by kowalski | Dec 8, 2016 | Calibration FAQ's, Ultrasound FAQ's
The model 115 uses a dual‐blower air system. Over time, these blowers will fail and require replacement. Even though the blowers are the same age, they will fail at different times. When the first blower fails, the second blower continues to operate and produce some...
by kowalski | Dec 8, 2016 | Calibration FAQ's, Ultrasound FAQ's
Some Chattanooga and Whitehall hot pack heating units use over‐temperature sensors to safeguard against a thermostat failure. The operational thermostat is set to maintain a temperature between 160° – 167°F, while the over‐temperature sensor is designed to trip around...
by kowalski | Dec 8, 2016 | Calibration FAQ's, Ultrasound FAQ's
The Kowalski Calibration CERTIFIED DEVICE sticker is more than just a date sticker. It represents a 26+ year dedication to maintaining safe and effective equipment. It represents an understanding of our role in the patient care circle, a role we accept and take very...
by kowalski | Dec 8, 2016 | Calibration FAQ's, Ultrasound FAQ's
Whether or not one is required to have it done, responsible clinicians ensure their equipment is operating safely and effectively for the benefit of their patients. Manufacturers recommend annual calibration for the reasons detailed in the “WHY IS IT NECESSARY TO...
by kowalski | Dec 8, 2016 | Calibration FAQ's, Ultrasound FAQ's
Ultrasound calibration can only occur if the output is measured using a high‐precision ultrasound watt meter. The output is sampled at various levels and compared to the machine’s output meter indication. If the difference between the meter indication and the actual...
by kowalski | Dec 8, 2016 | Calibration FAQ's, Ultrasound FAQ's
Ultrasound is generated by applying an alternating voltage to a synthetic crystal in order to produce high‐frequency sound waves. The crystals, typically made of lead zirconate titanate, expand and contract one million times each second for 1‐MHz output and three...