Luminance Meter TES-137 |TES Electrical Electronic Corp.

Photosynthesis Light Quantum Meter/ Chroma Meter/ Luminance Meter/ Light Meter

TES-137

Product Features

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.

Display	Dual display 4 digit LCD read out.
Measuring Range	9.999, 99.99, 999.9, 9.999k, 99.99k, 999.9k, 1999k cd/m² 9.999, 99.99, 999.9, 9.999k, 99.99k, 580.0k fL Auto ranging (7 step) (1 fL = 3.426 cd/m²) Minimum measurement range: >0.171cd/m² (> 0.050fL)
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.

q Luminance measurement of LCDs, CRTs, LEDs, etc.

q Luminance measurement of street lighting, tunnel lighting, etc.

q Measurement of airport lighting facilities.

q Transmittance measurement for LCD polarizing plates and various filters.

q Measurement of medical lighting.

q Illuminance irregularities of automobile license plates.

q Luminance measurement of various lighting facilities, etc.