The Pressac Sensing V1 Single Channel CT Clamp needs to be commissioned before use. There are 2 ways in which the unit can be commissioned.

  1. Self-powered learn
    As the unit is 100% energy harvesting, it can only perform a self-powered learn if it is clipped around a suitable conductor and there is a minimum of 1A flowing.  If this is the case, clip the CT clamp around the conductor and wait for a period of 30 seconds. With a suitable tool (sharp, non-metallic, non-conductive element), depress the learn button which is on the underside of the product. The LED should briefly flash. The Pressac Sensing CT Clamp is now commissioned.
  2. Manual registration.

Alternatively, the unit can be commissioned onto your EnOcean network manually. To do this you will need the unique EnOcean ID of the Pressac Sensing CT Clamp and also its EnOcean Equipment Profile. The EnOcean ID and the EEP are printed on the product label on the Pressac Sensing CT Clamp.

To be able to measure the current within a single-phase cable, the V1 Single Channel Pressac Sensing CT Clamp must be correctly clipped around the cable, ensuring that the ferrite cores within the clamp reliably and consistently touch each other. In permanent installations, the unit can be cable tied to the conductor for added security.

Once installed and commissioned, the value of electric current is transmitted every 5 seconds (868MHz & 902MHz) and 10 seconds (928MHz) for values of current between 1A and 63A. If a current lower than 1A is flowing, the V1 Single Channel Pressac Sensing CT Clamp will not report any information or transmit any EnOcean telegrams.

The product uses an EnOcean STM Module for transmitting the data wirelessly. It supports the following EEPs (EnOcean Equipment Profiles):

*EEP A5-12-01

*The EEP standard, A5-12-01 defines the measured units as Watts. This device reports the units in Amps.