The Echo transmitters offer multiple frequencies as well as two power levels that can be changed via the receiver or down hole. With a depth range of up to 110 meter, the Echo series transmitters are the most powerful, versatile, and easy to use transmitters on the market.
The Echo ST-H is a special transmitter designed for Hunting Intl. to be used in a 0.1 meter mud motor. Sold through Hunting Intl. only, this transmitter has two frequencies with high and low power. It is powered by two rechargeable lithium batteries with a battery life of 100 hours in standard power mode. The depth capability is 9.1 meter in high power mode.
The Echo ST is a single frequency transmitter for locating existing conduit in the ground. With a depth range of up to 20 meter and displaying both pitch and roll information, the Echo ST provides an excellent tracking tool.