Extech etk35 true rms multimeter kit with ex205t dmm ma435t clamp meter extech etk35 the extech etk35 digital multimeter and clamp meter kit is a special value electrical test kit comprising a pair of true rms multi meters the ex205t dmm provides all the electrical testing needs for installation and repair of electrical systems hvac equipment and large appliances while the ma435t ac dc clamp meter is for automotive and motor applications the ma435t also has the facility to measure temp