ENMAT LED Light Sensor

Adapters

LED Light Sensor

 

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pdf_icon Light Sensor Connection Guide

 

Product Description

The ENMAT LED Light sensor picks up the light output pulses from single phase or 3-phase energy meters and converts this into an electrical pulse.

The electric pulse can then be used in a suitable logger to monitor energy usage.

The LED Light sensor is designed to work with the ENMAT Lite Data Logger

  • Easy attachment
  • Non-intrusive
  • Measures the same power as the revenue meter
  • Low cost
  • Only one needed on 3-phase systems

 

The LED Light sensor is extremely easy to install. The black cross on the unit assists the user to line up the optical sensor with the LED on the energy meter. The LED Light sensor is provided with a sticky pad which is used to attach it to the meter.

The photograph at the bottom of this page shows the LED Light sensor installed on a typical 3-phase electricity meter.

The unit is supplied with 1 meter of twin cable. The more negative side of the two wires is marked with a black line.

Every time the LED on the energy meter pulses, the resistance of the optical sensor drops to below 2kohms. The exact value of this resistance depends on the brightness of the LED on the meter and the alignment of the optical sensor when it is attached to the meter.

To detect this pulse, the electronics on the logger should have a pull up resistance of at least 10kohms.

ENMAT_Light_Sensor

 

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