TESTO 540 LIGHT Made in Germany

Manufacturer: TES
Model: TES-1335
Original: Taiwan

-Cosine Angular corrected
-Relative function
-Auto-Power off function
-Accurate and instant response
-Peak Hold function
-Data Hold, MAX/MIN function
-Range:
40, 400, 4,000, 40,000, 400,000 Lux
40, 400, 4,000, 40,000 fc
-Accuracy:
+/-3% rdg +/- 0.5% f.s.
+/-4% rdg +/-10 dgt as >10,000 lux/fc
-Resolution: 0.01LuxCIE V λ
function f'1 =< 6%
-Over-range Display:LCD will show "OL" symbo

Manufacturer: TES
Model: TES-133
Original: Taiwan

Ideal for:
- LEDs, Optical Fiber lamps, Small lamps
Features
- Measuring range : 0.05 ~ 7000 lumens function
- RS-232 Interface / Software
- Data Memory : 999 sets (Direct reading from LCD display)
- Data Logging function : 40,000 sets
- Display: 4 digit LCD read out
- Range: 9.999, 99.99, 999.9, 7000 lumens. Auto ranging (4 Steps)
- Resolution: 0.001 lumens
- Accuracy: 0.05 ~ 0.1 - +/-7%, 0.1 ~ 1000 - +/-1%, 1000 to 7000 - +/-3%
- Integrating Sphere:
+ Diameter: 50mm
+ Sample pore: 12.7mm diameter
- CIE photopic f'1: =< 6%
- Temperature Characteristics: +/- 0.1%/°C

- Data Memory Capacity: 999 sets
- Data Logger Capacity: 40,000 sets

Manufacturer: TES
Model: TES-1339R
Original: Taiwan

-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 steps
-Accurate and Instant Response
-Integral illuminance measurement
-Luminous Intensity measurement
-Reference value setting for relative or percentage deviation measurement
-Ripple Measurement for STRAY& LIGHT function
-Time-Hold measurement
-Point-average function
-Comparator function
-Auto power off function
-Data Hold function
-CNS 5119 Class II
-Data memory and read function (99 readings)
-Data Logging function (40,000 readings) (TES-1339R)
-RS-232 Interface & Software
-Range (+/-3% rdg+/- 5 dgt):99.99, 999.9, 9999, 99990,999900 Lux / 9.292, 92.92, 929.2,9292, 92927 fc.
-Auto ranging (5 step) (1fc = 10.76 Lux)
-Resolution: 0.01 Lux, 0.001 fc
-Over range Display: OL is displayed
-CIE photopic f'1: =<6%
-Temperature Characteristics: 0.1%/

-Measuring Rate: 5 time/sec (approx.)
-Data Memory Capacity: 99 sets (Direct reading from LCD display)
-Data Logger Capacity: 40,000 sets

Manufacturer: TES
Model: TES-135A
Original: Taiwan

Features
- Check color difference between two samples
- Color difference displayed in Δ (L*, a*, b*), Δ(E*ab, C*ab,H*ab), Δ(Y, x, y), Δ (X, Y, Z) or Δ(Rs, Gs, Bs)
- Color space displayed in (L*, a*,b*), (L*, C*ab, hab), (Y, x, y), (X, Y, Z) or (Rs, Gs, Bs).
- MAX, MIN & AVG functions
- Software with Mini-USB cable
- Tolerance function
- Auto Memory (99 sets) & Read function
- Display: Triple 4 digit LCD display
- Illuminating / Viewing geometry: 45° /0° - 1 illumination at 45° , measurement at 0°

- Measuring area: Approx. Φ2mm
- Target color memory: 8 channel; set by measurement or keypad
- Measuring range: L*: 10 to 100
- Measurement conditions: Observe: CIE 2° Standard Observer. Illuminant: White LED lamp.
- Repeatability: Standard deviation within Δ E*ab 0.5
- Auto data Memory & Read: 99 sets
- Auto Power off: Approx. 3 minutes