Electromagnetic
Guidance and manufacturer’s declaration— electromagnetic immunity
The Grafco Ultrasound Pocket Doppler System is intended for use in the electromagnetic environment specified below. Do not use the system in environments which do not comply with the specifications listed below.
Immunity | IEC 60601 | Compliance | Electromagnetic |
test | test level | level | |
Radiated | 3 V/m 80 | 3 V/m | Portable and mobile RF |
RF IEC | MHz to 2.5 |
| communications equipment |
GHz |
| should be used no closer to any | |
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| part of the Grafco Ultrasound |
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| Pocket Doppler, including |
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| cables, than the recommended |
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| separation distance calculated |
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| from the equation applicable to |
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| the frequency of the transmitter. |
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| Recommended separation |
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| distance |
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| 80 MHz to |
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| 800 MHz |
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| 800 MHz to |
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| 2.5 GHz |
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| Where P is the maximum output |
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| power rating of the transmitter |
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| in watts (W) according to the |
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| transmitter manufacturer and d |
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| is the recommended separation |
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| distance in meters (m). |
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| Field strengths from fixed RF |
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| transmitters, as determined |
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| by an electromagnetic site |
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| survey,a should be less than |
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| the compliance level in each |
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| frequency range.b |
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| Interference may occur in the |
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| vicinity of equipment marked |
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| with the following symbol: |
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| 37 |
