EXTECH BATT-37V : 3.7V Li-Ion Rechargeable Battery
EXTECH RH300 : Hygro-Thermometer Psychrometer
EXTECH TP890 : Thermistor probe (-4 to 158¡ãF)
EXTECH RH350 : Dual Input Hygro-Thermometer
EXTECH RH390 : Precision Psychrometer
EXTECH RH401 : Digital Psychrometer + InfraRed Thermometer
EXTECH RH490 : Precision Hygro-Thermometer
EXTECH RHT3 : EzSmart™ Hygro-Thermometer
EXTECH RHT510 : Hygro-Thermometer Psychrometer
