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Extech Instruments Psychrometer RH300$20.00
TESTED WORKING EXTECH PSYCHROMETER RH300 - $39.99
EXTECH RH25 Heat Index Psychrometer, 4 to 122 F 20LK14$121.79
Extech RH300 Digital Psychrometer Hygrometer, 32-122°F (0-50°C) Range$85.00
EXTECH HD500 Psychrometer with 30:1 Infrared Thermometer$99.99
EXTECH HD500 - Psychrometer with 30:1 Infrared Thermometer$170.00
Extech Instruments Digital Psychrometer RH300$50.00
EXTECH HD500 - Psychrometer with 30:1 Infrared Thermometer$123.45As an eBay Partner, userbars.org may earn a commission from qualifying purchases.