I. Product Features: Measurement range: -50.0℃ ～ 1370.0℃ / 58.0℉ ～ 2498.0℉ Single-chip microcomputer software control, precise and reliable, no drift Temperature units selectable: °C / °F / K Value locking function Automatic gear shifting / maximum value / minimum value / average value Fast sampling speed, automatic temperature compensation Low power display and automatic shutdown function Integrated rear bracket with shock protection cover Dual-ended input T1 and T2: Temperature difference reading of T1-T2 II. Technical Specifications: Display: 5-digit digital LCD display, maximum display 88888 Measurement Range: -50.0℃ ～ 1370.0℃ / 58.0℉ ～ 2498.0℉ Resolution: 0.1℃/0.1℉ Accuracy: 0.1% ± 0.4° (excluding probe error) Storage Environment: -10 ～ 50℃ (-14 ～ 122℉), humidity 80% Operating Environment: -10 ～ 50℃ (-14 ～ 122℉), 0 ～ 70%RH Power Supply: Single 6F22 9V battery Instrument Size: 156×75×40mm / 6.14*2.95*1.57 inches Packaging Size: 164*101*50mm / 6.46*3.98*1.97 inches Dual-channel independent temperature measurement: Equipped with a dual-channel design, it can simultaneously connect two K-type thermocouple sensors to independently measure and display the temperatures at two different locations or objects. This feature significantly improves the measurement efficiency, facilitating users to obtain multiple sets of temperature data at the same time, and is suitable for complex scenarios requiring multi-point monitoring. Wide measurement range and high precision: The temperature measurement range is wide, with the main measurement range reaching -50°C to 1300°C. Combined with the temperature clamp, the measurement range can also reach -20°C to 200°C, meeting the temperature measurement requirements of various high-temperature environments. At the same time, based on microcontroller control, it ensures high measurement accuracy, with an accuracy of ±0.5% (excluding the sensor), providing users with accurate and reliable temperature data. Multifunctional display and operation: It adopts a large-screen digital display, clearly and intuitively presenting the temperature values. It has multiple function buttons, such as power switch, data retention, maximum/minimum/average value measurement functions, etc., making the operation simple and convenient. Additionally, it supports the switching between Celsius and Fahrenheit, meeting the usage habits of different users. High-quality design: The product is manufactured with high-quality materials. There is a detachable silicone sleeve on the host unit for protection, with excellent shockproof and vibration resistance performance, effectively preventing damage caused by accidental drops and collisions, and extending the equipment's service life. At the same time, the equipment is adaptable to various working environments and can operate stably within a certain temperature and humidity range. Widely applicable scenarios: It is suitable for numerous high-temperature measurement scenarios, such as temperature monitoring in steel furnaces, high-temperature experiments in laboratories, temperature measurement related to liquid hydrogen, circuit board inspection, temperature measurement of high-temperature liquids, and temperature monitoring of workshop assembly lines. With its professional temperature measurement performance and convenient operation method, it has become an indispensable temperature measurement tool in industries and research fields.