PS420

PS420 Multiparameter Patient Simulator

The PS420 Patient Simulator 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, respiration, 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.

Key Features

Compact, lightweight, pocketsize
Labeled hot keys for common settings
12-lead ECG
Respiration and temperature selection
Two-channel blood pressure simulation
Optional cardiac output
Adult and pediatric normal sinus rhythms
35 arrhythmia selections
ECG performance waveforms
ST segment levels
ECG artifact
Pacemaker simulation
RS232 serial port for computer control
Battery operated

Specifications

ECG

Normal Rate:	80 BPM
Selectable Rates:	30, 40, 60, 80, 100, 120, 140, 160, 180,
	200, 220, 240, 260, 280, 300 BPM
Accuracy:	+ 1 %
Output Impedance:	500, 1000, 1500, 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
Waveform Type:	Adult or Pediatric ECG Waveform

Performance Waveform

Lead II Square Wave:

2 Hz, 0.125 Hz

Pulse:

30 and 60 BPM, 60 ms pulse width

Sine Wave:

0.5, 4, 10, 40 50, 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, 4, 8, and 10 mV in Lead II

Accuracy:

+ 5 %, lead II

Pacer Spike Duration:

0.1, 0.5, 1, 1.5, and 2 ms

Accuracy:

+ 5 %

Selections:

	Asynchronous Pacemaker
	Pacer Non-Function
	Pacer Non-Capture
	Demand Occasional Sinus
	Demand Frequent Sinus
	AV Sequential

Blood Pressure

Input/Output Impedance:

350 Ω

Exciter Input Limit:

+ 10 V

Exciter Input Frequency Range

: DC to 4000 Hz

Transducer Sensitivity:

5 or 40 µV/V/mmHg

Level Accuracy:

+ 1 %, + 1 mmHg

Static Levels BP1:

- 10, 0, 50, 100, 150, 200, 250 mmHg

Static Levels BP2:

- 10, 0, 80, 160, 240, 320, 400 mmHg

Channel Selections:

	Arterial 120/80, Channel 1 and 2
	Radial Artery 120/80, Channel 1 and 2
	Left Ventricle 120/00, Channel 1 and 2
	Right Ventricle 25/00, Channel 1 and 2
	Central Venous 15/10, Channel 2
	Pulmonary Artery 25/10, Channel 2
	Pulmonary Wedge 10/2, Channel 2
	Left Atrium 14/4; Automatic Swan/Ganz (every 20 sec)
	Manual Swan/Ganz (changes when entry is selected), Channel2

Note:

Synchronized with all normal sinus rates. Physiologically track all arrhythmia selection

Cardiac Output

must have optional Cardiac Output Adapter Box p/n 2462200

Catheter Type:	Baxter Edwards, 10 cc
Blood Temperature:	98.6 ˚F (37 ˚C)
CO for 35.6 ˚F (2 ˚C):	3, 5, 7 l/min
CO for 68 ˚F (20 ˚C):	3, 5, 7 l/min
Cal Pulse:	Of 1 ˚C for 1 sec; of Delta 402 Ω for 4 sec.
Computational Constant:	For 35.6 ˚F (2 ˚C) is 0.561; for 68 ˚F (20 ˚C) is 0.608
Left to Right Shunt:	35.6 and 68 ˚F (2 and 20 ˚C)
Faulty Injectate:	35.6 and 68 ˚F (2 and 20 ˚C)
Accuracy:	+ 5 %
Notes:	Calibrated or uncalibrated cardiac output waves for 4 different CO values.

Respiration

Baseline Impedance:

	500, 1000, 1500, and 2000 Ω, Leads I, II,
	and III

Lead Selections:

LL or LA

Impedance Variations

3, 1, 0.5, and 0.2 Ω

Accuracy:

+ 5%

Rates:

	15, 20, 30, 40, 60, 80, 100, 120, and 0
	BPM for Apnea

Accuracy:

+ 2 %

Apnea:

	12 seconds, 22 seconds, 32 seconds, and
	continuous

Temperature

Compatibility:

YSI 400/700 Series

Temperature:

	86, 95, 98.6, 104, and 107.6 ˚F (30, 35, 37,
	40 and 42 ˚C)

Temperature Simulation Accuracy:

+ 0.25 ˚C

Arrhythmias

	Base Rate of 80 BPM
	Sinus Arrhythmia
	Atrial (PAC)*
	Missed Beat*
	Atrial Tachycardia
	Atrial Flutter
	Nodal (PNC)*
	Nodal Rhythm
	Supraventricular Tachycardia
	PVC1 Left Ventricular Focus*
	PVC 1 Early, LV Focus *
	PVC1 R on T, LV Focus*
	PVC2 Right Ventricular Focus*
	PVC2 Early, RV Focus*
	PVC2 R on T, RV Focus*
	Multifocal PVCs*
	Atrial Fibrillation Coarse/Fine
	PVCs 6/minute
	PVCs 12/minute
	PVCs 24/minute
	Frequent Multifocal PVCs
	Bigeminy
	Trigeminy
	Pair PVCs*
	Run 5 PVCs *
	Run 11 PVCs*
	Ventricular Tachycardia
	Ventricular Fibrillation Coarse/Fine
	Asystole
	Conduction Defects
	First Degree
	Second Degree
	Third Degree
	Right Bundle Branch Block
	Right Bundle Branch Block
	*Will go to NSR ECG @ 80 BPM after completion

Artifacts

	50/60 Hz
	Muscle
	Baseline
	Respiration

General Information

Power:

9 V battery/battery eliminator

Housing:

ABS plastic case

Display:

2-line by 16-character LCD with keypad

RS232:

Bidirectional interface, 9600 Baud

Dimensions:

	6.1 in L x 3.7 in W x 1.3 in H ( 15.6 cm L
	x 9.4 cm W x 3.4 cm H)

Weight:

0.9 lb (0.4 kg)

Temperature Requirements:

	Operating: 59 ˚F to 95 ˚F (15˚C to 35 ˚C)
	Storage: 32 ˚F to 122 ˚F (0 ˚C to 50 ˚C)

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