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FREQUENTLY ASKED QUESTIONS

Defibrillator Analyzers

What is the function of a defibrillator Anlyzer ?

The function of the defibrillator ananalyzer is to test the energy and other functions of a defibrilator. Sinc there are many different types of defibrillators in the market, it is important to discuss and understand the major differences and some of the terminologyes used to differentialte them. The following are some of the frequently used terminologies associated with various defibrillators. 

What is Energy?:

Energy discharged by a defibrillator is expressed in Joules. The unit of joule is defined as one am of current passed through one ohm of resistance in one second.

What is Current?:

Current is what pass though th body when defibrillation occures to recitate a heart. It is expressed as Voltage /Impedence.

What is Impedence?:

 Impedence referenced here is the thoraci impedence of a patient undergoing defibrillation. It varies from patient to patient and the quality of contact between the patients body and the paddle (disposable pads used in AEds). 

 What are the differences of dicharged wavweforms? 

  • Monophasic Wavweform: It is a type of defibrillation waveform delivered to the heart as shown below. It is graphically a representation of current and time.

 

Comparison of features of differet Models - Delta 3000, Delta 3000A, Delta 2200 and Delta 1500

The functional differnece between the four Netech models Delta 3000, Delta 3000, Delta 2200 and Delta 1500 are shown below. 

Model

 

DELTA 3000

 

DELTA 3000A

DELTA 2200

DELTA 1500

Netech Part Number

PN: 650

PN: 650A

PN: 635

PN: 610

Description

Full function – 3 in one

Defibrillator Analyzer, Transcutaneous &

AV Sequential Pacer tester

Defibrillator & Transcutaneous Pacer Analyze r.

Bi-Phasic Defibrillator Analyzer with AED tester

Automated External Defibrillator Tester

Test Semi – automatic Defibrillators

YES

YES

YES

Only Automated External Defibrillators. Normal Defibrillators can be analyzed by using the 610- Paddle adapter with Delta 1500

Test Automatic Defibrillators

YES

YES

YES

YES

Mono phasic and Bi –phasic Defibrillators

YES

YES

YES

YES

Transcutaneous / Transthoracic Pacemakers

YES

YES

NA

NA

Transvenous / A-V Pacers 

YES

NA

NA

NA

ECG Simulation

YES through paddles and patient leads

YES through paddles and patient leads

YES through paddles and patient leads

YES – but not through patient leads or paddles

Arrhythmia Simulation

YES all arrhythmia’s

YES all arrhythmia’s

YES all arrhythmia’s

Only VFIB, VTAC 

Display

4 line LCD display

4 line LCD display

4 line LCD display

4 digit LCD display

Measurement (Load)

Energy Measurement

Pacer measurement

50 ohm +/- 1%  -Defibrillator

Variable load 100-1000

Thranscutanious

50 ohm +/- 1% - Defibrillator

Variable load 100-1000

Thranscutanious

50 ohm +/- 1%

50 ohm +/- 1%

Energy Range High

900 Joules, Resolution of 1 joule

900 Joules, Resolution of 1 joule

500 Joules, Resolution of 1 joule

700 Joules, Resolution of 1 joule

Energy Range Low

1-100 Joules, Resolution of 0.1 Joule

1-100 Joules, Resolution of 0.1 Joule

1-100 Joules, Resolution of 0.1 Joule

1-100 Joules, Resolution of 0.1 Joule

Accuracy 

+/- 2%, +/- 1 Joule for high range and +/- 0.5 Joule for low range

+/- 2%, +/- 1 Joule for high range and +/- 0.5 Joule for low range

+/- 2%, +/- 1 Joule for high range and +/- 0.5 Joule for low range

+/- 2 %, +/- 1 Joule

Accuracy 

+/- 2%, +/- 1 Joule for high range and +/- 0.5 Joule for low range

+/- 2%, +/- 1 Joule for high range and +/- 0.5 Joule for low range

+/- 2%, +/- 1 Joule for high range and +/- 0.5 Joule for low range

+/- 2 %, +/- 1 Joule

Output to PC/Printer

Yes via RS 232

Yes via RS 232

Yes via RS 232

NA

Accessories Included

All Accessories included -AC Adapter, Carrying Case, Paddle Adapter, Pacer test Cable, BananaPlug, ECG Snap adapter

All Accessories included -AC Adapter, Carrying Case, Paddle Adapter, Pacer test Cable, BananaPlug, ECG Snap adapter

Included the following

AC Adapter, Carrying Case, Paddle Adapter, BananaPlug, ECG Snap adapter

Carrying case

AED interface Cable –open ended Included.

