Specifications
44
Key features
• Compact, lightweight, pocket 
size
• Labeled hot keys for common 
settings
• 12-lead ECG simulation
• Respiration and temperature 
simulation
• Two-channel invasive blood 
pressure simulation
• Cardiac output simulation
• Adult and pediatric normal 
sinus rhythms
• 35 arrhythmia selections
• ECG performance waveforms
• ST segment levels
• ECG artifact
• Pacemaker simulation
• RS-232 serial port for computer 
control
• Battery operated
• PS420/DPM1B Bundle Kit with 
custom carrying case for quick 
ECG/NIBP patient monitoring 
testing
Specications
ECG
Normal rate 80 BPM
Selectable rates 30 BPM, 40 BPM, 60 BPM, 80 BPM, 100 BPM, 120 BPM, 
140 BPM, 160 BPM, 180 BPM, 200 BPM, 220 BPM, 240 BPM, 
260 BPM, 280 BPM, and 300 BPM
Accuracy ± 1 %
Output impedance
500 Ω, 1000 Ω, 1500 Ω, and 2000 Ω for leads I, II, and III
ECG amplitudes 0.5 mV, 1 mV, 1.5 mV, and 2 mV
Amplitude accuracy ± 2 % lead II
Adult or pediatric ECG waveform
Lead II square wave 2 Hz, 0.125 Hz
Pulse 30 BPM and 60 BPM, 60 ms pulse width
Sine wave 0.5 Hz, 4 Hz, 10 Hz, 40 Hz, 50 Hz, and 60 Hz (1 mV amplitude, 
lead II)
Triangle wave 2 Hz
ST segment analysis
Elevated or depressed -0.8 mV to +0.8 mV in 0.1 mV steps
Pacemaker
Pacer spike Amplitude: 2 mV, 4 mV, and 6 mV in lead II
Accuracy: ± 5 %, Lead II
Pacer spike Duration: 0.1 ms, 0.5 ms, 1 ms, 1.5 ms, and 2 ms in lead II
Accuracy: ± 5 %
Functions Asynchronous pacemaker
Pacer non-function
Pacer non-capture
Demand occasional sinus
Demand frequent sinus
AV sequential
The PS420 is a handheld, high-
performance simulator for 
testing patient monitors.
Small enough to fit in a pocket, 
the handy PS420 features a wide 
variety of simulation capability, 
including a full range of ECG, respi-
ration, blood pressure, temperature 
and cardiac output conditions. The 
tool includes 12-lead ECG, two-
channel blood pressure simulation, 
35 arrhythmia selections, pacemaker 
simulation as well as adult and 
pediatric normal sinus rhythms.
For convenient use, labeled hot 
keys on the keypad guide users 
to the most common settings.
PS420
Patient Simulator
Patient Simulators
riešenia na presné meranie
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