Spectral light meters for photometric and colorimetric measurements

Comprehensive range of spectroradiometers for the measurement of illuminance (lux), luminance (cd/m²), luminous flux (lumens), luminous intensity (cd) as well as spectral power distribution and full colorimetric values.


Spectroradiometers for measuring illuminance (lux) and chromaticity metrics.

Spectral light meters for illuminance (lx)
Model Image Housing Wavelength range / nm Optical Bandwidth Entrance Optic Measurement range Sensor Display Interface Remark
MSC15 MSC15 mitScreen2 Handheld 360 - 830

10 nm

optical bandwidth correction applied according to CIE 214

Diffuser window with 10mm diameter, cosine corrected field of view, f2 ≤ 3 %

CMOS array Color touchscreen

USB 2.0

Inexpensive spectral light meter for common measurement tasks in general lighting.
BTS256-EF BTS256 EF ausschnitt Hand-held device, splash-proof 360 - 830

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

Diffuser window with 20mm diameter, cosine corrected field of view, f2 Error ≤ 3%

199,999 lx ≤ 5ms (white light)

100 lx ≤ 1s (white light)

CMOS array + V(λ) Monochrome

USB 2.0 (Type B USB)

Option WiFi: WiFi 2,4 GHz (external antenna, range > 100m)

Precise, low-scatter spectroradiometer with Bi-Tec sensor for PWM light and flicker measurements.
CSS-45 CSS 45 2header Sensor, splash-proof 360 - 830

10 nm

optical bandwidth correction applied according to CIE 214

 

Diffuser window with 10 mm diameter, cosine corrected field of view, f2 ≤ 1.5 %

CMOS array None

USB 2.0, RS 485

Spectroradiometer sensor with RS485 and USB interface. Internal electro-mechanical shutter
CSS-45 with CSS-D Gigahertz Optik CSS 45 CSS D sensor 4 gesp6 Handset with separate sensor 360 - 830 CMOS array Color touchscreen
BTS2048-VL BTS2048 VL Portable / built-in systems 280 -1050

2 nm

Diffusor, cosine corrected field of view (f2 ≤ 3 %)

10lx    2,5s      *10
100lx    250ms      *10
1000lx    25ms      *10

CCD array + V(λ) None

USB V2.0, Ethernet (LAN UDP protocol), RS232, RS485

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 Portable / built-in systems 280 -1050

2 nm

Diffusor, cosine corrected field of view (f2 ≤ 3 %)

10 lx        2,5 s           *10
100 lx      250 ms      *10
1000 lx    25 ms        *10

CCD array + V(λ) None

USB V2.0, Ethernet (LAN UDP protocol), RS232, RS485

CCD sensor with Peltier cooling for maximum integration times
BTS2048-VL-F BTS2048 VL F Portable / built-in systems 280 -1050

2 nm

Light guide adapter F16-F

CCD array + V(λ) None

USB V2.0, Ethernet (LAN UDP protocol), RS232, RS485

Fiber bundle input. Optional fiber and cosine diffusor accessories
BTS2048-VL-TEC-F BTS2048 VL F Portable / built-in systems 280 -1050

2 nm

Light guide adapter

CCD array + V(λ) None

USB V2.0, Ethernet (LAN UDP protocol), RS232, RS485

CCD sensor with Peltier cooling for maximum integration times. Fiber input.
BTS256-LED-DA BTS256 LED DA Portable / benchtop 360 - 830

Bayonet adapter with diffuser window. 20 mm diameter of the diffuser window. ± 30° cosine corrected field of view. 5 % cosine correction within the specified range.

CMOS array + V(λ) None Universal spectroradiometer with diffuser accessories from the BTS256-LED Plus Concept.

 

 

Integrating sphere based spectroradiometer systems for measuring luminous flux (lumens) and chromaticity metrics. Integrating sphere sizes from compact handheld unit to 1m diameter.