Paddle Adapter

PN 610 is optional for testing regular Defibs.

Best Value

Under $4100

Under $3200

Under $2100

Under $1000

The pdf version of the comaprison table can be down loaded from the Defibrillator analyzer Product Page.

What is the difference between the Delta 2000 and the Delta 3000A
 
The Delta 2000 defibrillator analyzer can test the full function of all biphasic Defibrillators. It measures energy, cadioversion time. Delta 3000A defibrillator analyzer not only tests all functions of biphasic and monophonic defibrillators as well as the transthoracic Pacing functions such as pulse rate and amplitude (current). The Delta 3000A will test all the functions associated with Emergency Defibrillators including Automatic Mode and Pacer Mode. The built-in ECG simulator is ideal for testing the functions of mo
nitors. Delta 3000A
What is cardio version?

Electrical cardio-version is a procedure whereby a synchronized (perfectly timed on the rising edge of the Q wave of the ECG) electrical shock is delivered through the chest wall to the heart through special electrodes or paddles that are applied to the skin of the chest and back. Cardio version measurement is in in milliseconds. Positive reading indicates it is on the rising edge of the Q wave. Negative reading indicates it is fired on the falling edge of the Q wave. The goal of the cardio-version is to disrupt the abnormal electrical circuit's) in the heart and to restore a normal heart beat. The shock causes all the heart cells to contract simultaneously, thereby interrupting and terminating the abnormal electrical rhythm (typically fibrillation of the atria) without damaging the heart. This split second interruption of the abnormal beat allows the heart's electrical system to regain control and restore a normal heartbeat. 

