Extech Instruments: Psychrometers:

$Refractometers$

	HD500 - Psychrometer with InfraRed Thermometer Combines the functions of a Humidity Meter, Type K Thermometer, and IR Thermometer
	RH490 - Precision Thermometer Highest 2% RH accuracy with Grains Per Pound (GPP) Display
	RH390 - Precision Psychrometer Highest 2% RH accuracy
	RH401 - Digital Psychrometer + InfraRed Thermometer Humidity, Wet bulb, Dew Point, Air Temperature plus IR for Non-contact Temperature measurements
	RH405 - Digital Psychrometer + InfraRed Thermometer Kit Includes a RH401 with 33% and 75% calibration bottles, PC cable, and case
	RH350 - SuperHeat Psychrometer Humidity, Wet bulb, Dew Point, Air Temperature plus External Probe Temperature measurements
	RH300 - Digital PsychrometerRH300 - Digital Psychrometer Humidity, Wet bulb, Dew Point, Air Temperature plus External Probe Temperature measurements