TES-1335 Digital Light Meter

  • Spectral Sensitivity close to CIE photopic Curve.
  • Measuring Levels Ranging 0 to 400,000 Lux, 0 to 40, 000 fc.
  • Accurate and Instant response.
  • Data Hold function.
  • MAX/MIN function.
  • Peak Hold function.
  • Relative function.
  • Cosine Angular corrected.
  • Auto-Power-Off function.
  • CNS 5119 class11

Display 3 3/4 digit LCD with bargraph indication
Measuring Range

40, 400, 4000, 40000, 400000 Lux
40, 400, 4000, 40000 fc
(1 fc = 10.76 Lux)
Overrange Display Highest digit of (1) is displayed
Resolution 0.01 Lux
Accuracy ±3% rdg ±0.5dgt (Calibrated to standard
incandescent lamp, 2856°Κ)
CIE photopic f ' 1 < 9%
Temperature Characteristics ±0.1% / ℃
Measuring Rate Approximately 2.5 time/sec
Photosensor Silicon photodiodes
Operating /
Storage Conditions		 0℃ ~ 50℃ < 80% RH
-10℃ ~ 60℃ < 70%RH
Power Source 6 pcs AAA size Battery
Battery Life (typical) 200 hours
Photosensor Lead Length 150 cm (approx.)
Photosensor Dimensions 100(L) ×60(W) ×27(H)mm
Dimension 135(L) ×72(W) ×33(H)mm
Weight 250g
Accessories Carrying case, Instruction manual, Battery
Electronic Test

Environment Testing

Electrical Test

Water Analysis

Surveying Equipments