6
Ultrasonic Emitter
The emitter gives off a warble output centered at 40kHz. This
output cannot be heard by the human ear. If the red indicator is on,
the unit is emitting.
KIT CONFIGURATIONS AND COMPONENTS
SPI-MDT
—Master Kit with noise-canceling headphones
Master Kit Contains
1. The Marksman
II
ultrasonic receiver. This easy-to-use unit
incorporates audio feedback and five LEDs to indicate the
intensity of the signal. The receiver has a permanently fixed
2-inch directional receiver port, 3.5 mm stereo jack port,
sensitivity adjustment pad and power button.
2. One black rubber 7
3
/
8
inch (18.7 cm) air probe, and a
precision-length contact probe.
3. Choice of either a standard full-sized headphone set with a
3.5 mm stereo jack, or noise-canceling headphone set.
4. A rugged carrying case for storage and transportation.
5. The ultrasonic emitter. Sends out a 40kHz pulse for use in
testing seal integrity in non-pressurized vessels.
6. Two D-cell alkaline batteries.
7. The Marksman II features an integrated laser pointer. This
feature is designed to aid in pinpointing leak sites.
