XL2 Audio Analyzer. With the balanced XLR and unbalanced RCA inputs, the XL2 is a comprehensive audio analyzer. It simultaneously measures level, distortion (THD+N) and frequency.The internal loudspeaker or headphone is used for audible monitoring of the test signal or the residual distortion.L2 Audio Analyzer. With the balanced XLR and unbalanced RCA inputs, the XL2 is a comprehensive audio analyzer. It simultaneously measures level, distortion (THD+N) and frequency.
Leukocyte esterase is a screening test used to detect a substance that suggests there are white blood cells in the urine. This may mean you have a urinary tract infection. If this test is positive, the urine should be examined under a microscope for white blood cells and other signs that point to an infection.
Leukocytes in urine. If leukocytes (white blood cells) are found during a urine test, further investigation is required to ascertain your true health status. Using a urine test is a quick and inexpensive way to check for leukocytes in your urine, and is one of our test kit products that can be done in the privacy of your home. 0 - 10 leu/ul. 0 - 500leu/ul. This test indicates whether white blood cells are present in urine. pathological concentration: more than 20 leu/ul.