TECHNICAL
SPECIFICATION:
Lead
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Standard 12 leads
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Input circuit
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Floating; defibrillation protector; pace-making
pulse inhibitor
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Input impedance
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≥1.25M Ω
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Input circuit current
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≤ 50 n A (≤0.1µA)
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Patient current leakage
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＜ 10µA
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Calibration voltage
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1mV ±3%
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Lead change
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Automatic / manual,6 channel ,and 12 channel
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Neutral value + rhythm lead
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Sensitivity
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5mm/mV, 10mm/mV, 20mm/mV
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Filter
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AC: 50Hz – 20dB; EMG: 35~45Hz, 3dB
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Skin voltage tolerance
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±300mV
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CMRR
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≥60dB, ≥100dB (AC filter in use)
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Calibration voltage
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1mV±3%
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Time constant
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3.2s(0,+20%)
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Baseline control
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Automatic adjustment
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Recording mode
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Automatic recording : recording to set
print format
Automatic
lead change
Measurement
and interpretation
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Automatic recording : record according
to set print format
Manual lead
change
No
measurement and interpretation
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Thermo array printer
8 dot/mm (vertical)
32 dot/mm (horizontal, 25mm/s)
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Parameter measurement
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Ventricular rate, PR interval, QRS
duration, QT/QTC interval, P/QRS/T axis, RV3/SV1
amplitude
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Operating mode
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Automatic/ manual operating; lead hold
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Frequency response
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0.05-100Hz (-3dB)
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Paper speed
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25, 50mm/s ±3%
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Paper size
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210mm x 30m/210mm x 20m, roll type
210mm x 140m/210mm x 20m, zip fold
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Acquisition mode
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1,25mms; 12 leads simultaneously
acquisition
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A/D conversion
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12bit
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ECG display
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LCD display matrix of 320 x 240
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ECG interpretation
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Automatic
measurement and/or interpretation of ECG trace (option)
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External DC input
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10mm/V±5%; single ended; ≥100k Ω
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ECG output
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0.5V/mV ± 5%; single ended; ≤100Ω
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Safety standard
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GB9706, 1-1995; Class I, type CF
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Noise level
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＞15µVp-p
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Threshold
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≤20µV
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Power requirement
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AC : 220V ±10% 50 ~60Hz
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Battery
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Built in rechargeable battery (sealed)
14.4V, 1.6Ah
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Supporting 50 exams
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Dimension
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400 x 325 x 84.5mm (machine)
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Weight
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5.5kg (including battery pack)
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