Spectral light meters for luminous flux (lm)
Model Image Integrating sphere Source emission Wavelength range / nm Optical Bandwidth Measurement range (*1) Sensor Auxilliary lamp Interface Remark
BTS256-LED BTS256 LED 50 mmØ 2-Pi (10 mmØ) 360 - 830 5 nm 10 mlm - 70000 lm CMOS array + V(λ) Yes 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 210 mmØ 2-Pi (63.5 mmØ) 360 - 830 5 nm 0.3 lm to 35000 lm CMOS array + V(λ) Yes 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 50 500 mmØ 2-Pi (127 mmØ) 360 - 830 5 nm 1.2 lm to 120,000 lm CMOS array + V(λ) Yes 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.58 500 mmØ 4-Pi or 2-Pi (127 mmØ) 360 - 830 5 nm 1.2 lm to 120,000 lm CMOS array + V(λ) Yes 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 1000 mmØ 4-Pi or 2-Pi (254 mmØ) 360 - 830 5 nm 4 lm to 400,000 lm CMOS array + V(λ) Yes 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 150 mmØ 2-Pi (35 mmØ) 350 -1050 2 nm 2 lm to 16000 klm CCD array + V(λ) Yes USB & Ethernet Compact spectroradiometer for in-line LED binning. Integrating sphere with dust-proof measuring aperture.
ISD-25-BTS2048-VL ISD25 BTS2048 VL KugelOhneScheibe Schatten web4 250 mmØ 2-Pi (76 mmØ) 350 -1050 2 nm 5.5 mlm - 43000 klm CCD array + V(λ) Yes USB & Ethernet
ISD-100HF-BTS2048-VL ISD 100HF BTS2048 VL3.42 1000 mmØ 4-Pi or 2-Pi (254 mmØ) 350 -1050 2 nm 0.1 lm - 700000 klm CCD array + V(λ) Yes USB & Ethernet
ISD-15 + CSS-45 ISD 15 Si.64 150 mmØ 2-Pi (35 mmØ) 360 - 830 10 nm optical bandwidth correction applied according to CIE 214 CMOS array Option USB, RS485 Example configuration of the CSS45 spectroradiometer sensor with integrating sphere
BTS256-LED Plus Concept BTS256 LED Plus Konzept 50 mmØ + external 2-Pi / 4-Pi 360 - 830 5 nm External sphere dependent CMOS array + V(λ) Yes 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.
TPI21-TH TPI21 TH header1 215 mmØ 2-Pi 350 -1050 2 nm 0.5 mlm - 200,000 lm CCD array + V(λ) Yes USB & Ethernet Automated LED test system, CIE S 025 / LM-79-08 compliant
TFCT25 TFCT25 web mSchatten 250 mmØ 2-Pi 350 -1050 2 nm 0.05 mlm - 141 klm CCD array + V(λ) Yes USB & Ethernet Spectral transmission & luminous flux test system for lateral light-emitting light guides used in front and rear automotive lighting

(*1) Using BiTec Spectral &  V(λ) Sensors

See also:  Broadband Light Meters for Photometry


 

 

Spectroradiometers with entrance optics for the measurement of luminous intensity (cd) and CIE 127 averaged intensity.  Compatible with or part of goniometer systems.

Spectral light meters for luminous intensity (cd)
Model Image Measurement Geometry Wavelength range / nm Measurement range V(λ) sensor Measurement range - Spectral sensor Sensor Interface Remark
BTS256-LED-IB BTS256 LED Tester ILED B Average Intensity CIE condition B 360 - 830 7.5 mcd - 100 Mcd CMOS array + V(λ) USB Averaged LED intensity CIE127 B
BTS2048-VL-CP-ILED-B-IS-1.0-HL BTS2048-VL_mit_ILEDB Average Intensity CIE condition B 350 - 1050 0.15 mcd - 420 kcd 15 mcd - 150000 kcd CCD array + V(λ) 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 2-Pi distance 100 - 2000mm 360 - 830 0.2cd - 250000 kcd (*1) 40cd - 4000 kcd (*1) CMOS array + V(λ) USB
GB-GD-360-RB40-2-BTS2048-VL GB GD 360 BTS2048.12 Goniometer 2-Pi distance 100 - 2000mm 350 -1050 0.1 cd - 3E8 cd (*1)  6 cd - 1000 kcd (*1) CCD array + V(λ) USB, Ethernet, RS485, RS232 Goniometer with high speed spectroradiometer

(*1)At 1m distance

See also:  Broadband Light Meters for Photometry


 

 

Spectroradiometers with viewing entrance optics for the measurement of luminance (cd/m2) and spectral power distribution.

Spectral light meters for luminance (cd/m²)
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