User Manual
1
Chapter 1 Main Technical Specification
1.1 Normal work environment
Operation
a) Environment temperature: +5℃ ~ +35℃
b) Relative humidity: ≤80%
c) Power supply: AC:100-240V, 50/60Hz
DC: 7.4V, 3700 mAh rechargeable lithium battery
d) Atmospheric pressure: 860hPa~1060hPa
Store and Transportation
a) Environment temperature: -40℃~55℃
b) Relative humidity: ≤95%
c) Atmospheric pressure: 500hPa~1060hPa
1.2 Input way: Floating and defibrillation protection
1.3 Lead: Standard 12 leads
1.4 Patient leak current: <10µA
1.5 Input impedance: ≥50MΩ
1.6 Frequency response: 0.05Hz~150Hz(-3dB~dB)
1.7 Time constant: Time constant>3.2s
1.8 CMRR: >60dB, >100dB( With AC filter)
1.9 EMG interference filter: 25/35Hz(-3dB)
1.10 Recording way: Thermal printing system
1.11 Specification of recording paper: 80mm(W)*20m(L) High-speed thermal paper
1.12 Paper speed:
Auto-record:25mm/s,50mm/s,error: ±5%
Rhythm record:25mm/s,50mm/s,error: ±5%
Manual-record:5mm/s,6.25mm/s,10mm/s,12.5mm/s,25mm/s,50mm/s,error:±5%
1.13 Sensitivity choice: 2.5/5/10/20/40mm/mV, error:±5%.Standard sensitivity
is10mm/mV±0.2mm/mV
1.14 Auto-record: record following the record format and auto-mode, auto leads-changing, auto
measurement and analyse.
1.15 Rhythm record: record following the rhythm format and rhythm mode, auto measurement
and analyse.
1.16 Manual record: record following the record format, manual leads-changing.
1.17 Measurement parameters: HR, P-R interval, P Duration, QRS Duration, T Duration, Q-T
interval, Q-Tc, P Axis, QRS Axis, T Axis, R(V5), S(V1), R(V5)+S(V1)
1.18 Product safety type: Class I, Type CF, there is defibrillation and pacing protection circuit.
1.19 Enduring polarization voltage:±300mV
1.20 Noise level: ≤15µVp-p
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