Ultrasound Power Meter - Digital / Portable - 50 mW Resolution
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Ultrasound Power Meter - Digital / Portable - 50 mW Resolution - 1

Ohmic Instruments 3081 Elm Point Industrial Dr. St. Charles, MO 63301 www.ohmicinstruments.com Sales: sales@ohmicinstruments.com Service: service@ohmicinstruments.com ULTRASOUND POWER METER MODEL UPM-DT-50SP Approved Electronics            RESOLUTION: 50mW (150 mW in grams mode) MEASUREMENT RANGE: 0 TO 30 WATTS FREQUENCY RANGE: .5 TO 10MHZ MEASURES PULSED OR CONTINUOUS POWER SELECTABLE READOUT IN WATTS OR GRAMS BATTERY OR LINE-POWERED DIGITAL LIQUID CRYSTAL DISPLAY OPTIONAL RS-232 OR USB INTERFACE AUTOMATIC ZEROING & STABILIZATION FIVE POINT CERTIFICATION (NIST TRACEABLE) UPM SERIES APPROVED BY FDA & NIST The Power Meter UPM-DT-50SP has a high contrast alphanumeric, 7 segment, 6 Digit, .6” High LCD display. Easy two button operation enables quick setup, zeroing and selection of the power reading in watts (custom) or grams. ACCURATE TESTING OF ULTRASOUND THERAPY EQUIPMENT OHMIC’s ultrasound watt meters have been used world-wide since 1977 and are a widely accepted standard for documenting the power output of medical transducers. The Model UPM-DT-50SP Ultrasound Power Meter was developed to test therapeutic and diagnostic transducers according to AIUM, JCAHO, FDA, and NIST guidelines. The performance of the UPM-DT-Series has been tested and verified to be within the limits of tolerance established by the Food & Drug Administration (FDA) and National Institute of Standards & Technology (NIST). The compact and light weight Model UPM-DT-50SP meets all the requirements of a portable test instrument with the reliability and proven performance of the UPM-DT-Series. The Model UPM-DT-50SP uses a 5” diameter, 3 1/2“ high test tank and utilizes the same method as the higher resolution UPM-DT-1 and UPM- DT-10. The Model UPM-DT-50SP is light weight weighing less than ten pounds and is simple to set up. Battery operation allows the unit to be used “on-site” for approximately 40 hours. This feature insures universal use without a need to verify proper power supply connection normally required in various countries. Principle of Operation The most reliable and repeatable means of measuring ultrasound power is by the radiation force method. The transducer to be tested is centered above a 45° airbacked cone target in de-gassed water. The coupling is made to a precision balance capable of resolving ± 0.15 watts. When acoustic energy is applied to the cone, the resultant force is directly proportional to the total radiated power. The test tank is lined with sonic absorbent rubber to prevent acoustic reflection. The balance is programmed to convert milligram magnitude forces direct to a readout in watts with good resolution. Measurement accuracy of the power meter can be verified by placing a calibrated weight on the cone’s support arm. (The supplied 1 gram calibration weight equals 14.7 watts.) WARRANTY: All products manufactured by OHMIC Instruments are warranted to be free of defects in material and workmanship for one year after delivery. Any equipment found to be defective within this period will be repaired or repl

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Ultrasound Power Meter - Digital / Portable - 50 mW Resolution - 2

SPECIFICATIONS: UPM-DT-50SP Approved Electronics Measurement Range 0 to 30 Watts, 0.05 watts minimum detectable power Transducer Frequency Maximum Transducer Diameter Ultrasound Test Media Degassed Water Integration Time 7 segment 6 Digit 0.6” (15mm) high LCD Data Output Line Power 120 VAC to 12 VAC 500 mA adapter with 6 Ft. cord Battery Operation 4-AA: battery life over 40 hrs.; Battery Level Indicator The cone target and transducer positioner. Tank not shown to allow viewing of the cone target. The front display panel showing the simple two button operation and the 15 mm (0.6” high LCD...

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