Lutron 3 Function Solar Power BTU Meter (SPM-1116SD) Data Logging
[SPM-1116SD]
$399.95 $295.00

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/m^2 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 %.
Range Resolution
Solar Power Range 2000 W/m^20.1 W/m^2 at less than 1000 W/m^2
1 W/m^2 at greater than 1000 W/m^2
634 BTU/(ft^2xh) 0.1 BTU/(ft^2xh) at less than 317 BTU/(ft^2xh)
1 BTU/(ft^2xh) at greater than 317 BTU/(ft^2xh)
  • Accuracy:
    • within 10 W/m^2.
    • 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

  • SD Card (1 to 16 GB).
  • AC to DC 9V adapter.
  • USB power to DC 9V converter, USBP-59.
  • USB cable, USB-01.
  • RS232 cable, UPCB-02.
  • Data acquisition software, SW-U801-WIN.

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


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