Introduction Congratulations on your purchase of the Extech SDL400 Light Meter. This meter displays and stores light meter readings in three ranges: 2,000 / 20,000 / 100,000 LUX or Foot candles from the supplied domed light sensor. The meter automatically ranges light meter measurements and the light sensor spectrum meets C.I.E.
LCD. To change the unit of measure, press and hold the UNIT button until the desired unit of measure appears and then release the UNIT button. The available temperature measurement units are °C and °F. Contact SDL400-en-GB_V1.6 12/14 www.ponpe.com sale@ponpe.com...
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Data Hold To freeze a displayed reading on the LCD, momentarily press the HOLD button (the HOLD display icon will appear above the held reading). To release the held reading press the HOLD button again. SDL400-en-GB_V1.6 12/14 Contact www.ponpe.com sale@ponpe.com...
Press the ENTER button to confirm the entry. Press and hold the SET button for at least 1.5 seconds to exit to the normal operation mode (or simply wait 7 seconds for the meter to automatically switch to the normal operating mode). Contact SDL400-en-GB_V1.6 12/14 www.ponpe.com sale@ponpe.com...
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Press ENTER again to re-confirm. The meter will automatically return to the normal operating mode when formatting is complete. If not, press and hold the SET button for at least 1.5 seconds to exit to the normal operation mode. Contact SDL400-en-GB_V1.6 12/14 www.ponpe.com sale@ponpe.com...
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To exit the MAX-MIN mode, press and hold the MAX-MIN button for at least 1.5 seconds. The meter will beep, the REC-MAX-MIN icons will switch off, the MAX-MIN memory will clear, and the meter will return to the normal operating mode. Contact SDL400-en-GB_V1.6 12/14 www.ponpe.com sale@ponpe.com...
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Use the ▲ and ▼ buttons to select one of the 99 data memory positions in which to record. To exit the manual datalogging mode, press and hold the LOG button for at least 1.5 seconds. The Pn icon will switch off. SDL400-en-GB_V1.6 12/14 Contact www.ponpe.com...
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SD card adaptor (available at most outlets where computer accessories are sold). Power on the PC and run a spreadsheet software program. Open the saved documents in the spreadsheet software program (see example spreadsheet data screen below). Contact SDL400-en-GB_V1.6 12/14 www.ponpe.com sale@ponpe.com...
For streaming of data to a PC via the RS232 Output jack, the optional 407001-USB kit (RS232 to USB cable and driver CD) along with the 407001 software (available free at www.extech.com/sdl400) are required. AC Power Adaptor This meter is normally powered by six (6) 1.5V ‘AA’ batteries. An optional 9V power adaptor is available.
Normal operation (backlight & datalogger OFF): approx. 6.5mAdc With backlight OFF and datalogging ON: approx. 30mAdc With backlight ON add approx. 16mAdc Weight 346g (0.76 lbs.) meter only Dimensions Main instrument: 182 x 73 x 47.5mm (7.1 x 2.9 x 1.9”) SDL400-en-GB_V1.6 12/14 Contact www.ponpe.com sale@ponpe.com...
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