Probe for Echoscan T-300 ultrasound scanner Dual-frequency ultrasound probe at: 3.0, 4.0 MHz with a depth of 50-1 220 mm Scanning depth: 50 – 220 mm. Bi-frequency probe at: 3.0, 4.0 MHz 请求报价 333shop 80° sector scan Scan depth: 50 – 220 mm. Bi-frequency probe at: 3.0, 4.0 MHz