GE Medical Systems marquette Dash 2000, Service Manual, Page: 32 / 202

EQUIPMENT OVERVIEW: Performance Specifications
2-10 DASH 2000 Patient Monitor Revision A
2000 412-001
Analog Output
DeÞbrillator
Synchronization Pulse
Environmental
SpeciÞcations
ECG:
Gain: 1 V/mV ±10%
DC offset: ±100 mV (max)
Noise: <5 mVp-p (0-300 Hz)
Frequency response: 0.05 Hz to 100 Hz +7/-0 Hz
Marker out:
Time delay: 35 ms (max), R-wave peak to
leading edge of pulse.
Amplitude selectable in Service Menu
+5 V selection: 3.5 V (min) at 1 mA sourcing; 0.5 V
(max) at 5 mA sinking.
+12 V selection: 11.0 V (max) at 1 mA sourcing;
0.75 V (max) at 5 mA sinking.
Pulse width: 10 ms ±10% or 100 ms ±10% in
Service Menu
Output impedance: 50 Ohms nominal
Current limit: 15 mA nominal, both sourcing and
sinking.
Marker in:
Input threshold: VIH = +2.5 V (min);
VIL = +1.5 V (max)
Input hysteresis: 650 mV typical
Maximum input voltage: ±30 V (with respect to ground on
pin 2)
Input impedance: 10 k (min) for Ð25 V < Vin < 25 V
Pulse width: 1.0 ms (min), Vin < 2.5 V
Power requirements:
AC voltage: 100 Ð 240 VAC ±10%
Power consumption: 16 W normal use, 45 W fast charge
Cooling: Convection
Heat dissipation: 240 BTU/hr
Battery: nickel-cadmium (NiCd), 12 V,
2.0 ampere hours
Fuses: 100 Ð 240 VAC: T2.0A, 250 VAC,
5 x 20 mm
Design (general): Continuous, not protected against
ingress of liquids
Battery operation time:
General: Battery age will affect operating
time. SpO2 and NBP monitoring, as
well as battery age, reduce
operating time.
Monochrome LCD display: Typical operation time while
monitoring ECG is 3.5 hours from a
new, fully-charged battery.
Color LCD display: Typical operation time while
monitoring ECG is 3 hours from a
new, fully-charged battery.
Min. battery operating time: 1.5 hours
Battery charge time to 90%: 1 hour to 3 hours