LUTRON SPM-1116SD LOTRON Solar Meter This device is used to measure solar radiation  suitable for agricultural, greenhouse, medical, environmental, solar, optics laboratories, window and air conditioning applications. Also, this product is manufactured by lotron Taiwan and has a one-year warranty. Technical specifications of the lotron solommer model SPM-1116SD: Measuring capability: 2000 w / m ^ 2 with 3 capabilities: Solar power, power integration and dedicated transceiver, suitable for a variety of memory card outputs. Excel file ready for data analysis Adjustable handheld data logger from 1 to 3600 points for different locations up to 99 locations.

Features

• Real time recorder, save the data into the SD memory card and can be downloaded to the Excel, extra software is no need
• Wide spectral range, long term stability, cosine correction
• Range: 2000 W/m2, 634 Btu/ (ft2 x h)
• Spectral response: 400 to 1100 nm
• 3 Function: Solar Power, Power Integration, Transmission
• Cosine corrected
• Both meter and sensor probe are built-in the tripod fix nut, easy installation
• Separate probe, easy for operation of different measurement environments
• Data hold, Record (Max, Min)
• SD card capacity: 1 GB to 16 GB, SD card is  optional
• RS-232/USB computer interface
• Application: solar radiation measurement, solar power research, physics and optical laboratories solar transmission measurement

Resolution: 

<1000W / m², resolution 0.1W / m² 
≧ 1000W / m², resolution 1W / m² 
<317 Btu / (ft²xh), 0.1Btu / (ft²xh) 
≧ 317 Btu / (ft²xh), 1Btu / ( ft²xh) 
☆ Accuracy: ± 10W / m², ± 3Btu / (ft²xh) or ± 5% of reading 
☆ Accuracy of angle measurement: cosine correction accuracy <5% at <60 ° 

☆ Sampling time 1 second 
☆ Operating temperature 0-50 ℃ 
☆ power may be applied (optional) 
☆ reading lock / maximum / minimum function 

☆ Integrated SD card record function, and records the time / date 
automatic sampling time can be set 1-3600 seconds 
can be set manually record

Specifications:

• Solar Power
• Transmission (%)
• Solar Power Integration.
• Spectral Response : 400 to 1000 nm
• Solar Range to 2000 W/m^2, 634 Btu/( ft^2 x h )
• Built In Data Logger with output on SD Card
• SD Card directly connects to PC in Excel
• Data Hold, Memory Recall
• Clock Setting
• Zero Adjust
• Cosine correction