Specifications and Requirements
E-4 ST80i Stress Test System Instructions for Use
Common mode rejection
Meets the requirements of ANSI/AAMI EC-11
Patient leakage current
Meets the requirements of ANSI/AAMI ES-1
Overall system error
Meets the requirements of ANSI/AAMI EC-11
Frequency response
Meets the requirements of ANSI/AAMI EC-11
Methods A and D were used to establish frequency
response.
Digital sampling rate
1,000 sample/sec/channel, used for recording and analysis
Recording technique
Thermal array printer, 200 dots per inch (dpi)
Paper type
Thermal, perforated, 8.5 in x 11 in Z-fold
Recorder
Recording speeds. 5mm/sec, 10mm/sec, 25mm/sec,
50mm/sec
Channels. User can select any channels to print on
thermal printer
Sensitivity. 2.5mm/mV, 5mm/mV, 10mm/mV,
20mm/mV
Gain 2.5mm/mV, 5mm/mV, 10mm/mV,
20mm/mV
Data acquisition Direct connect or wireless connection
using ST80i wireless patient interface
module
Max Power Rate
Consumption
Computer.
180 W
Monitor. 50 W
Thermal printer. 60 W
NIBP/SPO2 module 45 W
19"/24" Display 50 W
Desk light 5.5 W
USB Hub TBD
Isolation Transformer. 600 Volt Amps
Treadmill TBD
Device Classification
Class 1, Type CF defibrillator-proof applied parts
Data acquisition
Direct connect or wireless connection using ST80i digital
transmitter
External output
TTL and analog output
Table E-2 ST80i system specifications
Function Specifications
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