Steps for installing a sensor on DOC 200 trap
First, drill a 3mm hole into the side of the DOC 200 trap, this needs to be drilled quite high and not right in the centre (this is so that the magnet that will be placed inside doesn’t hit the plate and shatter it)
Then get an m3 stainless steel screw and put it into the hole, along with the ring magnet and a nylock nut. (Shown in image below)
After that, get a block of wood and drill it to the outside of the trap. This will be placed next to the trap when it is set. Screw the trap sensor to the top of this wooden block. When the trap is sprung, the sensor will detect the magnet and will notify you that it has been sprung.