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Labsphere Illumia Plus 2 Integrating Sphere Spectroradiometers

Integrating Sphere Spectroradiometers for Testing Lamps & Luminaires

The Labsphere Illumia Plus 2 family of integrating sphere spectroradiometers measure the spectral radiant flux, luminous flux, colour and colour rendering of lamps, LEDs and luminaires. With sphere sizes ranging from 0.25 to 3.0m, any size or power of light source can be accommodated. With a choice of three high speed array spectrometers, the price versus performance of your chosen Illumia Plus 2 system can be optimised for routine QA testing or the most demanding R&D applications.

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Labsphere Illumia Plus 2 Overview

Labsphere Illumia Plus 2 System Configuration

The Labsphere Illumia Plus 2 family of integrating sphere spectroradiometer systems measure the spectral radiant flux, luminous flux, colour and colour rendering of lamps, LEDs and luminaires. With sphere sizes ranging from 0.25 to 3.0m, any size or power of light source can be accommodated. With a choice of three high speed array spectrometers, the price versus performance of your chosen Illumia Plus 2 system can be optimised for routine QA testing or the most demanding R&D applications.

Measurement of luminous flux can be performed in either a 2π hemispheric or a total 4π geometry, and Labsphere’s Illumia Plus 2 integrating spheres support both types of tests. The advanced integrating sphere design allows “hot swap” of test sources to achieve greater efficiency and laboratory throughput. Add-on electronic modules increase functionality and simplify compliance with IES LM-79-19, IES LM-78, and equivalent CIE and EN measurement guidelines.

It goes without saying that all Illumia sphere systems incorporate auxiliary correction to compensate for the self-absorption of the device under (DUT) test placed within the sphere or at the sphere port. Without this essential option, measurements of luminous flux and chromaticity would suffer from errors easily running into the many tens of percent.

A Flexible, Modular Approach

Illumia Plus 2 sphere systems adopt a flexible, modular configuration, allowing you to adapt your investment as your needs and budget dictate. The main system components are as follows:

  • Illumia Plus 2 integrating sphere with diameters of 0.25, 0.5, 1.0, 1.65, 1.95 and 3.0m.
  • 2π and/or 4π DUT mounting and calibration lamp fixtures.
  • Your choice of spectrometer (CDS-800, CDS-2600 or CDS-3020/3030).
  • A standard of spectral radiant flux, calibrated in Labsphere’s ISO 17025 NVLAP-accredited laboratory using standards that are directly traceable to NIST. You maintain your own sphere calibrations, eliminating problems of long-term calibration drift and avoiding the expense and down-time of needing to ship your sphere back to the vendor.
  • Auxiliary correction fitted as standard.
  • Programmable DC power supply to drive the reference lamp, auxiliary lamp and device under test (if appropriate).
  • ICM-500 system control module, serving as the interface between the PC and the Illumia Plus 2 system hardware.
  • Integral® software (see below for details).

Spectrometer Options

Illumia Plus 2 systems can be configured with a choice of spectrometers to meet all budgets and performance requirements. Starting with the uncooled CDS-800, next up is the CDS-2600 that provides for an enhanced sensitivity and reduced noise, while for the ultimate in dynamic range and system performance we have the CDS-3000 series.  For more details on our spectrometers, click on the “Spectrometer” tab above. 

Integral® System Software

Labsphere’s Integral® software drives each Illumia Plus 2 system, allowing you to operate your spectroradiometer from any device at any location and in multiple languages. Automated calibration routines with built in LM-45 stabilization are featured which meet IES and EN measurement methods. Integral software also communicates with third party power supplies (AC & DC) as well as power meters, temperature monitors and temperature controllers. For more details on Integral software, click on the “Integral Software” tab above.

Other Options & Upgrades

  • The Labsphere Flicker BT high speed photometer add flicker measurement capability (see “Flicker BT” tab above).
  • IL-AC1 Chroma 61603 programmable instrument-grade AC power supply and cabling.
  • IL-PM1 XITRON 2640 precision multi-channel power analyser and cabling.
  • 4π kit – upgrade an Illumia Plus 2 sphere from 2π operation. Includes lamp post, baffle, junction box, reference lamp calibrated for 4π geometry.
  • Ambient temperature probe and monitor.
  • Reference standard of spectral forward flux.

Spectrometer Options for Illumia Plus 2 Spectroradiometers

 

Labsphere Illumia Plus 2 integrating sphere spectroradiometer systems can be configured with a choice of three grades of spectrometer to meet all budgets and performance requirements. All spectrometer options are controlled from Labsphere’s Integral® software.

CDS-800

The CDS-800 is the entry-level uncooled spectrometer for the range 350-1050nm.

CDS-2600

The CDS-2600 provides an enhanced sensitivity, being based upon a TE-cooled and back-thinned CCD array detector with shutter for real-time dark current subtraction. The CDS-2600 also features a hardware triggering capability. Spectral range is 350-1050nm.

CDS-3020 / CDS-3030

The CDS-3020/3030 are the spectrometers with the ultimate performance, building upon the CDS-2600 with exceptional measurement sensitivity, low stray light and wide dynamic range. An internal ND filter wheel extends the spectrometer’s dynamic range and the CDS-3020/3030 is easily synchronised with other devices. Spectral range for the CDS-3020 is 350-830nm, while the CDS-3030 is tuned for the range from 360-1100nm.

Click on the “Resources” tab above to download datasheets for each spectrometer.

