The LD8122 Temperature and Humidity Meter provides high accuracy measurement of Humidity, Temperature, Dew Point and Wet Bulb temperature.  It is combined with a data logger. Users can down and analyze the data and graph easily.  Each meter is fully tested and calibrated in factory before delivery. With proper use, it will provide years of reliable service.

Features:  
                Large LCD with backlight
                High accuracy
                Fast response
                Measures environment/dewpoint/wetbulb temperature simutaneously
                Internal memory: 99 groups of data
                Temperature unit: °C & °F selectable
                MAX/MIN
                Data hold
                Auto power off
                Supper low power consumption

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:  ±2.0 % RH
Resolution:  0.1%RH
Data Logger memory: 64000
Response time:  <10S (90% 25ºC)
Wetbulb range:  -20 ~ 60 °C(-4 ~ 140 °F)
Dewpoint range:  -50 ~ 60 °C(-58 ~ 140 °F)
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