EXTECH HD550 DATA SHEET

Psychrometer + IR Thermometer with GPP (g/kg)

3-in-1 combination meter

ombines the functions of a Humidity Meter, Type K Thermometer, and InfraRed Thermometer

for non-contact surface Temperature measurement

Features:

• 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

• Includes Windows

Type K bead wire temperature probe, built-in stand, hard carrying case, and 9V battery

compatible software with USB cable,

Patented

Patented non-contact InfraRed Thermometer technology built into a Hygro-Thermometer is perfect for Home inspection applications.

Ordering Information:

HD550 ............Psychrometer with IR Temperature

USB port includes PC Software

Specifications Range Basic Accuracy

InfraRed Thermometer -58 to 932°F (-50 to 500°C) ±2% or ±4°F/2°C Distance to Target Ratio 30:1 Type K Temperature -148 to 2501°F (-100 to 1372°C) ±(1% + 1°C) Air Temperature 14 to 140°F (-10 to 60°C) ±(2% ±4ºF/2°C) RH Range 0 to 100%RH ±2%RH Dew Point -90.4 to 140°F (-68 to 60°C) Wet Bulb -6.88 to 140°F (-21.6 to 60°C) Mixing Ratio 0 to 999GPP (0 to 160g/kg) Dimensions 10 x 2.9 x 2" (255 x 75 x 50mm) Weight 12.3oz (350g)

www.extech.com

2/28/11 - R1