
Innomed Medical
Heart Screen 60G-80G-L
Service manual
2014.01.09 7/84
D-5450-1-B_HS60G80GL_SM_ENG.doc
4.6
HeartScreen 60G operating modes
Monitoring
1-channel ECG monitoring on the LCD from any lead.
Within this:
Manual printing
Manual recording from any lead group on 3 channels.
Automatic printing
Adjustable print length from the 12 standard ECG leads in 4x3
channel groups.
Record storage
(STO)
Automatic recording and storage from all groups.
Rhythm curve storage
(RTM)
1-channel rhythm curve storage.
Analysis creation
(ANL)
12-channel average QRS creation, numerical data table creation, 16s
rhythm curve storage from 1 channel.
Using the menus
Handling records stored in the device and settings.
Within this:
Catalog
(Menu / Catalog)
Used to handle stored records and related data.
Settings
(Menu / Settings)
Used to set basic device settings.
Alarm
(Menu / Alarm)
Used to set an alarm for when heart frequency upper and lower limit
values are reached.
Identifier
(Menu / Identifier)
Used to enter patient identifier code.
4.7
HeartScreen 60G lead groups
Standard or Cabrera
Standard leads.
The required lead mode may be set in the SETUP menu.
4.8
ECG amplifier
Input signal range
±
8 mVpp
Frequency run
0.05 Hz…150 Hz +0,-3 dB
Voltage measurement relative error
0.5 - 10 mV
±
3 %
Sensitivity
2.5, 5, 10, 20 mm/mV
Noise on the input
max. 20
µ
Vpp
Input impedance (informative)
min. 20 MOhm
Max. signal change speed
min. 4 mV/10ms
CMRR
min. 100 dB
DC tolerance
min.
±
320 mV DC
Pacemaker tolerance
max. 700mV/2ms
Pacemaker detection
min. 2mV/0.5ms max.700mV/2ms
Time constant
min. 3.2 sec
Patient leakage current
max. 10
µ
A
Blocking automatic
and
manual
Calibrating signal
1mV / 300ms
Muscle filter (digital)
35Hz +0/-3 dB
Mains filter (digital)
50 / 60 Hz digital
Mains filter - 20 dB point
50 Hz filter: 48.5 … 51.5 Hz
60 Hz filter: 59 … 61 Hz
Baseline filter (digital)
below 0.3Hz: complete repression
over 0.3Hz: complete pass through
Defibrillator tolerance
Only with defibrillator protected cable!
max. 360J, 5000V
4.9
Digitizing properties