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LGS 350 – Perfect for mid-sized SSL light sources and LED modules

Mã sản phẩm: LGS 350
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Hãng SX: Instrument Systems
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LGS 350 – Perfect for mid-sized SSL light sources and LED modules



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LGS 350 – Perfect for mid-sized SSL light sources and LED modules

The LGS 350 Goniophotometer / Goniospectroradiometer was developed for the analysis of angle-dependent spatial radiation properties from small to medium-sized SSL luminaires and LED modules. The test specimen is operated in a horizontal burning position and measurements can be taken at an angular range of ±160° in the gamma / theta axis.

Combined with a spectroradiometer from Instrument Systems, all spectral quantities such as color coordinates, color temperature and even color rendering index are determined as a function of angle. The Optronik DSP Photometer can also be used to carry out C-plane measurements very quickly “on the fly”.

LGS 350 Goniophotometer

The complete system

The LGS 350 comprises the goniometer with a sample plate for fixing the test specimen and the LGS Controller that drives the stepper motor and the angle display. If a photometer is used, the LGS Controller also displays the measured values in candela or lux.

The following versions of the LGS 350 are supplied:

  • Goniometer with stable base and integrated LGS Controller. The structure is particularly space-saving and compact, as well as providing very high mechanical stability with the floor.
  • Goniometer in benchtop version with separate 19” rack for the LGS Controller. This configuration is mobile and can be used flexibly.

Features

  • Type C goniophotometer with horizontal optical axis
  • For samples up to 700 mm diameter and 8 kg weight
  • Accurate determination of the luminous intensity distribution and luminous flux
  • Angular-resolved analysis of spectral and colorimetric quantities
  • Data export in IES and EULUMDAT format

Technical specifications:

LGS 350 Goniophotometer
Goniometer
CIE goniometer type Type C with horizontal optical axis
Driver Stepper motors
Angular range C axis ± 160° with reset switches
Angular range Gamma axis ± 160° with reset switches
Resolution of the angle encoder 0,01°
Reproducibility C axis ≤ 0,1° (at max. sample load)
Reproducibility Gamma axis ≤ 0,05° (at max. sample load)
Angular speed C axis 16 speeds selectable from 2.5°/s to 36°/s
Angular speed Gamma axis 16 speeds selectable from 2.1°/s to 34°/s
Clear width C axis - swivel arm 370 mm
Sample table
Maximum sample size 700 x 140 mm² or 640 x 230 mm² or 500 x 500 mm² (in each case for symmetrical mounting)
Maximum sample mass 8 kg

Ordering information:

Order no. Description
Goniometer
LGS350-100 LGS 350 Goniometer in stable base version; C, γ coordinate system with horizontal optical axis; integrated 19” rack with control and monitor modules (includes space for another 2 modules); without photometer or spectroradiometer
LGS350-110 LGS 350 Goniometer in benchtop version; C, γ coordinate system with horizontal optical axis; separate 19” rack for control and monitor modules; without photometer or spectroradiometer
Options
LGS350-300 Optional 115 V AC power supply unit for LGS 350
LGS350-310 Optional 19” freestanding rack for LGS350-110; 33 U high (170 cm) for accommodating additional units
LGS350-320 RecoCAN remote control for manual angle positioning
LGS350-330 LGS SwitchBox module for integration of electrical supply and taking measurements of the sample
LGS350-340 Optical bench for fast and easy adjustment of the measurement distance; basic module with 2.5 m length
LGS350-341 Carrier for LGS-440 stray light tube; for use with optical bench
LGS350-342 Carrier for LGS-450 stray light tube; for use with optical bench
LGS350-345 Optical bench; extension module with 2.5 m length
LGS350-505 Adapter with CEE7/4 AC-power socket for sample connector plate
LGS350-510 Sample holder for LED-850 TEC adapter for LEDs
LGS350-520 Sample holder for LED-870 TEC adapter for small LED modules
LGS350-550 Universal sample holder for mid-size LED modules and lamps
LGS350-570 Sample holder for lamps with E27 standard sockets
Accessories
LGS-410 Stand with mount for a straylight tube; height of the optical axis approx. 1200-1400 mm (variable)
LGS-440 Straylight tube with ±4.5° field of view for measuring of luminous intensity distributions in the far field; for EOP 120 or photometer head
LGS-450 Straylight tube with ±30° field of view; for measuring of luminous flux in the near field; for EOP 120 or photometer head
LGS-470 Rack for spectroradiometer CAS 140CT
AC current sources and power meters
W-301 100 V / 115 V mains voltage for AC current sources with 250, 500 and 1000 W
W-302 240 V mains voltage for AC current sources with 250, 500 and 1000 W
W-310 AC current source 250 VA
W-310-1 AC current source 250 VA and expanded voltage range 0-500 V AC
W-320 AC current source 500 VA
W-320-1 AC current source 500 VA and expanded voltage range 0-500 V AC
W-330 AC current source 1000 VA
W-330-1 AC current source 1000 VA and expanded voltage range 0-500 V AC
W-410 Measuring unit for determining electrical quantities
Photometer
LGS-610 Photometer comprising photometer head (10 x 10 mm detector aperture), class L in conformity with DIN5032-7, EN-DIN13032-1, CIE69; DSP measuring amplifier with digital signal processor for connecting to the LGS Controller; incl. mounting plate for stand
LGS-620 Cosine corrected photometer comprising photometer head (detector aperture 12 mm diameter), class L in conformity with DIN5032-7, EN-DIN13032-1, CIE69; DSP measuring amplifier with digital signal processor for connecting to the LGS Controller; incl. mounting plate for stand
CAL-630 Calibration in illuminance; incl. factory calibration certificate and verification of spectral correction of the detector

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