Luminance Meter TES-137 Dual 4 Digit LCD Display tes137 Brightness Tester Lux Meter

Luminance Meter TES-137 Dual 4 Digit LCD Display tes137 Brightness Tester Lux Meter

Product Description
Application:
Luminance measurement of LCDs, CRTs, LEDs, etc.
Luminance measurement of street lighting, tunnel lighting, etc.
Measurement of airport lighting installations.
Transmittance measurement for LCD polarizing plates and various filters.
Measurement of medical lighting.
Irregularities in the illumination of automobile license plates.
Luminance measurement of various lighting installations, etc.

Characteristic:
User calibration factor and color correction functions.
Accumulation luminance measurement.
Max/Min/AVG function.
Backlit function.
Comparator function.
Auto power off function.
Data hold function.
Data memory and playback function.
Data logger function.
USB interface.

Features:
Display: Dual 4-digit LCD display.
Measurement range: 9.999, 99.99, 999.9k, 9.999k, 99.99k, 999.9k, 1999k cd/m2.
9.999, 99.99, 999.9, 9.999k, 99.99k, 580.0k fL.
Auto range (7 steps): (1 fL = 3.426 cd/m2)
Measurement angle: E2°
Overrange display: the OL is displayed
Resolution: 0.01 cd/m2, 0.001 fL
Accuracy: ±3%rdg ±5dgt (C stirred at standard incandescent lamp, 2856°k, at 25C/77F).
CIE Photopeak f-1:<6%
Temperature characteristics: ±0.1%/C
Measurement rate: about 5 times/sec
Photosensor: silicon photodiodes
Data memory capacity: 200 sets. (Direct reading from the LCD screen)
Data logger capacity: 4GB microSD card
Operating/Storage Conditions: 0C to 50C<80% RH -10C to 60C <70% RH
Power source: 6x1.5V AAA battery (not included)
Photosensor Lead Length: 90cm (Approx.)
Photosensor dimensions: 40 = × 158(L)mm
Dimension:150(L)×72(W)×35(H)mm
Weight: meter: 235g, photosensor: 210g

Accessories:
Carrying case, instruction manual, software CD