The Multifunctional Digital Temperature and Humidity Meter LD8123 is powered by a 9V Battery, provides high accuracy measurement of Humidity, Temperature, Dew Point and Wet Bulb temperature. Equipped with a data-logging function,  it can record 32000 data of each Temperature and Humidity. Free smart software is included.  Users can download and analyze the data via PC software. 


Features:  
                2 in 1 tester: Type-K Thermometer & Hygrometer.
                Large LCD with backlight
                High accuracy
                Fast response
                Measures environment/dewpoint/wet-bulb temperature simultaneously
                Internal memory: 99 groups of data
                Temperature unit: °C & °F selectable
                MAX/MIN
                Data hold
                Auto power off
                Super low power consumption
                External 9V DC power supply  
                Data logging and USB interface 

Specifications:
Temperature range:  -20~60°C(-4~140°F)
Basic accuracy:  ±0.5 °C (±1.0 °F) 
Resolution:  0.01°C/°F
Sampling rate:  3 times per second
Relative humidity range:  0~100%RH
Basic accuracy:  ±2.2 % RH
Resolution:  0.1%RH
Response time:  <10S (90% 25ºC)
Wetbulb range:  -20 ~ 60 °C(-4 ~ 140 °F)
Dewpoint range:  -50 ~ 60 °C(-58 ~ 140 °F)
Type K thermocouple Range:-100~1372°C(-148~2501°F)
Accuracy: ± (1% ±1°C)
Resolution:0.01°C/°F,0.1°C/°F,1°C/°F according to reading
Internal memory:  99 groups of data
Power:  1*9V battery  
Data logger memory:  32000 data 
Operation condition:  0 ~ 40°C,< 80% RH non-condensing
Storage condition:  -10~ 60°C,<80% RH non-condensing
Weight:  200g
Dimension:  215*58*33mm
Packing: 20pcs/CTN, carton size: 51*34*27cm, GW:10kgs, GW:10kgs