMPer itself is a line of incredibly popular, low-cost, compact USB temperature and humidity data loggers. Key Features of TEMPer Devices
Hardware Profile: They are roughly the size of a standard USB flash drive. Depending on the model, they feature internal ambient sensors, external waterproof probe cables (often using DS18B20 or similar sensors), or dual-sensor arrays.
Driverless HID Interface: Most modern TEMPer devices operate as standard USB Human Interface Devices (HID). This means they use native operating system drivers and do not require complex, specialized driver installations to communicate.
The “TXT” Button Trick: A unique feature of many TEMPer variants is a physical or virtual “TXT” function. If you click into a text field—such as Microsoft Excel, Word, or Notepad—and hold down the device’s button, it will automatically “type” the current temperature directly into your document at set intervals without requiring any software. Software & Ecosystem CPL Systems: Combustion Services & Fired Equipment | ISS
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