Humidity & Temperature Meter made by York Instruments

Extech RHT10 Humidity / Temperature USB Datalogger New Open Packing

EXTECH SD500 Humidity/Temperature Datalogger

EXTECH Instruments SD500 Humidity/Temperature Datalogger w/ AC adapter & SD card

EXTECH RHT10 HUMIDITY AND TEMPERATURE USB DATALOGGER NEW

Extech 42280 2-Channel Temperature & Humidity USB Datalogger

Non Working RS Pro 1315 Datalogger Thermometer

Extech RHT35 USB Humidity and Temperature Datalogger