Extech Psychrometer and 8:1 InfraRed Thermometer (RH401)

Features

• IR thermometer for non-contact temperature measurements
• Triple display with back-lighting displays: Air temp+RH+surface temp, Dew point+RH+surface temp and Wet bulb+RH+surface temp
• Calculates T1-DP, (IR surface temperature)-(Dew point) differential
• Data hold and auto power off
• Built-in RS-232 interface (Optional 407752 software & cable) - captures readings to a PC using windows hyperterminal
• Complete with 4 AAA batteries and carrying case

This precision psychrometer with an IR thermometer has an aspect ratio of 8:1 and accurately measures air temp, relative humidity, surface temp, dew point and wet bulb. With a built in interface so you can connect and upload information to your computer and easily see information and trends. This meter also calculates surface temperature and dew point differential.

Specifications

• Humidity 10 to 90%RH
• Max Resolution (Humidity) 0.1% RH
• Basic Accuracy (Humidity) ±3% RH
• Temperature (Internal) -4 to 122°F (-20 to 50°C)
• Max Resolution (Internal) 0.1°
• Basic Accuracy (Internal) ±1.8°F or ±1°C
• Temperature (external) -328 to 2498°F (-200 to 1370°C)
• Max Resolution (external) 0.1°
• Basic Accuracy (external) ±0.3% or ±1.8°F/±1°C
• IR Temperature Range -40 to 932F (-40 to 500C)
• Dew Point -90.4 to 122°F (-68.0 to 49.9°C)
• Wet Bulb -6.9 to 122°F (-21.6 to 49.9°C)
• Dimensions 9 x 2.2 x 1.7" (230 x 57 x 44mm)
• Weight 5.3oz (153g)

Unit Ship Weight: 2 lbs