Spectroradiometers for LED measurements

Spectroradiometers for measuring white light and color LEDs, UV LEDs and NIR LEDs in CW and pulse mode. Portable and fixed installation instruments for photometric, radiometric, colorimetric and flicker measurements.


UV optimised, laboratory grade spectroradiometers for high accuracy measurements of UV LED devices and products.

Spectroradiometers for UV LEDs
Model Image Entrance optic Wavelength range / nm Optical Bandwidth Sensor Measurement range - broadband detector Measurement range- Spectral sensor Internal filter wheel/shutter Interface Remark
BTS2048-UV BTS2048 UV 10 mm Ø Cosine diffuser f2 ≤ 3%

(190 - 430) nm

0.8 nm

CCD (TEC) array + SiC (1E1 -  2E10) W/m²  (1) (3E-4 - 3E5) W/(m²nm) @325nm 4 Pos OoR & BP stray light reduction USB, Ethernet, RS485, RS232
BTS2048-UV-S Gehaeuseansicht BTS2048 UV S 10 mm Ø Cosine diffuser f2 ≤ 3%

(190 - 430) nm

0.8 nm

CCD (TEC) array + SiC (5E-3  -  2E5) W/m² (1) (3E-5 - 3E4) W/(m²nm) @325nm 8 Pos OoR & multi-BP stray light reduction USB, Ethernet, RS485, RS232 Excellent stray light rejection
TFUV10-V01 TFUV 10 webheader 100 mm Ø sphere 25.4 mm Ø entrance

(200 - 550) nm

1 nm

CCD (TEC) array + Si 4 Pos OoR & BP stray light reduction USB, Ethernet, RS485, RS232 Measurement system for spectral radiant power of UV LEDs in a wavelength range from 200 nm to 550 nm.

 

Spectroradiometers for measuring Visible-NIR LEDs

Spectroradiometers for Visible-NIR LED - Spectral flux (W/nm) / Luminous flux (lm)
Model Image Entrance optic F.O.V. Wavelength range / nm Optical Bandwidth Sensor Measurement range Internal filter wheel / shutter Interface Remark
BTS256-LED BTS256 LED Integrating sphere 50mmØ 2-Pi (10 mmØ) (360 - 830) nm 5 nm CMOS array + V(λ) 10 mlm - 1100 lm Shutter USB Handheld spectroradiometer with internal integrating sphere for luminous flux. Can be upgraded with accessories of the BTS256-LED Plus Concept universal spectroradiometer.
ISD-21-BTS256-LED ISD 21 V01 webHeader1 Integrating sphere 210 mm Ø 2-Pi (63.5 mmØ) (360 - 830) nm 5 nm CMOS array + V(λ) 0.35 -35000 lm Shutter USB Universal spectroradiometer with 21 cm integrating sphere for luminous flux of 2Pi lamps from the BTS256-LED Plus Concept accessories range.
ISD-50-BTS256-LED isd21 50 Integrating sphere 500 mm Ø 2-Pi (127 mmØ) (360 - 830) nm 5 nm CMOS array + V(λ) 1.2 lm - 120,000 lm Shutter USB Universal spectroradiometer with 50 cm integrating sphere for luminous flux of 2Pi lamps from the BTS256-LED Plus Concept accessories range.
ISD-50HF-BTS256-LED ISD 50HF BTS256 LED.58 Integrating sphere 500 mm Ø 4-Pi / 2-Pi (127 mmØ) (360 - 830) nm 5 nm CMOS array + V(λ) 1.2 lm - 120,000 lm Shutter USB Universal spectroradiometer with 50 cm opening integrating sphere for luminous flux of 4Pi and 2Pi lamps from the BTS256-LED Plus Concept accessories range.
ISD-100HF-BTS256-LED ISD 100HF BTS256 LED offen.64 Integrating sphere 1000 mm Ø 4-Pi / 2-Pi (254 mmØ) (360 - 830) nm 5 nm CMOS array + V(λ) 4 lm - 400000 lm Shutter USB Universal spectroradiometer with 100 cm opening integrating sphere for luminous flux of 4Pi and 2Pi lamps from the BTS256-LED Plus Concept accessories range.
ISD-15-BTS2048-VL ISD 15 BTS2048 VL Integrating sphere 150 mm Ø 2-Pi (35 mmØ) (280 -1050) nm 2 nm CCD array + V(λ) 1E-7 - 7E2 W/nm 4 Pos inc OD1 + OD2 USB, Ethernet, RS485, RS232
ISD-25-BTS2048-VL ISD25 BTS2048 VL KugelOhneScheibe Schatten web4 Integrating sphere 250 mm Ø 2-Pi (76 mmØ) (280 -1050) nm 2 nm CCD array + V(λ) 8E-7 - 2E3 W/nm 4 Pos inc OD1 + OD2 USB, Ethernet, RS485, RS232
ISD-100HF-BTS2048-VL ISD 100HF BTS2048 VL3.42 Integrating sphere 1000 mm Ø 4-Pi / 2-Pi (254 mmØ) (280 -1050) nm 2 nm CCD array + V(λ) 1E-5 - 3.3E4 W/nm 4 Pos inc OD1 + OD2 USB, Ethernet, RS485, RS232
TPI21-TH TPI21 TH header1 Integrating sphere 215 mm Ø 2-Pi (280 -1050) nm 2 nm CCD array + V(λ) 0.5 mlm - 200000 lm 4 Pos inc OD1 + OD2 USB, Ethernet, RS485, RS232 Automated LED test system, CIE S 025 / LM-79-08 compliant
ISD-15 with CSS-45 ISD 15 Si.64 Integrating sphere 150 mm Ø 2-Pi (35 mmØ) (360 - 830) nm 10 nm optical bandwidth correction applied according to CIE 214 CMOS array Shutter USB, RS485 Example configuration of the CSS45 spectroradiometer sensor with integrating sphere
BTS256-LED Plus Concept BTS256 LED Plus Konzept Integrating sphere 50mmØ 2-Pi / 4-Pi (360 - 830) nm 5 nm CMOS array + V(λ) External sphere dependent Shutter USB Handheld spectroradiometer with integrated integrating sphere for luminous flux. Can be upgraded to the universal spectroradiometer with the accessories of the BTS256-LED Plus Concept.

