Extech Instruments Heavy Duty Light Meter with PC Interface
Light meter with four lighting types Tungsten/Daylight, Fluorescent, Sodium, and Mercury. This light meter offers selectable lighting types, data record/recall, relative display mode, and PC interface. This professional meter, with proper care, will provide years of safe reliable service.
Features:
Simultaneous display of Foot Candles or Lux
Super large 1.4 (1999 count) LCD display
% displays differential from reference point
Utilizes precision photo diode and color correction filter
Cosine and color corrected measurements
±4% accuracy is enhanced by selecting lighting type (Tungsten/Daylight Fluorescent Sodium Mercury)
Record/Recall MIN MAX and AVG readings Data Hold plus Auto shut off
Built-in RS232 serial interface optional software
Circuit | Custom one-chip LSI microprocessor circuit |
Display | 3-1/2 digit (2000 count) LCD display with contrast adjustment |
Measurement ranges | LUX: 0 to 50000 LUX (3 range); Fc: 0 to 5000 Fc (3 range);\nRelative mode: 0 to 1999% |
Data Hold | Freezes displayed reading |
Lighting Types | Sodium Daylight/Tungsten Fluorescent and Mercury |
Sensor Structure | Cosine/color corrected photo-diode meets C.I.E. |
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 (optional software/cable PN 407001) |
Operating conditions | 32 °F to 122 °F (0 °C to 50 °C); <80% RH |
Power Supply | 9V battery |
Power consumption | Approx. 5 mA DC. (approx. 200 hr battery life) |
Weight | 0.71 lbs. (320 g) |
Dimensions | Instrument: 7.1 x 2.8 x1.3\" (180 x 72 x 32 mm)\nSensor: 3.3 x 2.2 x 0.7\" (85 x 55 x 17.5 mm) |