No the senders are not included, you have to provide your own or purchase Blue Sea ultrasonic senders. The meter accepts the following:
North American Standard senders are resistive type senders that have a resistance between 240 and 33 ohms. (With 240 ohms indicating empty).
European Standard senders are resistive type senders that have a resistance between 10 and 180 ohms. (With 10 ohms indicating empty).
Blue Sea Systems Ultrasonic sender use sound waves to measure the distance from the sender to the top of the liquid in the tank. Blue Sea Systems
has two different senders, one for gasoline (1800) and one for diesel, water, and waste (1810)