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ET-931 cheap Humi.& Temp. Meter

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◆ Temperature units: ℃/℉
◆ MAX record
◆ MIN record
◆ Data hold
◆ Dew Point Temperature measurement
◆ Backlight display
◆ Resolution: 0.1%RH, 0.1℃
◆ Calibration function
◆ Low battery indication

Humidity range 0~100%RH
Humidity accuracy 0~20%RH，80%~100%RH ±4.0%
20% ~40%RH，60% ~ 80%RH ±3.0%
40% ~ 60%RH ±2.5%
Temp. range -20℃~70℃(-4℉~158℉)
Temp. accuracy -20℃~70℃(-4℉~158℉) ±1.0℃/

±1.8℉
Dew Point temp. range -20℃~70℃(-4℉~158℉)
Dew Point temp. accuracy 25℃;40%~100%RH ±1.0℃/

±1.8℉)
Display 3 1/2 digits
Data update 1 times/sec
Auto power off Meter automatically shuts down  after approx. 15 minutes inactivity.
Power supply One 9V battery, 006P or  IEC 6F22 or NEDA 1604.
Battery life at least 30 hours
Operating conditions -20℃~70℃，10％RH~90％RH
Storage conditions -20℃~70℃，10％RH~75％RH
Dimension(L*W*H) 151g
Weight: 158*62*32mm

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