Extech HD550-NISTL Calibrated Psychrometer IR Temperature and Humidity Meter

• Combines the functions of a Humidity Meter, Type K Thermometer, and InfraRed Thermometer for non-contact surface Temperature measurement.
• Water vapor in GPP (grains per pound)/g/kg (grams per kilogram)
• Built-in InfraRed Thermometer for non-contact temperature measurement to 932°F (500°C) with 30:1 distance to target ratio
• Type K Temperature function for contact temperature measurement to 2501°F (1372°C)
• Highest 2% RH accuracy
• Heavy Duty rugged double molded housing with large triple LCD backlit display
• Auto power off
• USB port includes PC software
• Windows compatible software with USB cable, Type K bead wire temperature probe (-22 to 572°F/-30 to 300°C), built-in stand, hard carrying case, 9V battery and Limited NIST Certificate: Product is certified to all functions except IR Thermometer

Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.