Cheap humidity and temperature, Buy Quality humidity temperature data logger directly from China humidity data logger Suppliers: Handheld Professional Humidity and Temperature SD Data Logger with Built-in Internal & External Sensor Probe 0~50 degree C Range
This advanced professional datalogger is a standalone data logger that measures and stores relative humidity (RH) and air temperature (TA) over 20%~90%RH and 0~50°C ( internal sensor ) and -10~70°C ( external sensor probe [direct contact] ) measurement ranges. It directly records data onto standard SD memory card and when full, just exchange SD card for unlimited data storage. Each data set includes temperature, RH, time and date. Data gathered are saved in .txt file, these preformatted data can be uploaded or paste to Excel directly. This well made unit is extremely accurate with fast response times. Also, it has 2 temperature sensors, built-in internal sensor (measures ambient temperature) and external sensor probe (measures temperatures in water or fridge, etc.) Features adjustable RH and TA alarm, maximum logged value and minimum logged value, low battery indicator, real-time display and selectable temperature units (°C/°F). Sampling rate can be adjusted from 1min to 720min according to the user\'s desired logging interval. This well made product is extremely accurate with fast respo