430-11902-02, Rev M
Table 14-1: System Specifications
Description
Specification
Temperature
Allows selection of desired tissue
temperature (temperature setpoint)
within the range of 5° to 95° C.
Normal Operating Condition:
ESU measures 15° to 120° C.
With ESU in the DELIVER
Mode
ESU displays “LO” or “HI”.
Outside of Normal Operating
Range
Power Limit
Allows selection of power limit
within the range of 1 W
– 150 W.
Time Measurement
0 to 600 seconds in increments of 1
second.
Shutdown Limits
Measured Temperature
Below 0° C or above 120° C.
Measured Impedance
Below 25 Ω or above 300 Ω for more
than 10 seconds.
Measured Current
RF output to the patient is limited if more
than 1 A (+20%,
–0%) flows in either
INDIFFERENT ELECTRODE.
Measurement Accuracy
Power
1
± 5%, ± 2 W (see Figure 14-1)
Impedance
1
± 5%, ± 5 Ω
Temperature
± 3%, ± 2° C (see Figure 14-2)
Dimensions and Weight
Height
6 in. (15 cm)
Width
14 in. (36 cm)
Depth
14 in. (36 cm)
Weight
22 lb. (10 kg)
Low-Frequency Leakage
Current
(50/60 Hz):
2
Normal Polarity, Intact
<10 µA
Chassis Ground
Normal Polarity, Ground
<50 µA
Open
<50 µA
Reverse Polarity, Ground
<50 µA
Open
Sink Current, at 120 V
<500 µA
Applied, All Inputs
Chassis Source Current,
Ground Open
Содержание COBRA 4810B
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