Extech 401027 - Manuals

401027-EU-EN v2.2 10/13 2 Introduction Congratulations on your purchase of the Extech Pocket Foot Candle Light Meter which measures and displays light intensity in foot candle units. Two ranges can be selected (200.0 and 2000 Fc). The precision color-corrected photo-diode sensor provides 5% accuracy...

401027-EU-EN v2.2 10/13 3 Typical Light Levels for Work Areas Foot Candles Lux Emergency Stairs, Warehouse 2 to 7 20 to 75 Exit/Entrance Passages 7 to 15 75 to 150 Packing Work 15 to 30 150 to 300 Visual Work: Production Line 30 to 75 300 to 750 Typesetting:Inspection Work 75 to 150 750 to 1,500 Fac...

401027-EU-EN v2.2 10/13 4 Light Sensor Spectrum Specifications Circuit Custom LSI microprocessor based design Display 13mm (0.5") 3.5 digit (1999 count) LCD display Sensor Photo-diode with color correction filter (meets CIE regulations) Out of range indication '1 ' is displayed Sampling time App...