The SANSEL PTM 201 Precision Portable Thermometer is a versatile handheld calibration and measurement instrument designed for high-accuracy temperature and analog signal monitoring. Supporting RTD, Thermocouple, Resistance, Voltage, mV, and mA inputs, the PTM 201 is ideal for laboratory verification, industrial maintenance, process monitoring, HVAC systems, and troubleshooting applications. Its 2.8-inch TFT touchscreen, extensive data logging capability, and 16 GB memory provide convenient storage and analysis of measurement records. Built for demanding environments, the PTM 201 combines portability, accuracy, and reliability to support traceable measurements across a wide range of industrial processes.