Transducers and Probes. Ultrasonic Transducers. Select from a variety of cable grades to meet your specific application needs. Standard lengths 3' (1 m), 4' (1.2 m), 6' (1.8 m). When ordering, replace the x in the part number with the desired cable length in feet. Custom cable lengths are available; please specify when ordering.
1 Hematocrit measures the percentage of a person's total blood volume that consists of red blood cells. 2  Red blood cell indices are calculations that provide information on the physical characteristics of the RBCs: 3  Mean corpuscular volume (MCV) is a measurement of the average size of a single red blood cell.
Results. A parathyroid hormone (PTH) blood test measures the level of parathyroid hormone in the blood. The test is used to help identify hyperparathyroidism, to find the cause of abnormal calcium levels, or to check the status of chronic kidney disease.