Work environment： Temperature -10℃～50℃
Relative humidity 0～95%RH
Display mode： Large-screen LCD 128×64
Measuring range： Temperature -10℃～50℃ Water activity 0～1.000aw
Measurement accuracy：Temperature ±0.5℃
Water activity ±0.012aw（@23℃±5℃）
Repeatability： ≤0.008aw
Measurement time：①5～40min
②automatic measurement
Resolution: Water activity: 0.001aw Temperature: 0.1 C
It can circularly record 5,000 sets of measured data
Correction mode: multi-point joint calibration, single-point calibration
Interface: RS232 interface or USB interface
Configuration: data cable、micro printer（option）
Supply voltage：100～ 230VAC±10% 50Hz/60Hz
Power consumption：≤10W