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) |
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|
Measurement area |
Ø10mm or Ø27mm |
|
|
Working Distance |
30 ± 5mm |
|
|
Acceptance angle |
5th |
|
|
Expose time |
1msec~5sec |
|
|
A/D resolution |
16bit |
|
|
Display range |
||
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Luminance |
Measurement Range |
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Accuracy*¹ |
≥5cd/m2±2% |
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Repeatability(σ)*¹ |
≥5cd/m20.5% |
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Flicker |
FMA |
Display range:0~100%; Accuracy:±1% |
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JEITA |
Measurement range:≥10 cd/m2 |
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Frequency range:0~128HZ |
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Accuracy:±0.5db |
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Measurement speed |
5sec |
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≥5cd/m2 |
20/sec |
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Flicker (JEITA or FMA) |
1024/sec |
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Interface |
||
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Operating temperature |
5 to 50ºC |
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Input Voltage |
AC 220V |
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*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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