Zoom Model 27 Manual del operador Pagina 45

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Table 9. PRM Nominal Specications (continued)
Characteristic
Nominal
Transport and storage humidity
25% to 95%
Operating altitude
2000 m
Transport and storage atmospheric
pressure
50 kPa to 106 kPa (7.252 psi to 15.374
psi)
External printer support DB 25 parallel port connector
External VG A monitor support DB 15 VGA port con nector
Analog output ± 1 V output via seven -pin DIN connector
Battery type DL 2450 or equivalent
ECG cable 3.9 m to 4.3 m (12.7 ft to 14.0 ft)
ECG performance
Minimum amplitude detected 4.56 µV
Lead selection I, II, III, aVR, aVL, aVF, V
Intrinsic ventricular rate displ
ay
30 bpm to 120 bpm ± 4 bpm on a
three-beat average basis; 120 bp m
to 240 b pm ± 8 bpm on a three-beat
average basis
Input impedance
>2.5M
Electrode offset to lerance
300 m V
Storage resolution 800 samples/sec, 4.56 µV
Filter settings
ON: 0.5 Hz to 25 Hz, ± 0.2 dB, with 5
0
and 60 Hz notch lters;
OFF:0.5Hzto70Hz,±0.2dB,at
response, without 50 and 60 Hz no
tch
lters; 0.05 Hz to 100 Hz, + 0.2 d
B/-3.0
dB, without 5 0 and 60 Hz notch l
ters
Gain settings 1, 2 , 5, 10, 20 mm/mV ± 25%
Wanded telemetry
Frequency band Transmit: 50 kHz
Receive: 0–100 kHz
Bandwidth 100 kHz
Modulation
OOK
Effective radiated power -1.2 dBµV/m
ZIP telemetry (ISM)
Frequency band
ISM (902 to 928 MHz)
41
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