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New SDD Shadow Detector with GREEN LASER Grid - Shadow & Vibration Detection - Part 6 of 6

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Published on Feb 2, 2012

The New DAS-SDD Shadow Detection Device was designed by Gary Galka of DAS. The SDD device will be initially introduced as part of the popular Mel Meter series called the Mel-8704R-REM-SDD. The SDD utilizes a computer processor coupled with an LDR & proprietary software and self calibrating software algorithm to analyze subtle luminous intensity variations. The auto calibration determines battery drain associated with the SDD circuit and illumination source, and then optimizes the SDD performance to achieve up to 8 hours of continuous operation. Luminous intensity changes are then converted into sound that your ears can discern.
You can use the SDD with:
* RED, GREEN or WHITE LEDs and even a Flashlight
* A RED or GREEN Laser Grid
* A RED or GREEN Laser Pointer
* The Mel Meter Flashlight can be used as a diffuse reflective sensor to detect reflective surfaces or self illuminating objects that appear in the field of view.
* You can use the subtle light from a RED exit sign, street light coming through a window any other "stable" indirect incandescent light. We also have a model that can use multiple sensors so that you can essentially create a 50-100' light curtain from floor to ceiling that spans the entire length of a hallway, stairwell or cover an entire room from one wall to the next. Alignment is eliminated using only ONE diffuse illuminator
A Red, Green or White LED and Laser Illumination source can be used up to 70' away. When something interrupts the calibrated field of view (less light) quickly, a descending series of tones will sound. If an objects dwells within the beam or is self illuminating (increased light level) ascending toes will be heard.
The Mel-SDD can also be used without the Illuminator. You can turn on the Mel Red Flashlight and it can be used as a diffuse reflective sensor.
Objects that reflect light, or that are self illuminating can also be detected. The Mel-SDD has 5 sensitivity settings. So that the device can be configured for a variety of investigative styles and circumstances. You can even use the illumination from a candle, exit sign or full moon shining through a window. Application technique really depends on the creativity of the person using the device.

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