Mindray DPM 1 Instrukcja Operatora Strona 231

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A-5
Conducting resistance < 1
Isolation voltage > 1500 VAC
Signal type Normally open or normally closed, selectable
Defibrillator synchronization pulse
Maximum time delay 35 ms (R-wave peak to leading edge of the pulse)
Amplitude 3.5 V (min) at 3 mA sourcing; 0.8 V (max) at 1 mA sinking
Pulse width 100 ms ±10%
Rising and falling time < 3 ms
VGA
Connector type 15-PIN D-sub socket
Signal RGB: 0.7 Vp-p/75;
Horizontal/vertical synchronization: TTL level
A.8 ECG Specifications
A.8.1 Mindray DS Software Package
Lead naming style AHA, EURO
Lead fault
The lead resistance is no greater than 51 kΩ and it is in parallel
with a 0.047 µF capacitor, it will not cause a lead fault condition.
For 3/5-lead, differential offsets ±300 mV, it will not cause a
lead fault condition.
Sensitivity selection
1.25 mm/mV (×0.125), 2.5 mm/mV (×0.25), 5 mm/mV (×0.5),
10 mm/mV (×1), 20 mm/mV (×2) and AUTO
Sweep speed 12.5 mm/s, 25 mm/s, 50 mm/s
Bandwidth (-3 dB)
Diagnostic mode:
Monitor mode:
Surgery mode:
0.05 to 100 Hz (812A module)
0.05 to 150 Hz (M08A module)
0.5 to 40 Hz
1 to 20 Hz
Diagnostic mode:
Monitor mode:
Surgery mode:
90 dB
105 dB
105 dB
Common mode rejection
(The notch filter is turned off.)
50/60Hz Notch Filtering The monitor provides software filtering against the 50/60HZ
industrial frequency.
In monitor and surgery modes, the 50/60HZ filter will be turned
on automatically.
In diagnostic mode, the 50/60HZ filter will be turned off.
Input offset current 0.1μA (except currents to drive leads)
Differential input
impedance
5M
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