Temperature Datalogger Model : TM306U

Features : 

• Measure ºF / ºC Temperature
• Datalogging up to 50,000 records
• Fast USB download
• Easy- to-Use PC software for parameter settings and data analysis
• Internal Temperature alarm
• Monitoring Storage’s Temperature

Specifications : 

Display  : 3 digits LCD
Measurement Range : -40 to 85ºC ( -40 ~ 185ºF)
Accuracy : ±1.2 ºF (0.6ºC) from -4 to122ºF (-20~50ºC)
Resolution : Red LED of Alarm, greed LED of Record
LED Status  : 0.1ºC
Sampling Rate  : 1 time/3 seconds
Battery : One 3.6V ½ AA lithium battery
Battery Lift : 1 year.
External Power Supply  :  5 VDC with 0.5A
Operating Temp. & Humidity  : -40 to 85ºC(-40~185ºF),
0-95%, RH, non-condensing