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SECTION 10 APPENDIX I

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10-2

10.2 SENSOR SIMULATOR: P/N: 186-0137

Description of device:

The Sensor Simulator is a service tool that allows for the verification of proper impedance

values being detected by the BIS VISTA Monitoring System during the Sensor Check. This

test is part of the initial test that each system performs. The simulator also allows for safety

testing of the system in the field by allowing connection of the test equipment to the

monitor via the Patient Interface Cable (PIC).

NOTE:

The life expectancy of the Sensor Simulator is 25 connect / disconnect cycles.

S1 – S4 connect to 4 input signal pins on the PIC. The Inputs (+ and -) are where one

connects the test signals to test the BIS VISTA system.

Figure 8 - Schematic of Sensor Simulator Circuit

Test types allowed:

Sensor Check:

The Sensor Check tests and verifies that the monitor is reporting the proper impedance

values provided by the Sensor Simulator. This procedure verifies functionality of the BIS

VISTA Monitoring System. See Section 7.2.3 “PIC Checkout Procedure” for instructions.

Safety Testing: Leakage Current

Leakage Current testing should be performed by a qualified Biomedical Engineering

Technician or authorized personnel only. See Section 6.4 “Checking Leakage Current” for

instructions.

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Aspect BIS VISTA Spécifications Page 86