Light Meter, Measuring Range 0.01 To 40,000 Fc, 0.1 To 400,000 Lux, Resolution 0.01 Fc Or 0.1 Lux, Accuracy +/-5%, Display 4000 Count Backlit Lcd, Peak Hold, Data Hold, Min/max Memory, Interface Usb, Auto Power Off, 9v Battery Type, Silicon Photodiode Sensor, Cord Length 39 In (1m), Nist Calibration Certificate, Includes Usb Interface Cable And Software, Hard Carrying Case, Battery And Instructions

Three Measurements at Once; UV Transmission, Visible Transmission, and Infrared Transmission. The Most Complete Sales Tool Test Single, Double, or Triple Panes CRL Spectrum Detective Energy Transmission Meter is able to simultaneously display UV, Visible and Infrared transmission values. Being a self-contained system, there are no additional light sources or power chords necessary, and no adjustments to make. Simply slide the glass sample into the opening and watch the resulting performance data appear on the display. Perform LIVE demonstrations of the performance of your Energy Efficient Window Products. Simple, fast and convincing; this instrument will take sales demonstrations to a whole new level! Uses one standard 9 VDC battery (included). Features Three performance values displayed... Less

Heavy Duty Light Meter, Shows Foot Candles And Lux, 4 Light Types, Nist Certified

Heavy Duty Light Meter with PC Interface Enhance accuracy by selecting one of four lighting types plus PC interface % displays differential from reference point "ZERO" Re-Calibration Enhance accuracy by selecting lighting type Tungsten/Daylight , Fluorescent, Sodium, Mercury) Data Hold, Min/Max/Avg readings Built-in RS-232 PC serial interface Utilizes precision photo diode and color correction filter Cosine and color corrected measurements ±4% accuracy is enhanced by selecting lighting type (Tungsten/Dayligh t, Fluorescent, Sodium, Mercury) Record/Recall MIN, MAX and AVG readings Data Hold plus Auto shut off Dimensions 7x2.9x1.3" (178x74x33mm); weight 1.6lbs. (726g) Complete with 9V battery and protective holster. Specifications Meter type: Light with PC interface Fc Ranges: 200.0, 2000,... Less

* HD450 Data logger model automatically stores up to 16,000 readings or manually store/recall up to 99 readings * Min/Max and Data Hold * Large backlit LCD display with 40-segment bar graph * Heavy Duty rugged double molded housing * Built-in USB port * Includes light sensor with 3ft (1m) cable and protective cover, Windows® compatible software with USB cable, hard carrying case, and 9V battery

The amazing Truncheon EC meter from Bluelab uses flashing lights to show the EC, CF and PPM readings. Truncheons are very accurate, reliable, and come with a five year warranty.