Digital luminance meter TES-137

portableUSB

Dual Display, 4-digit LCD reading. Spectral Sensitivity close to CIE photopic Curve. Measuring Levels Ranging: > 0.171 to 1999k cd/m², > 0.050 to 580.0k fL, Autoranging 7 step. Accurate and Instant response. Luminance ratio A/B, deviation %A, different B-A and peak luminance measurements. User calibration factor and color-correction functions. Accumulation luminance measurement. Max/Min/AVG function. Backlight LCD display. Comparator function. Data Hold function. Data memory and read function. Data logger function. USB Interface. Measuring Angle 2° Overrange Display OL is displayed Resolution 0.001 cd/m², 0.001 fL Accuracy ±3% rdg ±5dgt (Calibrated to standard incandescent lamp, 2856 Κ, at 25°C/77°F) CIE Photopic f ’1 ≦6% Temperature Characteristics ±0.1%/°C Measuring Rate Approximately 5 time/sec Photosensor Silicon photodiodes Data Memory Capacity 200 sets. (Direct reading from LCD display) Data Logger Capacity microSD card Operating / Storage Conditions 0°C to 50°C <80% RH -10°Cto 60°C <70%RH Power Source 6 pcs 1.5V AAA size Battery Battery Life (typical) 50 hours Photosensor Lead Length 90 cm (approx.) Photosensor Dimensions 40f×158(L)mm Dimension 150(L) × 72(W) × 35(H)mm Weight Meter: 235g, Photosensor: 210g Accessories Carrying case, Instruction manual, Battery, CD software, Micro-USB cable.