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LM-7M Luminance Meter

LM-7M Luminance Meter, filter near CIE Y curve, which is the best device for measuring the Luminance of the displays. High sensitive silicon photodiode sensor for short distance and high precision luminance measurement. Luminance measurement as low as 0.001cd/m2, standard measurement software, instrument continuous and interval measurement via computer control and view data through software.

LM-7M Luminance Meter Overview

LM-7A luminance measurement device, optional desktop controller, robust and precise measurement devices, LCD display designed to show measurement values directly. The instrument can be calibrated and the measurement values are consistent with BM-7A/CS-2000. Conventional used for Luminance measurement on the production line. Optional probes with different measuring diameters. RS232 interface for remote monitoring of computer. Widely used in backlight modules, LCD displays, OLED, various FPD, and optical material measurement.

RayCloudsLM-7M Luminance Meter Characteristic

High Sensitive

High Sensitive Silicon Photodiode Sensor

Low Noise, High Sensitive Board Design

Luminance Measurement

Luminance as low as 0.001cd/m2

High Speed • High Accuracy

Iterative Precision:±1%(Lv)

Accuracy:±3%(Lv)

Sampling rate up to 100Kbs

LM-7M Luminance Meter Advantage

Luminance, GAMMA And Flicker

Filter near CIE Y curve

Flicker

Accurate Measurement with High Frequency

Simultaneous measurement FMA and JEITA modes

Software

Standard measurement software, instrument continuous and interval measurement via computer control and view data through software .

LM-7M Luminance Meter 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

5th

Expose time

1msec~5sec

A/D resolution

16bit

Display range

Luminance

Measurement Range

Accuracy*¹

≥5cd/m2±2%

Repeatability(σ)*¹

≥5cd/m20.5%

Flicker

FMA

Display range:0~100%; Accuracy:±1%

JEITA

Measurement range:≥10 cd/m2

Frequency range:0~128HZ

Accuracy:±0.5db

Measurement speed

5sec

≥5cd/m2

20/sec

Flicker (JEITA or FMA)

1024/sec

Interface

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.

LM-7M Luminance Meter Ordering Details

Name

Category

Number

Probe

Ø10mm

27MM

LM-P-10

LM-P-27

Data Cable

2m

3m

5m

10m

LM-USB-02

LM-USB-03

LM-USB-05

LM-USB-10

Power

5V-3A

LM-PW-05

LM Software

LM-V1.0

Software Manual

LM Software

LM-SM-V1

Key

USB

LM-KEY-19

Calibration Certificate

Standard Light Source A

LED Light Source

Standard LCD at 6500K

LM-CAL-A

LM-CAL-LED

LM-CAL-LCD

Probe Mask(Optional)

Black Mask

LM-PM-01

Measurement Bracket(Optional)

Probe Bracket (Big)

Probe Bracket (Small)

LM-BL-01

LM-BS-02

Instrument Bag(Optional)

L*W*H (290*90*90mm)

LM-PK-041

*Note: Please order the appropriate product specifications according to your needs.



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