Pressure Meters

How to convert Pressure from PSI to other units
Here is the Pressure Conversion Table - PSI - mbar - inHg - mH2O - inH2O      
1.00 psi  68.95 mbar inHg  0.70 mH2O  27.68 inH2O 
2.00 psi  137.90 mbar inHg  1.41 mH2O  55.36 inH2O 
3.00 psi  206.80 mbar inHg  2.11 mH2O  83.04 inH2O 
4.00 psi  275.80 mbar inHg  2.81 mH2O  110.72 inH2O 
5.00 psi  344.70 mbar inHg  3.52 mH2O  138.40 inH2O 
6.00 psi  413.70 mbar inHg  4.22 mH2O  166.08 inH2O 
7.00 psi  482.60 mbar inHg  4.92 mH2O  193.76 inH2O 
8.00 psi  551.60 mbar inHg  5.62 mH2O  221.44 inH2O 
9.00 psi  620.50 mbar inHg  6.33 mH2O  249.12 inH2O 
10.00 psi  689.50 mbar inHg  7.03 mH2O  276.80 inH2O 
11.00 psi  758.40 mbar inHg  7.73 mH2O  304.48 inH2O 
12.00 psi  827.40 mbar inHg  8.44 mH2O  332.16 inH2O 
13.00 psi  896.30 mbar inHg  9.14 mH2O  359.84 inH2O 
14.00 psi  965.30 mbar inHg  9.84 mH2O  387.52 inH2O 
15.00 psi  1034.00 mbar  inHg  10.55 mH2O  415.20 inH2O 
16.00 psi  1103.00 mbar inHg  11.25 mH2O  442.88 inH2O 
17.00 psi  1172.00 mbar inHg  11.95 mH2O  470.56 inH2O 
18.00 psi  1241.00 mbar inHg  12.66 mH2O  498.24 inH2O 
19.00 psi  1310.00 mbar inHg  13.36 mH2O  525.92 inH2O 
20.00 psi  1379.00 mbar inHg  14.06 mH2O  553.60 inH2O 
21.00 psi  1448.00 mbar inHg  14.76 mH2O  581.28 inH2O 
22.00 psi  1517.00 mbar inHg  15.47 mH2O  608.96 inH2O 
23.00 psi  1586.00 mbar inHg  16.17 mH2O  636.64 inH2O 
24.00 psi  1655.00 mbar inHg  16.87 mH2O  664.32 inH2O 
25.00 psi  1724.00 mbar inHg  17.58 mH2O  692.00 inH2O 
30.00 psi  2068.00 mbar inHg  21.09 mH2O  69.20 ftH2O 
35.00 psi  2.41 bar  inHg  24.61 mH2O  80.73 ftH2O 
40.00 psi  2.76 bar  inHg  28.12 mH2O  92.27 ftH2O 
45.00 psi  3.10 bar  inHg  31.64 mH2O  103.80 ftH2O 
50.00 psi  3.45 bar  inHg  35.15 mH2O  115.30 ftH2O 
55.00 psi  3.79 bar  inHg  38.67 mH2O  126.90 ftH2O 
60.00 psi  4.14 bar  inHg  42.18 mH2O  138.40 ftH2O 
65.00 psi  4.48 bar  inHg  45.70 mH2O  149.90 ftH2O 
70.00 psi  4.83 bar  inHg  49.21 mH2O  161.50 ftH2O 
75.00 psi  5.17 bar  inHg  52.73 mH2O  173.00 ftH2O 
80.00 psi  5.52 bar  inHg  56.25 mH2O  184.50 ftH2O 
85.00 psi  5.86 bar  inHg  59.76 mH2O  196.10 ftH2O 
90.00 psi  6.21 bar  inHg  63.28 mH2O  207.60 ftH2O 
95.00 psi  6.55 bar  inHg  66.79 mH2O  219.10 ftH2O 
100.00 psi  6.89 bar  inHg  70.31 mH2O  230.70 ftH2O 
110.00 psi  7.58 bar  inHg  77.34 mH2O  253.70 ftH2O 
120.00 psi  8.27 bar  inHg  84.37 mH2O  276.80 ftH2O 
130.00 psi  8.96 bar  inHg  91.40 mH2O  299.90 ftH2O 
140.00 psi  9.65 bar  inHg  98.43 mH2O  322.90 ftH2O 
150.00 psi  10.34 bar  inHg  105.50 mH2O  346.00 ftH2O 
160.00 psi  11.03 bar  inHg  112.50 mH2O  369.10 ftH2O 
170.00 psi  11.72 bar  inHg  119.50 mH2O  392.10 ftH2O 
180.00 psi  12.41 bar  inHg  126.60 mH2O  415.20 ftH2O 
190.00 psi  13.10 bar  inHg  133.60 mH2O  438.30 ftH2O 
200.00 psi  13.79 bar  inHg  140.60 mH2O  461.30 ftH2O 
210.00 psi  14.48 bar  inHg  147.60 mH2O  484.40 ftH2O 
220.00 psi  15.17 bar  inHg  154.70 mH2O  507.50 ftH2O 
