Extech VB300 Vibration Data Logger 3-Axis G-Force USB Datalogger

EXTECH 42270 Temperature And Humidity Logger Unit #2

Extech Flir RHT20 Humidity Temperature Hygrometer Data Logger

Extech RHT10 Humidity And Temperature USB Datalogger

EXTECH Temperature/Humidity Data Logger 42270 COMPLETE WITH CHARGER

Extech RHT10 Humidity / Temperature USB Datalogger

extech instruments hd200 Differential temperature data logger Needs Cleaned

EXTECH Temperature/Humidity Data Logger 42270 COMPLETE WITH CHARGER & MANUAL