Easy Log temperature and humidity data logger EL-USB-2

Apera PH8500-SA Portable pH MeterAlkali/High Salinity Solutions GLP Data Logger

High Quality 3 Phase Energy Meter Data Logger for KWH Meter Power

Easy Log temperature data logger EL-USB-1 battery not included

Rotronic CP11 Indoor Air Quality Meter/Data Logger

Omega HH306A Data Logger Thermometer

Digital multimeter Three-phase energy meter Smart data logger + rogowski coil

Single-Phase Voltage Current Power Data Logger with Current Range 1mA ~ 400A