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RayClouds Photoelectric Technology Co.,Ltd.
RayClouds Photoelectric Technology Co.,Ltd.

Specification

Model

LM-7M

LM-7A

Detector

Silicon photo cell (CIE 1931 Y filter) (Max five probes supported)

Measurement area

Ø10mm or Ø27mm

Working Distance

30±5mm

Acceptance angle

Expose time

1msec~5sec

A/D resolution

16bit

Display range

0.0001 to 20,000cd/m2

Luminance

Measurement Range

0.001 to 2000,000cd/m2

Accuracy*¹

0.1~5cd/m2 ±3%

≥5cd/m2 ±2%

Repeatability(σ)*¹

0.1~5cd/m2 1%

≥5cd/m2 0.5%

Flicker

FMA

Display range:0~100%; Accuracy:±1%

JEITA

Measurement range:10 cd/m2

Frequency range:0~128HZ

Accuracy:±0.5db

Measurement speed

0.1~5cd/m2

5sec

≥5cd/m2

20/sec

Flicker (JEITA or FMA)

1024/sec

Interface

USB2.0

Operating temperature

5 to 50ºC

Input Voltage

AC 220V

*1. Measurement of luminance and chromaticity in the RayClouds conditions (using the standard LCD screen (6500K, 9300K)).
*Specifications and appearance are subject to change without prior notice.


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