Integral® System Software for Illumia Plus 2 Spectroradiometers

Labsphere Integral Software

Labsphere’s Integral® software drives each Illumia Plus 2 sphere system, allowing you to operate your spectroradiometer from any device at any location and in multiple languages. Automated calibration routines with built in LM-45 stabilization are featured which meet IES and EN measurement methods. Integral software also communicates with third party power supplies (AC & DC) as well as power meters, temperature monitors and temperature controllers. Integral redefines the way light is measured and revolutionizes how lighting measurements and control are synthesised into useful information. The innovative HTML5-based application software is for general lighting measurement control, test and reporting. The Application Program Interface (API) options were developed to work with your existing business software and product line integration.

Key Features

  • Illumia Plus 2 system control and reporting
  • Lamp and luminaire warm-up stability control and reporting
  • Compatible with auxiliary test equipment from Labsphere as well as third party vendors such as Chroma, Yokogawa, Arroyo and more
  • Built on HTML5 code which allows for measurements to be performed remotely and on any computing device, including laptops, tablets and smart phones
  • Multiple users can access multiple test stations from anywhere
  • 32-bit API supports LabVIEW®, .NET and C
  • Includes temporal plotting capabilities (e.g. lumens versus time)

Measurement Parameters

  • Spectral radiant flux (W/nm, 350-1100nm – depending on spectrometer chosen).
  • Luminous flux (lumens).
  • Scotopic flux (lumens).
  • Luminous efficacy (lumens/Watt) – NB requires optional hardware.
  • CIE xy, uv & u’v’ chromaticity.
  • Correlated colour temperature, CCT (Kelvin) & Δ
  • Dominant wavelength (nm) & purity (%).
  • Spectral features (peak wavelength, FWHM & centroid wavelength).
  • ANSI C78.377-2015, SSL-2015 coordinates, fixed and flex binning.
  • CIE colour rendering index (CRI), Ra & R1-15.
  • CQS colour rendering index.
  • IES TM-30-18 colour rendering, including the Rf fidelity and the Rg gamut indices.
  • Radiometric measurements for horticultural lighting (PAR, PPF & PPFD).
  • Flicker metrics – NB requires optional hardware.

 

NEW Enhancements and Features with INTEGRAL 5.0

Integral 5.0 adds significant new features. These changes improve the quality, user experience and functionality of the software to meet and exceed the new IES LM-79-19 testing and reporting requirements with greater flexibility. The following upgrades are featured in the Integral 5.0 release. Please note that Integral can now run in the new Chromium-based Microsoft Edge browser.

Support for New Hardware

  • Labsphere’s ICM 500 Integral sphere control module.
  • NIRQuest 512 spectrometer from Ocean Insight.
  • DC Power Supplies.
  • Labsphere’s LPS series programmable DCV power supplies.
  • TDK Lambda GEN30-25.
  • TDK Lambda GEN150-5.
  • Xitron XT2640 power meter.
  • Control updates to Omega TC-08 temperature control module.

User Interface Enhancements

  • Graphs and reporting:
    • Waveform graphs.
    • Colorimetry graphs.
    • “Test Results” section updated.
  • (x10/y10) added to CIE 1964 10-degree observer.
  • A dropdown to CIE 1931 colour space graph which lets you select a standard illuminant (A, B, C, D-series, E & F-series).
  • New luminous flux multiplier.
  • CAL lamp only option added to [Create Calibration].
  • Continuous scanning timeout (min) feature added to spectrometer hardware settings:
    • 1 minute minimum.
    • Up to 96 hours.
    • Scan Frequency updated from 30->60 minutes max.
  • Power supply setting: toggle remote sensing.

New Metrics Added

  • Flicker-iP metrics – NB requires optional hardware.
  • Sample rate (Hz) metric added to test results.
  • Scan duration (ms) metric added to test results.
  • PstLM scan duration (ms) metric added to test results.
  • Export reorganised into data groups (device/data/time series).
  • LM-82: added “Test Results” module for Tb/Td/Tint.
  • Power meters: added a disable metrics toggle to device settings.
  • IES LM-79/LM-82 & CIE S025 stabilisation routines: added target voltage/current DUT metrics when applicable.

Measuring Flicker with the Labsphere Flicker BT High Speed Photometer

Labsphere Flicker-BT Photometer

The Labsphere Flicker-BT is a benchtop flicker photometer designed to measure temporal lighting artefacts. The health effects of flicker are divided into visible and invisible flicker. Labsphere makes it easy to measure all of the latest flicker metrics with Flicker-BT software.

Flicker-BT reports the following flicker metrics:

  • Lamp light output periodic frequency
  • Short term flicker (Pst)
  • Percent flicker
  • ASSIST flicker perception metric (Mp)
  • Flicker index
  • Stroboscopic visibility measure (SVM)

 

Labsphere’s Flicker-BT sensor is integrated with a signal condition module that connects directly to a PC – no external power is required. Data acquisition and analysis is performed either with the Flicker-IP software or with the Integral® software that controls the Illumia Plus 2 system.

Flicker-BT Specifications

Spectral range: 380 to 780nm.

Sampling rate: 10 Hz (LOW) & 5000 Hz (HIGH).

Data recording rate: 5 kHz with internal sample rate of 20 kHz.

Recording interval: 0.1 to 0.0002 seconds

Measurement time range: 120 ms to 12 s

Percent flicker range: 0-100%

Lamp light output periodic frequency range: 0-2500 Hz

Click on the “Resources” tab above to download a datasheet for the Flicker-BT photometer.

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