Currently there are several parallel evaluation methods such as flicker%, IEEE 1789, PstLM or SVM and more complex evaluation methods are expected in the future.
Since the evaluation of the LiSens takes place via the app Flicker Measurement Studio on the software side, the measuring instrument is also prepared for future procedures by software update.
The LiSens achieves high measurement accuracy by using a V(Lambda) photodiode in combination with a sampling rate of 100kHz with 16 bit resolution. This allows dimmed light to be detected even at high PWM frequencies.
As a pro version, the flickermeter is also available with a 5 MHz high-speed converter for fast samples, e.g. spread spectrum PWM and is unique on the market.
This high measurement accuracy also makes the LiSens ideal for measurements in laboratories and development and is indispensable for manufacturers of lamps/luminaires and LED control gear.
The flicker sensor LiSens is operated and evaluated via a Windows PC or alternatively via an Android tablet or smart device.
This means that mobile use on site is also possible in conjunction with a smartphone or tablet.
|Optical sensor||spectral response analogous to CIE 1931 luminosity curve,fs value 8% typical|
|Measurement range||200/2000/20000 lx|
|Signal frequency range||0,1Hz to 10,0 kHz|
|Samplingrate||100 kHz, 16 Bit|
|Signal frequency range||up to 500,0 kHz|
|Samplingrate||100 kHz, 16 Bit/5 MHz, 8 Bit|
|0,1 s - 120 s|
data transmission mode
|Luminance||1 - 20000 lx|
|Precent Flicker, Flicker Index (IES), Modulation Depth, frequency, PMLM (IEC 61547)|
|SVM (CIE), Mp (ASSIST), IEEE 1789|
|Visualization||wave and spectrum diagram|
|Operation System||Android (6++), Windows 10|
|Interface||USB 2.0, Micro B|
|Power supply||USB powered, Lithium-ion battery|
|Charging||5 V DC, 100/500 mA per USB|
|112 x 69 x 34 mm|
|Ambient temperature||5 - 35°C|
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