1
Chapter1 Main Technical Specifications
1.1 Environment conditions
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: 86kPa~106kPa
Transportation and Storage
a) Environment temperature: -10℃~55℃
b) Relative humidity: ≤95%
c) Atmospheric pressure: 50kPa~106kPa
1.2 Input way: Floating and defibrillation protection
1.3 Lead: Standard 12 leads
1.4 Patient leak current: <10µA
1.5 Input impedance: ≥5MΩ
1.6 Frequency response: 1Hz~75Hz
dB
dB
4
.
0
0
.
3
150Hz
~
0.05Hz
1.7 Time constant: Time constant>3.2s
1.8 CMRR:
>
60dB
1.9 EMG interference filter: 25/35Hz(-3dB)
1.10 Recording way: Thermal array 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 selections: 2.5,5,10,20,40mm/mV, 5 options ,error:±5%. Standard sensitivity is
10mm/mV±0.2mm/mV .
1.14 Auto record: Record setup according to record format and auto mode, automatically changing
leads, measuring and analysing.
1.15 Manual record: Record setup according to record format, manually changing leads.
1.16 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)
1.17 Product safety type: Class I, Type CF defibrillation proof applied part.