Services

Kyokko Trading Co.,Ltd. provides full maintenance and calibration service for your insruments such as photometers, illuminance meters, colorimeters and spectroradiometers. Our facility can provide NIST traceable calibration service and our service engineers provide measurement services for lamp characterization, instrument chracterization and measurements of displays and sources. If you have any metrology requirement please contact our service section in Tokyo.

Dark Room #1

Size of dark room	258cm x 535cm
Length of Optical Bench	4,000mm
Power Supply	Single AC100V 30A 50Hz

Dark Room #2

Dark Room #1

Size of dark room	339cm x 466cm
Length of Optical Bench	2,800mm
Size of Optical Table	3,000 x 1,500mm(Vibration Isolation)
Power Supply	Single AC100V 30A 50Hz

Dark Room Facilities:

Product	Calibration or Parameter	Model	Manufactures
Standard	Luminance, color temperature, spectral radiance	OL462-6-1	Optronic Laboratories,Inc
Standard	Luminance, color temperature, spectral radiance	OL455-6-1 2 units	Optronic Laboratories,Inc
Standard	Luminance, color temperature	LS-65-8B	Hofman Engineering Corp.
Standard	Luminance, illuminance, color temperature, spectral irradiance	OL345RP	Optronic Laboratories,Inc
Standard	Spectral irradiance(200-400nm)	OLUV40	Optronic Laboratories,Inc
NVIS Spectroradiometer	NVIS radiance, spectral radiance	OL750-NVG	Optronic Laboratories,Inc
VIS/NIR Spectroradiometer	Luminance, radiance, chromaticity coordinates, color temperature	PR-715	Photo Research Inc
Spectrocolorimeter	Luminance, radiance, chromaticity coordinates, color temperature	PR-650	Photo Research Inc
Pritchard Photometer	Luminance, colorimetry, color temperature	PR-1980A	Photo Research Inc
Radiometer/Photometer	Luminous Flux, luminance, radiance, irradiance	OL730C	Optronic Laboratories,Inc
Illuminance Meter	Illuminance(0.0001 to 600,000lx)	B 520	LMT
Programmable DC Current Source	10 to 100W	OL16A	Optronic Laboratories,Inc
Programmable DC Current Source	20 to 1000W	Model 2420	Keithley Instruments Inc.