CALL: A.WIHARTA 081294124885 085778084789 087784022201   Info Produk Description The Extech 407026 Heavy Duty Light Meter enhances accuracy by selecting one of four lighting types with the addition of a PC interface. Features Enhances accuracy by selecting a lighting type: Tungsten/ Daylight, Fluorescent, Sodium, or Mercury Comes with built-in RS-232 PC serial interace with the optional Data Acquisition software & Data Logger Other functions include " ZERO " re-calibration, Data Hold, & MAX/ MIN/ AVG readings Specifications: Circuit: Custom one-chip LSI microprocessor circuit Display: 3.5 digit ( 2000 count) LCD display with contrast adjustment Measurement Ranges: LUX: 0 to 50, 000 LUX ( 3 range) , Fc: 0 to 5000 Fc ( 3 range) , Relative mode: 0 to 1999% Data Hold: Freezes displayed reading Lighting Types: Sodium, Daylight/ Tungsten, Fluorescent, & Mercury Sensor Structure: Cosine/ color corrected photo-diode meets CIE Memory Store/ Recall: Records/ Recalls Max/ Min/ Avg readings Sample rate: 0.4 seconds ( approx.) per reading Zero Adjust: Push-button procedure Auto Power Off: After approx. 10 minutes Data Output: RS-232 PC serial interface Operating Conditions: 32 to 122F ( 0 to 50C) , < 80% RH Power Supply: 9 V battery Power Consumption: Approx. 5 mA DC ( approx. 200hr battery life) 2, 000 LUX Range: 0-1, 999 LUX Display, 1 LUX Resolution 20, 000 LUX Range: 1, 800-19, 990 LUX Display, 10 LUX Resolution 50, 000 LUX Range: 18, 000-50, 000 LUX Display, 100 LUX Resolution 200 FC Range: 0-186.0 FC Display, 0.1 FC Resolution 2, 000 FC Range: 167-1, 860 FC Display, 1 FC Resolution 5, 000 FC Range: 1, 670-5, 000 FC Display, 10 FC Resolution Relative Mode: Range: 0-1999% , Resolution: 1% Accuracy: + / -( 4% + 2 digits) of full scale ( Applies to a calibration performed using a precision standard incandescent tungsten light source of 2856K with a meter on the tungsten setting.) Dimensions: Instrument: 7.1 " x2.8 " x1.3 " ( 180x72x32mm) , Sensor: 3.3 " x2.2 " x0.7 " ( 85x55x17.5mm) Weight: 0.71 lbs. ( 320g)