230.00 psi  15.86 bar  inHg  161.70 mH2O  530.50 ftH2O 
240.00 psi  16.55 bar  inHg  168.70 mH2O  553.60 ftH2O 
250.00 psi  17.24 bar  inHg  175.80 mH2O  576.70 ftH2O 
275.00 psi  18.96 bar  inHg  193.30 mH2O  634.30 ftH2O 
300.00 psi  20.68 bar  inHg  210.90 mH2O  692.00 ftH2O 
325.00 psi  22.41 bar  inHg  228.50 mH2O  749.70 ftH2O 
350.00 psi  24.13 bar  inHg  246.10 mH2O  807.30 ftH2O 
375.00 psi  25.86 bar  inHg  263.70 mH2O  865.00 ftH2O 
400.00 psi  27.58 bar  inHg  281.20 mH2O  922.70 ftH2O 
425.00 psi  29.30 bar  inHg  298.80 mH2O  980.30 ftH2O 
450.00 psi  31.03 bar  inHg  316.40 mH2O  1038.00 ftH2O 
475.00 psi  32.75 bar  inHg  334.00 mH2O  1096.00 ftH2O 
500.00 psi  34.47 bar  inHg  351.50 mH2O  1153.00 ftH2O 
550.00 psi  37.92 bar  inHg  386.70 mH2O  1269.00 ftH2O 
600.00 psi  41.37 bar  inHg  421.80 mH2O  1384.00 ftH2O 
650.00 psi  44.82 bar  inHg  457.00 mH2O  1499.00 ftH2O 
700.00 psi  48.26 bar  inHg  492.10 mH2O  1615.00 ftH2O 
750.00 psi  51.71 bar  inHg  527.30 mH2O  1730.00 ftH2O 
800.00 psi  55.16 bar  inHg  562.50 mH2O  1845.00 ftH2O 
850.00 psi  58.61 bar  inHg  597.60 mH2O  1961.00 ftH2O 
900.00 psi  62.05 bar  inHg  632.80 mH2O  2076.00 ftH2O 
950.00 psi  65.50 bar  inHg  667.90 mH2O  2191.00 ftH2O 
1000.00 psi  68.95 bar  inHg  703.10 mH2O  2307.00 ftH2O 
1500.00 psi  103.40 bar  inHg  1055.00 mH2O  3460.00 ftH2O 
2000.00 psi  137.90 bar  inHg  1406.00 mH2O  4613.00 ftH2O 
2500.00 psi  172.40 bar  inHg  1758.00 mH2O  5767.00 ftH2O 
3000.00 psi  206.80 bar  inHg  2109.00 mH2O  6920.00 ftH2O 
3500.00 psi  241.30 bar  inHg  2461.00 mH2O  8073.00 ftH2O 
4000.00 psi  275.80 bar  inHg  2812.00 mH2O  9227.00 ftH2O 
4500.00 psi  310.30 bar  inHg  3164.00 mH2O  10380.00 ftH2O 
5000.00 psi  344.70 bar  inHg  3515.00 mH2O  11533.00 ftH2O 
5500.00 psi  379.20 bar  inHg  3867.00 mH2O  12687.00 ftH2O 
6000.00 psi  413.70 bar  inHg  4218.00 mH2O  13840.00 ftH2O 
6500.00 psi  448.20 bar  inHg  4570.00 mH2O  14993.00 ftH2O 
7000.00 psi  482.60 bar  inHg  4921.00 mH2O  16147.00 ftH2O 
7500.00 psi  517.10 bar  inHg  5273.00 mH2O  17300.00 ftH2O 
8000.00 psi  551.60 bar  inHg  5625.00 mH2O  18453.00 ftH2O 
8500.00 psi  586.10 bar  inHg  5976.00 mH2O  19607.00 ftH2O 
9000.00 psi  620.50 bar  inHg  6328.00 mH2O  20760.00 ftH2O 
9500.00 psi  655.00 bar  inHg  6679.00 mH2O  21913.00 ftH2O 
10000.00 psi  689.50 bar  inHg  7031.00 mH2O  23067.00 ftH2O 
10500.00 psi  723.90 bar  inHg  7382.00 mH2O  24220.00 ftH2O 
11000.00 psi  758.40 bar  inHg  7734.00 mH2O  25373.00 ftH2O 
11500.00 psi  792.90 bar  inHg  8085.00 mH2O  26527.00 ftH2O 
12000.00 psi  827.40 bar  inHg  8437.00 mH2O  27680.00 ftH2O 
12500.00 psi  861.80 bar  inHg  8788.00 mH2O  28833.00 ftH2O 
13000.00 psi  896.30 bar  inHg  9140.00 mH2O  29987.00 ftH2O 
13500.00 psi  930.80 bar  inHg  9491.00 mH2O  31140.00 ftH2O 
14000.00 psi  965.30 bar  inHg  9843.00 mH2O  32293.00 ftH2O 
14500.00 psi  999.70 bar  inHg  10195.00 mH2O  33447.00 ftH2O 
15000.00 psi  1034.00 bar  inHg  10546.00 mH2O  34600.00 ftH2O