Home > Extech >   Extech RH401 Digital Psychrometer + InfraRed Thermometer

Digital Psychrometer + InfraRed Thermometer Humidity, Wet bulb, Dew Point, Air Temperature plus IR for Non-contact Temperature measurements Features: Triple display with backlighting View Air temp+RH+surface temp View Dew Point+RH+surface temp View Wet Bulb+RH+surface temp InfraRed Thermometer with Built-in laser pointer 8:1 distance to target ratio Adjustable Emissivity from 0.3 to 1.0 Precision humidity capacitance sensor is retractable for protection during transportation and storage Calculates T1 (IR Surface Temperature) - DP (Dew Point) differential Programmable Auto power off and Low battery indication Over-reange/under-range alert indicator Built-in RS-232 interface for capturing readings on a PC RH401 completer with 4 AAA batteries and carrying case Optional RH405 kit includes meter, 33% and 75% calibration bottles, RS-232 cable, 4 AAA batteries and carrying case. Applications: Monitor Wet Bulb, Dew Point, Relative Humidity and Temperature in factories, clean rooms, offices, and greenhouses Non-contact InfraRed surface temperature measurements in hard to reach areas such as heating and air conditioning duct Humdity monitoring in schools, offices and manufacturing or storage areas Specifications Range Max Resolution Basic Accuracy Humidity 10 to 90%RH 0.1%RH ±3%RH InfraRed Temperature -40 to 932°F (-40 to 500°C) 0.1° ±3% Air Temperature -4 to 122°F (-20 to 50°C) 0.1° ±3% 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) Emissivity Adjustable 0.3 to 0.99 Field of View 8:1 Dimensions/ Weight 6.8x2.7x1.9” (175x70x50mm)/ 4.9oz (140g)   Item# Item Name Starts at Qty Add EXT-407752RH Extech 407752 RS-232 PC cable and software for RH401 $49.99 EXT-RH401-CAL Extech RH401 33% and 75% RH calibration reference $49.99 EXT-RH401 Extech RH401 Digital Psychrometer + InfraRed Thermometer $179.99 EXT-RH405 Extech RH405 Digital Psychrometer + InfraRed Thermometer Kit $209.99 Check the items you wish to purchase, then click

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