Wet bulb, dry bulb, dew point, and %RH are shown on the backlight, dual display, and measurements can be taken either in the duct, or while walking around. Helps calculate target superheat.

• Use for walk around testing or in-duct analysis
• Clips to your pocket
• Narrow tip for insertion into ductwork
• Twist cap protects sensors when not in use
• Hold/MAX/MIN

Specifications:

• Probe size: 2" long, 0.38" diameter
• Temperature range: -4 to 140°F, 0.1°F resolution, ±2% accuracy
• Relative Humidity: 15-90%, 1.0% RH resolution, ±3% accuracy in 30-80% RH range, ±5% accuracy <30% RH, >80% RH
• Battery: 1 AA battery, included
• Auto off: 10 minutes