| Probes | Description |
| SD2 2 Mhz | obstetrical probe optimized for deep penetration |
| SD3 3 MHz | obstetrical probe optimized for early fetal heartbeat detection and best for use during entire pregnancy. |
| SD4 4 MHz | for easy location of blood vessels. Broad wide angle and internally tilted crystals are optimized for finding vessels and ABI exam. |
| SD5 5 MHz | for identification of deeper vessels. Narrow beam and shape used for ABI exam and locating deeper vessels. |
| SD8 8 MHz | vascular probe. Narrow beam and shape for optimum sensitivity and ease of use. |
| SDW 2 MHz | Waterproof probe for obstetrical use. |