METRON QA-45 - Transcutaneous Pacemaker Analyzer Technical Specifications

1.3 Transcutaneous PPace-
maker Analyzer Specifications
1. TEST LOAD RANGE
50 to 2300 ohms in step of:
50 ohm up to 200 ohms
100 ohm from 200 up to 2300 ohms
Accuracy
50 - 1300 ohm ±1%
1400 - 2300 ohm ±1.5 %
Oscilloscope Output
50 - 150 ohm 10.24:1 amplitude attenuation
200 - 500 ohm 41:1 amplitude attenuation
600 - 2300 ohm 164:1 amplitude attenuation
2. PULSE MEASUREMENTS
Amplitude 4 to 300 mA (100 ohm load)
Accuracy
±5 % or ±0.5 mA
Max. Amplitude 300 mA all loads
Rate 30 to 800 ppm
Accuracy
±1% or 2 ppm
Pulse width 0.6 to 80 ms
Accuracy
±1% or ±0.3 ms
3. DEMAND SENSITIVITY TEST
Waveforms Square(SQR), Triangle(TRI), and Havemine
(SSQ)
ECG output Amplitude 0 - 4 mV
Resolution 40 µV
Pacer input (Load depended)
Amplitude (50 ohm) 0 10 mV
Resolution (50 ohm)
40 µV
Amplitude: (≥500 ohm) 0 - 100 mV
Resolution: (≥500 ohm) 1 mV
Defib. Pads Amplitude 0 10 mV
Resolution 0.1 mV
Waveform width 10, 25, 40, 100 and 200 ms
Pacer rate 30 to 120 ppm
Immunity Test
50/60 Hz Interference Signal
ECG output 0 - 4 mV peak in steps of 0.4 mV
Pacer input (Load dependent)
0 - 10 mV peak in steps of 1 mV (50 ohm)
0 - 100 mV peak in steps of 10 mV (≥500
ohm)
Defibrillator pads 0 - 10 mV peak in steps of 1 mV
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