General description The NR-81533B K Type Sensor is a high-temperature thermocouple designed for precise surface temperature measurements. It operates within a temperature range of -50 to 500℃, making it suitable for various applications in DIY and home improvement projects. Technical specifications Transfer Type: K Temperature Range: -50 to 500℃ Probe Diameter: 15mm / 0.6inch Probe Length: 150mm / 5.9inch Handle Length: 130mm / 5.1inch Cable Length: Approx. 150cm / 59inch Spiral Type Fork Terminal Spacing: 5.5mm / 0.2inch Material: Metal Color: Black + Silver Package contents 4 x Thermocouple Probe - 81533B Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.