TES-1339R Data Logger Light Meter Pro.


  • Dual Display, 4-digit LCD reading.
  • Spectral Sensitivity close to CIE photopic Curve.
  • Measuring Levels Ranging 0.01 to 999900 Lux,0.001 to 92927 fc, Autoranging 5 step.
  • Accurate and Instant response.
  • Integral illuminance measurement.
  • Luminous intensity measurement.
  • Data Hold function.
  • Data memory and read function.
  • Data logger function.
  • Reference value setting for relative or percentage deviation measurement.
  • Ripple measurement for STRAY + LIGHT function.
  • Time-hold function.
  • Point - average function.
  • Comparator function.
  • Auto power off function.
  • RS232 Interface.
  • CNS 5119 Class Ⅱ.

Display Dual display 4 digit LCD read out.
Measuring Range 99.99, 999.9, 9999, 99990, 999900 Lux
9.292, 92.92, 929.2, 9292, 92927 fc
Auto rangeing (5 step) (1 fc = 10.76 Lux)
Overrange Display OL is displayed
Resolution 0.01 Lux, 0.001 fc
Accuracy ± 3% rdg ± 5dgt (Calibrated to standard incandescent lamp, 2856° Κ )
CIE photopic f ' 1 ≦ 6 %
Temperature Characteristics

± 0.1%/ ℃

Measuring Rate Approximately 5 time/sec
Photosensor Silicon photodiodes
Data Memory Capacity 99 sets. (Direct reading from LCD display)
Data Logger Capacity 40000 sets.
Operating / Storage Conditions 0 ℃ ~ 50 ℃ <80% RH
-10 ℃ ~ 60 ℃ <70%RH
Power Source 6 pcs AAA size Battery

Battery Life (typical)

100 hours
Photosensor Lead Length 150 cm (approx.)
Photosensor Dimensions 92(L) × 60(W) × 29(H)mm
Dimension 150(L) × 72(W) × 35(H)mm
Weight 320g
Accessories Carrying case, Instruction manual, Battery, CD software,
RS232 Cable.

Water Analysis