Spectroradiometers for Visible-NIR LEDs - Spectral Irradiance (W/(m²nm)) / illuminance (lx)
Model Image Entrance optic F.O.V. Wavelength range / nm Optical Bandwidth Sensor Measurement range Internal filter wheel/shutter Interface Remark
MSC15 MSC15 mitScreen2 Diffuser / 10 mmØ Cosine f2 ≤ 3%

(360 - 830) nm

 

10 nm

optical bandwidth correction applied according to CIE 214

CMOS array 1 lx - 350000 lx Manual shutter USB Inexpensive spectral light meter for common measurement tasks in general lighting.
BTS256-EF BTS256 EF ausschnitt Diffuser / 20 mmØ Cosine f2 ≤ 3%

(360 - 830) nm

10 nm, mathematical optical bandwidth correction according to CIE 214 can be automatically applied

CMOS array + V(λ) 1 lx - 199000 lx Automated shutter USB Precise, low-scatter spectroradiometer with Bi-Tec sensor for PWM light and flicker measurements.
BTS256-LED-DA BTS256 LED DA Diffuser / 20 mmØ Diffuser / 20 mmØ CMOS array + V(λ) 40 lx- 400000 lx Automated shutter USB Diffuser accessory for BTS256-LED
CSS-45 CSS 45 2header Diffuser / 10 mmØ Cosine f2 ≤ 1.5%

(360 - 830) nm

10 nm

optical bandwidth correction applied according to CIE 214

 

CMOS array 1 lx - 350000 lx Automated shutter USB, RS485 Spectroradiometer sensor with RS485 and USB interface. Internal electro-mechanical shutter
BTS2048-VL BTS2048 VL Diffuser / 10 mmØ Cosine f2 ≤ 3%

(280 -1050) nm

2 nm

CCD array + V(λ) (1E-5 - 1E5) W/(m²nm)   4 Pos inc OD1 + OD2 USB, Ethernet, RS485, RS232 Integrated filter wheel with OD0, OD1, OD2 filter and aperture for dark balance. Electronic zeroing of all pixels for pulse measurements.
BTS2048-VL-TEC BTS2048 VL TEC Diffuser / 10 mmØ Cosine f2 ≤ 3%

(280 -1050) nm

2 nm

CCD array + V(λ) (1E-6 - 1E5) W/(m²nm)  4 Pos inc OD1 + OD2 USB, Ethernet, RS485, RS232 CCD sensor with Peltier cooling for maximum integration times
BTS256-LED Plus Concept BTS256 LED Plus Konzept Diffuser / 20 mmØ Cosine ± 30° CMOS array + V(λ) 40 - 400000 lx Automated shutter USB Handheld spectroradiometer with integrated integrating sphere. Can be upgraded to the universal spectroradiometer with the accessories of the BTS256-LED Plus Concept.

Spectroradiometers for Visible-NIR LEDs - Spectral Radiant Intensity (W/(sr nm)) / Luminous Intensity (cd)
Model Image Entrance Optic F.O.V. Wavelength range / nm Optical Bandwidth Sensor Measurement range Internal filter wheel/shutter Interface Remark
BTS256-LED-IB BTS256 LED CIE127 1cm2 Average Intensity CIE condition B

(360 - 830) nm

5 nm

CMOS array + V(λ) 7.5mcd - 100Mcd Automated shutter USB Averaged LED intensity CIE127 B
BTS2048-VL-CP-ILED-B-IS-1.0-HL BTS2048-VL_mit_ILEDB CIE127 1cm2 Average Intensity CIE condition B

(350 - 1050) nm

2 nm

CCD array + V(λ) 2E-6 - 5E3 W/(sr nm) 4 Pos inc OD1 + OD2 USB, Ethernet, RS485, RS232 For LED binning / LED test systems CIE 127 condition B
GB-GD-360-RB40-2-BTS256-LED GB GD 360 BTS256 Goniometer

(360 - 830) nm

5 nm

CMOS array + V(λ) 40 cd - 4000 kcd Automated shutter USB
GB-GD-360-RB40-2-BTS2048-VL GB GD 360 BTS2048.12 Goniometer

(350 - 1050) nm

2 nm

CCD array + V(λ) (1E-5 - 1E5) W/(sr nm)  4 Pos inc OD1 + OD2 USB, Ethernet, RS485, RS232 Goniometer with high speed spectroradiometer

Spectroradiometers for Visible-NIR LEDs - Spectral Radiance (W/(m²sr nm)) / Luminance (cd/m²)
Model Image Entrance optic Wavelength range / nm Optical Bandwidth Sensor Measurement range Internal filter wheel/shutter Interface Remark
BTS256-LED Plus Concept BTS256 LED Plus Konzept CMOS array + V(λ) Automated shutter USB Spectral radiometer with bayonet connection for accessories.