The Extech 42515 Laser and Thermocouple Thermometer features a 13:1 distance to target ratio with best in class accuracy and response time. Capable of measuring temperatures between -58 Degrees F to 1472 Degrees F or -50 Degrees C to 800 Degrees C. Useful in a wide variety of applications such as: fire safety and protection, HVAC/R, automotive and quality control, electrical, and industrial maintenance.