Solar Power BTU Meter 3 Function (SPM-1116SD) DataLogging

Lutron 3 Function Solar Power Meter with Data Logging.

• 3 functions : Solar power, Power integration, Transmission.
• Wide spectral range.
• Excellent long term stability.
• Select either W/m2 or BTU/(ft^2xh) power units.
• Cosine corrected.
• Separate probe, easy for operation of different measurement environment.
• Both meter and probe are equipped with tripod mounts
• Real time Datalogger
  • internal memory device (EEPROM) can record 16,000 items.
  • external memory device (SD memory card), Real time Datalogger, with Built-in Clock and Calendar, real time data recorder (sampling time set from 1 second to 3600 seconds).
• Manual datalogging is available when you set the sampling time to 0 seconds
• After readings are recorded with datalogger, remove the SD card from the meter and put into SD card reader slot in a computer to download measurements with the timestamp information (year/month/date/hour/minute/second) to a spreadsheet.
• SD card capacity: 1 GB to 16 GB.
• Auto power off (can be disabled).
• Data hold, record max. and min. reading.
• Microcomputer circuit for high repeatability.
• Powered by (6) AA (UM3) 1.5v alkaline batteries or DC 9V adapter.
• RS232/USB PC COMPUTER interface.

Specifications:

• Circuit Custom one-chip of microprocessor LSI circuit.
• Display LCD size: 52 mm x 38 mm, LCD with green backlight (on/off).
• Spectral response: 400 to 1100nm.
• Solar transmission: in %.

• Accuracy:
  • within 10 W/m2.
  • within 3 BTU/(ft^2xh).
  • or within 5% of reading in sunlight.
• Angular accuracy: Cosine corrected less than 5% for angles less than 60°.
• Operating Temperature: 32° F to 122° F (0° to 50° C).
  NOTE most batteries are not rated for below -4° F or above 125° F.
• Operating Humidity: less than 85% RH non-condensing.
• Weight: approximately 12.4 ounces (346 g).
• Dimensions: 7.1 x 2.9 x 1.9 inches (182 x 73 x 47.5 mm).

Optional Accessories

• 16gB SD Memory Card SD-16GB.
• USB to 9v DC power cable USBP-59.
• 110v AC to 9v DC adapter AP-9V110.
• Lutron Data Acquisition Software for Windows SW-U801-WIN.
• Lutron USB Data Acquisition Cable with Driver USB-01.

Download Users Manual (PDF format)

Link to the technical data sheet that is provided for Lutron spm-1116sd

Applications include: Meteorology, agriculture, solar radiation measurement, solar power research, physics and optical laboratories, solar transmission measurement identify high performance windows