BC Biomedical ESU-2000 Series Guide Manual do Utilizador descarregar pdf (Página 22)

INPUT ZERO– The Input Zero offset can be slightly different between RF donuts. This

parameter accesses an auto-zeroing function that eliminates this offset. Independent

settings are saved for the 0.1:1 RF donut and 1:1 RF donut. The user can switch between

the two donut types without having to re-zero the input. The input needs to be zeroed only

when a new donut is introduced.

INPUT RANGE – The input range can be scaled to accommodate the signal that is being

measured. The input can be set to fixed ranges of 100mV Peak, 1000mV peak or Auto-

Ranging. For Auto-Ranging mode, the low range will be used for readings from 0.00 to

30.00 mV RMS. The high range will be used for 20.0 to 700.0 mV RMS.

INPUT MODE (ESU-2050P Only) – There are two input modes to allow for measurement

of continuous signals or pulsed signals. In Continuous Mode, the input is updated every

100 mS. This mode should be used for all Electrosurgical Generator waveform outputs in

general use generators. A number of Electrosurgical generator manufacturers offer

generators with pulsed outputs, where there is a long duty cycle (typically ½-second or

more) and the actual RF output of the generator is active for a brief period of time within

the duty cycle (typically 1/10

second or less). In Pulsed Mode, the input to the

ESU-2050P is only processed when a signal over 20 mV in amplitude is detected. The

ESU-2050P analyzes the pulsed input waveform and can provide the RMS readings for

either the overall input or the pulse only (see Diagram 1, Page 7).

NOTE: When set to Pulsed

Mode, a small graphic appears in

the upper right corner of the

screen to identify to the user that

the ESU-2050P is looking for a

pulsed RF input.

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BC Biomedical ESU-2000 Series Guide Manual do Utilizador Página 22