Doric Scientific 450-ET Digital Thermometer The Doric Scientific 450-ET Digital Thermometer is a highly accurate and reliable handheld instrument designed for precise temperature measurements across various applications. Utilizing a patented noise-reduction circuit, it delivers the repeatability and accuracy typically found in line-powered benchtop units. Key Features High Accuracy: Achieves ±0.1% accuracy, ensuring dependable readings for critical measurements. Dual Resolution: Offers switchable 1° and 0.1° resolutions, with 0.1° resolution up to 399.0°F (203.0°C), catering to diverse measurement needs. Extended Battery Life: Operates for over 2000 hours on a single 9V battery, minimizing downtime and maintenance. Sensor Compatibility: Compatible with multiple sensor types, including Thermocouples (J, K, T, E), Platinum RTD 100? 0.00385, and Thermistor YSI 400, providing versatility for various applications. Temperature Unit Selection: Easily switch between Fahrenheit and Celsius units via the front panel to suit user preferences. Data Hold Function: Freezes the displayed reading, allowing for safe viewing away from hazardous measurement locations. Large LCD Display: Features a 0.3-inch (8mm) LCD display that is easy to read in all lighting conditions. General Specifications Display: 0.3″ (8mm) LCD Resolution: 1°/0.1°F and °C Linearization: 100% digital in custom ASIC Reference Junction Tracking: ±0.03°/°C (5–45°C); ±0.05°/°F (41–113°F) Operating Temperature Range: 0–50°C (32–122°F) Battery Type/Life: 9V NEDA #1604 (included); Thermocouple: 2000 hours; RTD: 500 hours; Thermistor: 1200 hours Dimensions (H x W x D): 5.7″ x 3.3″ x 1.8″ (144mm x 85mm x 45mm) Weight: 9 oz. (255 g) Accuracy Thermocouple Accuracy: 1°C Range: ±0.1% reading, ±0.8°C 1°F Range: ±0.1% reading, ±1.4°F 0.1°C Range: ±0.1% reading, ±0.3°C 0.1°F Range: ±0.1% reading, ±0.45°F RTD Accuracy: 1°C Range: ±0.1% reading, ±0.8°C 1°F Range: ±0.1% reading, ±1.4°F 0.1°C Range: ±0.1% reading, ±0.25°C 0.1°F Range: ±0.1% reading, ±0.45°F Thermistor Accuracy: 0.1°C Range: ±0.1% reading, ±0.25°C 0.1°F Range: ±0.1% reading, ±0.45°F The Doric Scientific 450-ET Digital Thermometer stands out as a versatile and dependable tool for professionals requiring precise temperature measurements in various environments.