TES-137, Luminance Meter

Product Features
  • Dual Display, 4-digit LCD reading.
  • Spectral Sensitivity close to CIE photopic Curve.
  • Measuring Levels Ranging 0.01 to 1999k cd/m2, 0.001 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.
  • Backlit function.
  • Comparator function.
  • Auto power off function.
  • Data Hold function.
  • Data memory and read function.
  • Data logger function.
  • USB Interface.
 

Electrical Specifications:

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)
Measuring Angle E2°
Overrange Display OL is displayed
Resolution 0.01 cd/m2, 0.001 fL
Accuracy ±3% rdg ±5dgt (C brated to standard
incandescent lamp, 2856°Κ, at 25℃/77℉)
CIE Photopic f '1 ≦6%
Temperature Characteristics ±0.1%/ ℃
Measuring Rate Approximately 5 time/sec
Photosensor Silicon photodiodes
Data Memory Capacity 200 sets. (Direct reading from LCD display)
Data Logger Capacity microSD CARD 4GB
Operating / Storage Conditions 0℃ to 50℃ <80% RH
-10℃ to 60℃ <70%RH
Power Source 6 pcs 1.5V AAA size Battery
Battery Life (typical) 50 hours
Photosensor Lead Length 90 cm (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, Battery, CD software, USB cable.

Water Analysis