TES Electrical Electronic Corp.

Light Meter

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TES-1339P

Autoranging 5 steps and conversion to µmole/m²/s (PPFD: Photosynthetic Photon Flux Density).
Integral illuminance measurement and conversion to mole/m²/d (Daily light integral).
Luminous intensity measurement.
Point - average function.
User calibration factor (CAL) and spectral correction factor (SCF) function. (include LED)
Time-hold function.
Dual Display, 4 digit LCD reading.
Spectral Sensitivity close to CIE photopic Curve.
Accurate and Instant response.
Data Hold function.
Data memory and read function.
Reference value stored for relative or
percentage deviation measurement.
Ripple measurement for STRAY + LIGHT function.
Comparator function.
Auto power off function.
Backlight display function.
Auto datalogging & USB interface.

TES-137

Dual Display, 4-digit LCD reading.
Spectral Sensitivity close to CIE photopic Curve.
Measuring Levels Ranging 0.001 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.
Data Hold function.
Data memory and read function.
Data logger function.
USB Interface.

TES-136

TES-135A

Check the color difference between two samples.
Economical, Portable and easy to use.
Color difference displayed Δ(L*,a*,b*), Δ(E*ab,
C*ab, H*ab), Δ(Y, x, y), Δ(X, Y, Z), Δ(Rs, Gs, Bs) or Δ(WI, YI, Tw)
Color space displayed (L*, a*, b*), (L*, C*ab, hab),
(Y, x, y), (X, Y, Z), (Rs, Gs, Bs) or (WI, YI, Tw).
Statistical function (Maximum, Minimum, Average and Standard Deviation)
Color difference tolerance set to perform PASS / WARN / FAIL.
Store 9 color – difference target colors.
User calibration function ensures higher accuracy.
Auto memory (99 sets) & Read function.
Mini-USB interface.
Auto Power off function.

TES-133

TES-1335

TES-1330A / TES-1332A / TES-1334A

TES-1337B

Application:Street Lighting,tummel lighting,etc.
Luminous intensity(cd)=Lux x Distance²
Spectral correction factor function (include LED)
User calibration function (CAL)
Dual Display, 4-digit LCD reading.
Spectral Sensitivity close to CIE photopic Curve.
Measuring Levels Ranging 0.01 to 200.0 Klux, 0.001 to 20.00 Kfc,
Autoranging 5 step.
Accurate and Instant response.
Luminous intensity measurement.
Data Hold function.
Data memory and read function.
Point - average function.
Auto power off function.

TES-1339R

Spectral correction factor function (include LED)
User calibration function (CAL)
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.

TES-1339

Spectral correction factor function (include LED)
User calibration function (CAL)
Dual Display, 4-digit LCD reading.
Spectral Sensitivity close to CIE photopic Curve.
Measuring Levels Ranging 0.01 to 999900 Lux,
0.01 to 92920 fc, Autoranging 5 step.
Accurate and Instant response.
Integral illuminance measurement.
Luminous intensity measurement.
Data Hold function.
Data memory and read 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.

TES-1336A

Specification changes subject without notice.