RD2680 Precision Dew Point Meter
Introduction：
It is a high-precision professional dew point meter. It is able to measure Ambient Temperature, Dew Point Temperature, Wet Bulb Temperature, Relative Humidity, Absolute Humidity, PPMv, Saturated Vapor Pressure, Vapor Pressure, Mixing Ratio, Specific Enthalpy. Widely used in laboratories, precision manufacturing, modern agriculture, meteorological measurement, chemical and pharmaceutical, power industry, HVAC and other temperature and humidity monitoring occasions.
Features：
• Large color LCD with display. It can display multiple values at the same time.
• Ambient Temperature measurement.
• Dew Point Temperature measurement.
• Wet Bulb Temperature measurement.
• Relative Humidity measurement.
• Absolute Humidity measurement.
• PPMv measurement.
• Vapor Pressure measurement.
• Saturated Vapor Pressure measurement.
• Mixing Ratio measurement.
• Specific Enthalpy measurement.
• Temperature unit (°F/°C).
• 0.01 high resolution.
• High accuracy.
• With real-time graph display function.
• With data storage and view functions.
• With maximum and minimum values function.
• With the displayed values hold function.
• With battery indication function.
• With automatic power off function.
Specifications：
|
Display
|
Color LCD
|
|
Test Parameters
|
Ambient Temperature, Dew Point Temperature,
Wet Bulb Temperature, Relative Humidity,
Absolute Humidity, PPMv,
Saturated Vapor Pressure, Vapor Pressure,
Mixing Ratio, Specific Enthalpy
|
|
Ambient Temperature
|
Range
|
-40~125°C (-40~257°F)
|
|
Accuracy
|
±0.1°C (0~50°C)
±0.15°C (Other)
|
|
Resolution
|
0.01
|
|
Relative Humidity
|
Range
|
0~100%RH
|
|
Accuracy
|
±0.7%RH (0~70%RH)
±1.5%RH (Other)
|
|
Resolution
|
0.01
|
|
Dew Point
Temperature
|
Range
|
-45~60°C (-49~140°F)
|
|
Accuracy
|
±1°C (-10~60°C)
±(1.5+2%Num)°C (-30~-10°C)
±2.5°C (Other)
|
|
Resolution
|
0.01
|
|
Wet Bulb
Temperature
|
Range
|
-5~60°C (23~140°F)
|
|
Accuracy
|
±0.5°C
|
|
Resolution
|
0.01
|
|
Absolute Humidity
|
Range
|
0-300g/m³
|
|
Accuracy
|
±(0.2+3%Num)g/m³
|
|
Resolution
|
0.01
|
|
PPM
|
Range
|
100~240000
|
|
Accuracy
|
±(30+7%Num)
|
|
Resolution
|
1
|
|
Saturated Vapor
Pressure
|
Range
|
0~500hPa
|
|
Accuracy
|
±1%Num
|
|
Resolution
|
0.01
|
|
Vapor Pressure
|
Range
|
0~500hPa
|
|
Accuracy
|
±1%Num
|
|
Resolution
|
0.01
|
|
Mixing Ratio
|
Range
|
0~600g/kg
|
|
Accuracy
|
±2%Num
|
|
Resolution
|
0.01
|
|
Specific Enthalpy
|
Range
|
0~1500kJ/kg
|
|
Accuracy
|
±2%Num
|
|
Resolution
|
0.01
|
|
Temp. Unit
|
°C/°F
|
|
Data Storage
|
99 Groups (A Total of 990 Data)
|
|
Graph Display
|
Ambient Temperature, Dew Point Temperature,
Wet Bulb Temperature, Relative Humidity,
Absolute Humidity
|
|
Auto Power Off
|
10 Minutes (No Operation)
|
|
Operating Conditions
|
Temperature
|
0~50°C (32~122°F)
|
|
Humidity
|
0~90%RH (No condensation)
|
|
Storage
Conditions
|
Temperature
|
-10~50°C (14~122°F)
|
|
Humidity
|
0~95%RH (No condensation)
|
|
Power Supply
|
4×1.5V AAA(UM-4) Battery
|
|
Size
|
205×80×31mm
|
|
Weight
|
162g (Not Including Batteries)
|
Standard Accessories：
|
Main Unit
|
1
|
|
Manual
|
1
|
|
Carrying Case
|
1
|
The warranty period is 12 months
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