QT-03 Button Temp/RH Logger

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QT-03 series Button Temp/HR logger is used to measure the air temperature and relative humidity or soil temperature. The meter is small in size and has a stainless steel shell.
QT-03 Button Data Loggers are water resistant, powerful, and exceptionally affordable. The QT-03-2 Temperature Logger will log 8,000 measurements, while the QT-03-1 Temp/RH Logger will record 4,000 measurements - 2,000 each for temperature and humidity. They log temperatures features a battery life of up to 10 years, depending on measurement interval. Actual size is 17.35 mm x 5.89 mm.
Features
Water resistant (IP56) stainless steel case
Log4,000 to 8,000 intervals
Internal sensors
Integral non-replaceable battery
Choose from temperature-only or temperature/humidity models
Technical parameters
Model QT-03-1 QT-03-2
Built-in sensors Temp/RH Temperature
Measurement range of Temp -20~+85℃ -40~+85℃
Measurement Accuracy of Temp ±0.6℃（-15~+65℃） ±0.6℃（-15~+65℃）
Measurement range of Humidity 0~100%, ——
Measurement accuracy of Humidity ±5%
Data storage capacity 4000 records 8000 records
IP grade IP56 IP56
Material Stainless steel Stainless steel
Power Built-in battery with 10 yrs of life Built-in battery with 10 yrs of life
Dimension 17.35 mm x 5.89 mm 17.35 mm x 5.89 mm
Origin: China
http://www.channeleco.com/en/Item/Show.asp?m=1&d=1211
http://www.channeleco.com/en/