Optical counting

Pulse counting sensor using indicator lights on different types of meters (electric, heat, gas…).

Installation in minutes

Attach the optical sensor to a meter light and immediately retrieve consumption information.


Battery life up to 10 years (replaceable batteries).

Wireless Communication

Secure LoRa wireless link. Up to 15km communication distance in unobstructed view. GPRS version available.


– Meter (electric, heat, water…) with an indicator light that flashes according to consumption.
– LoRaWAN network or mobile network.

Use case

Remote meter reading for electricity, water, gas, heat….


Main board of the TyNess system allowing the connection of up to 2 additional boards. Compatible LoRa® and LoRaWAN.

Same as above, with GPRS module, allowing direct communication with a WEB platform (e.g. ewattchcloud.fr or third party platform) without using a gateway. The LoRa® module also integrated allows the concentration of up to 20 LoRa® wireless sensors from the Ewattch range.

Additional board and probe transforming light pulses into counts.